Thumbnails

#!/bin/sh
# For every .jpg in a directory, create a thumbnail (smaller) image at 280 pixels high (or comment out, uncomment similar line, for width):
# Resize to 280 pixels height.
for file in *.jpg; do convert -resize x280 "$file" "t$file"; done
# Resize to 280 pixels width.
#for file in *.jpg; do convert -resize 280 "$file" "t$file"; done