image-batch: Add task description.

image_batch/TASK.md

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+Given a set of png images, convert them to jpg using imagemagick.
+
+## Dry Run:
+* List all files in the directory to get their filenames. Save in a list or array.
+* Parse the filenames as strings, removing “.jpg”, to get the base filenames.
+* Loop through all filenames and print the new filenames to stdout (i.e. “basename.png”)
+
+## Loop of 1:
+* List only one file, by name, and save it to a list or array.
+* Loop through the one file and run the system command to convert it using imagemagick (using the old and new filenames as args).
+* Open the converted image and make sure it looks how you expected.
+
+## Final script:
+* List all files in the directory to get their filenames. Save in a list or array.
+* Parse the filenames as strings, removing “.jpg”, to get the base filenames.
+* Loop through all of the files and run the system command to convert it using imagemagick (using the old and new filenames as args).
+* List the directory to confirm the filenames and spot confirm images by opening.
+