20 lines
462 B
Bash
Executable File
20 lines
462 B
Bash
Executable File
#!/usr/bin/env zsh
|
|
|
|
src="$1"
|
|
dst="$2"
|
|
|
|
sizeof() {
|
|
stat --format="%s" "$*"
|
|
}
|
|
|
|
amount=0.33
|
|
s1=$( echo "100 * $amount" | bc -l )
|
|
s2=$( echo "100 / $amount" | bc -l )
|
|
# convert "$src" -resize 800x800\> -scale $s1% -scale $s2% -quality 50 "$dst"
|
|
convert "$src" -resize 800x800\> -ordered-dither o8x8,6 -colors 15 -quality 50 "$dst"
|
|
|
|
before=$(sizeof $src)
|
|
after=$(sizeof $dst)
|
|
gain=$(( ( (before - after) * 100 ) / before ))
|
|
print -- "$before => $after [$gain%])"
|