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#!/bin/sh
if [ -z "$3" ]; then
echo "Usage: imgres <option> <input> <output>"
echo "Available options: recipe, wallpaper, thumbnail"
exit
fi
option="$1"
input="$2"
output="$3"
case "$option" in
recipe)
convert "$input" \
-strip \
-interlace plane \
-define jpeg:dct-method=float \
-sampling-factor 4:2:0 \
-resize 1200x800 \
-quality 80 \
"$output"
;;
wallpaper)
convert "$input" -resize 2560x1440^ -quality 90 "$output"
;;
thumbnail)
convert "$input" -strip -interlace plane -resize 400x270 -quality 75 "$output"
;;
*)
echo "Invalid option \"$option\""
exit
;;
esac
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