Wallpaper cache updater

rebuild_res.sh

#!/bin/zsh

size="$1"
input="../wallpapers/"
output="./wallpapers_$size/"

mkdir -p $output

walls_count=$(ls -1 $input | wc -l)
count=0

for wall in $input/*; do
    (( count = $count + 1 ))

    in_path="$input$(basename $wall)"
    out_path="$output$(basename $wall)"

    id=$(identify "$in_path" 2>>./identify_error)

    echo -n "\r\033[Kresize[$count/$walls_count] $wall: "

    if [ -f $out_path ]; then
        echo -n "already exists"
        continue
    fi

    id_geo=$(echo $id | sed 's/.\+ \([0-9]\+\)x\([0-9]\+\) .\+/\1 \2/')
    set -- $id_geo
    id_size=(${=id_geo})
    size_x=$id_size[1]
    size_y=$id_size[2]

    echo "${size_x}x${size_y} -> $size";
    convert "$in_path" -strip -resize ${size}\> "$out_path"
done


echo "\r\033[Kdone resizing; removing deleted items"

walls_count=$(ls -1 $output | wc -l)
count=0

for wall in $output/*; do
    (( count = $count + 1 ))

    in_path="$input$(basename $wall)"
    out_path="$output$(basename $wall)"

    echo -n "\r\033[Kclear[$count/$walls_count] $wall: "

    if [ -f $in_path ]; then
        echo -n "exists"
        continue
    fi

    echo "deleted";
    rm -- "$out_path"
done

echo "\r\033[Kdone"