diff --git a/exercises/inputs/3_files_and_commands/A/image_tiling.json b/exercises/inputs/3_files_and_commands/A/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..79aa69fd29402843791548b58abb6a649fba4be9
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/A/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "A"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
diff --git a/exercises/inputs/3_files_and_commands/A/letter.png b/exercises/inputs/3_files_and_commands/A/letter.png
new file mode 100644
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diff --git a/exercises/inputs/3_files_and_commands/A/tile-3.png b/exercises/inputs/3_files_and_commands/A/tile-3.png
new file mode 100644
index 0000000000000000000000000000000000000000..8ac7064a672e9ad30f67ae552215d8734c7525ba
Binary files /dev/null and b/exercises/inputs/3_files_and_commands/A/tile-3.png differ
diff --git a/exercises/inputs/3_files_and_commands/C/image_tiling.json b/exercises/inputs/3_files_and_commands/C/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..887ba9e886d6b9777da9c7280fc6933e01351888
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/C/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "C"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
diff --git a/exercises/inputs/3_files_and_commands/C/letter.png b/exercises/inputs/3_files_and_commands/C/letter.png
new file mode 100644
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diff --git a/exercises/inputs/3_files_and_commands/C/tile-3.png b/exercises/inputs/3_files_and_commands/C/tile-3.png
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index 0000000000000000000000000000000000000000..7c08e5bb0b49ec01d7a729e23d4d64cfb0272b1f
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diff --git a/exercises/inputs/3_files_and_commands/D/image_tiling.json b/exercises/inputs/3_files_and_commands/D/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..c06720c918d7008024b98ab5ec696af69c9593da
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/D/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "D"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
diff --git a/exercises/inputs/3_files_and_commands/D/letter.png b/exercises/inputs/3_files_and_commands/D/letter.png
new file mode 100644
index 0000000000000000000000000000000000000000..2af5059a94849c05c91edb43b031cf768dbbe6b9
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diff --git a/exercises/inputs/3_files_and_commands/D/tile-3.png b/exercises/inputs/3_files_and_commands/D/tile-3.png
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diff --git a/exercises/inputs/3_files_and_commands/E/image_tiling.json b/exercises/inputs/3_files_and_commands/E/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..a1f0f311ef0c34b4e9de9a4efcfb536f2e0d8559
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/E/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "E"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
diff --git a/exercises/inputs/3_files_and_commands/E/letter.png b/exercises/inputs/3_files_and_commands/E/letter.png
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diff --git a/exercises/inputs/3_files_and_commands/H/image_tiling.json b/exercises/inputs/3_files_and_commands/H/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..3d1b54d25d672b847cc3feb80e3fbc907b11fe6c
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/H/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "H"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
diff --git a/exercises/inputs/3_files_and_commands/H/letter.png b/exercises/inputs/3_files_and_commands/H/letter.png
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Binary files /dev/null and b/exercises/inputs/3_files_and_commands/H/tile-3.png differ
diff --git a/exercises/inputs/3_files_and_commands/M/image_tiling.json b/exercises/inputs/3_files_and_commands/M/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..9df345626bd1bc2dfc472739daab8c413e993fcd
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/M/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "M"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
diff --git a/exercises/inputs/3_files_and_commands/M/letter.png b/exercises/inputs/3_files_and_commands/M/letter.png
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Binary files /dev/null and b/exercises/inputs/3_files_and_commands/M/tile-3.png differ
diff --git a/exercises/inputs/3_files_and_commands/N/image_tiling.json b/exercises/inputs/3_files_and_commands/N/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..c842b5ad134201ac7a9d0e61d45f3742e03f2dce
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/N/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "N"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom left"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-2.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
diff --git a/exercises/inputs/3_files_and_commands/N/letter.png b/exercises/inputs/3_files_and_commands/N/letter.png
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diff --git a/exercises/inputs/3_files_and_commands/O/image_tiling.json b/exercises/inputs/3_files_and_commands/O/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..bda0e93a65f7304828205ab97f94778e6f80d3f2
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/O/image_tiling.json
@@ -0,0 +1,111 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "O"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 1"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3]
+ },
+ "metadata": {}
+}
diff --git a/exercises/inputs/3_files_and_commands/O/letter.png b/exercises/inputs/3_files_and_commands/O/letter.png
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diff --git a/exercises/inputs/3_files_and_commands/O/tile-3.png b/exercises/inputs/3_files_and_commands/O/tile-3.png
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diff --git a/exercises/inputs/3_files_and_commands/S/image_tiling.json b/exercises/inputs/3_files_and_commands/S/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..72a4fafe55fa828ec349ce45eaafae0c952a374e
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/S/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "S"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom left"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-2.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
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diff --git a/exercises/inputs/3_files_and_commands/T/image_tiling.json b/exercises/inputs/3_files_and_commands/T/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..7b4b56cd4af912c20c2c462a0f2f4d189cb83394
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/T/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "T"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
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diff --git a/exercises/inputs/3_files_and_commands/U/image_tiling.json b/exercises/inputs/3_files_and_commands/U/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..1140bd97332cd978ddbcb93025ea2d333018b48a
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/U/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "U"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
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Binary files /dev/null and b/exercises/inputs/3_files_and_commands/U/tile-3.png differ
diff --git a/exercises/inputs/3_files_and_commands/V/image_tiling.json b/exercises/inputs/3_files_and_commands/V/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..8b9091c8e045be5d8cb21a450e388327b0e362f2
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/V/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "V"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
diff --git a/exercises/inputs/3_files_and_commands/V/letter.png b/exercises/inputs/3_files_and_commands/V/letter.png
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diff --git a/exercises/inputs/3_files_and_commands/W/image_tiling.json b/exercises/inputs/3_files_and_commands/W/image_tiling.json
new file mode 100644
index 0000000000000000000000000000000000000000..9057391440b305c9272b1482bda2dd81feee27a8
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/W/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "W"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
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new file mode 100644
index 0000000000000000000000000000000000000000..c6d9d6c06a0657ce14886dd4e4767972161c62f2
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/X/image_tiling.json
@@ -0,0 +1,111 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "X"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 1"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3]
+ },
+ "metadata": {}
+}
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--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/Y/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "Y"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom right"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom right": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-3.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
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index 0000000000000000000000000000000000000000..83619aaa88cf9ac7f08a18e42cbcaee96d749104
--- /dev/null
+++ b/exercises/inputs/3_files_and_commands/Z/image_tiling.json
@@ -0,0 +1,140 @@
+{
+ "name": "Image tiling",
+ "fws": [
+ {
+ "fw_id": 1,
+ "name": "Render an image from a character",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["character"],
+ "outputs": ["image"],
+ "command_spec": {
+ "command": [
+ "convert", "-size", "800x800",
+ "-background", "white",
+ "-pointsize", "800",
+ "-fill", "blue",
+ "-gravity", "Center",
+ "-trim"
+ ],
+ "character": {
+ "binding": {
+ "prefix": "caption",
+ "separator": ":"
+ },
+ "source": {
+ "type": "data",
+ "value": "Z"
+ }
+ },
+ "image": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/letter.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 2,
+ "name": "Tile the image into four tiles",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["image", "tiled image"],
+ "command_spec": {
+ "command": [
+ "convert",
+ "-crop", "2x2@"
+ ],
+ "image": {
+ "source": "image"
+ },
+ "tiled image": {
+ "source": {
+ "type": "data",
+ "value": "/tmp/tile.png"
+ }
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "fw_id": 3,
+ "name": "Rotate one tile 90 degrees clockwise",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["rotation angle", "piece 2"],
+ "outputs": ["top left"],
+ "command_spec": {
+ "command": ["convert", "-rotate"],
+ "rotation angle": {
+ "source": {
+ "type": "data",
+ "value": 90
+ }
+ },
+ "top left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-2.png"
+ }
+ },
+ "piece 2": {
+ "source": "piece 2"
+ }
+ }
+ }
+ ],
+ "piece 2": {
+ "type": "path",
+ "value": "/tmp/tile-0.png"
+ }
+ }
+ },
+ {
+ "fw_id": 4,
+ "name": "Flip another tile vertically",
+ "spec": {
+ "_tasks": [
+ {
+ "_fw_name": "CommandLineTask",
+ "inputs": ["piece 1"],
+ "outputs": ["bottom left"],
+ "command_spec": {
+ "command": ["convert", "-flip"],
+ "bottom left": {
+ "target": {
+ "type": "path",
+ "value": "/tmp/piece-1.png"
+ }
+ },
+ "piece 1": {
+ "source": "piece 1"
+ }
+ }
+ }
+ ],
+ "piece 1": {
+ "type": "path",
+ "value": "/tmp/tile-2.png"
+ }
+ }
+ }
+ ],
+ "links": {
+ "1": [2],
+ "2": [3, 4]
+ },
+ "metadata": {}
+}
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