optimize images

optimg.fish

#!/usr/bin/env fish

# use optipng to optimize png
if type -q optipng
    set pngs (command find . -name "*.png")
    for i in $pngs
        # echo $i
        optipng -strip all $i
    end
else
    echo "optipng is not installed yet"
end

# use jpegoptim to optimize jpeg
if type -q jpegoptim
    set jpegs (command find . -name "*.jpeg" -or -name "*.jpg")

    for i in $jpegs
        # echo $i
        jpegoptim -s $i
    end
else
    echo "jpegoptim is not installed yet"
end