#!/bin/bash
png=$1
+out=$2
+
steps=()
+src=${out}.src.png
+dst=${out}.dst.png
+
+copy=("${src}" "${dst}")
+
function step() {
"$@"
- mv -f {_,}_.png
- steps+=($(stat -f "%z" _.png))
+ mv -f "${dst}" "${src}"
+ steps+=($(stat -f "%z" "${src}"))
}
pngcrush=/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/pngcrush
-grep CgBI "${png}" &>/dev/null && exit 0
+if grep CgBI "${png}" &>/dev/null; then
+ if [[ ${png} != ${out} ]]; then
+ cp -a "${png}" "${out}"
+ fi
+
+ exit 0
+fi
-step cp -fa "${png}" __.png
+step cp -fa "${png}" "${dst}"
-#step "${pngcrush}" -q -rem alla -reduce -brute -iphone {,_}_.png
+#step "${pngcrush}" -q -rem alla -reduce -brute -iphone "${copy[@]}"
-#step "${pngcrush}" -q -rem alla -reduce -brute {,_}_.png
-#step pincrush {,_}_.png
+#step "${pngcrush}" -q -rem alla -reduce -brute "${copy[@]}"
+#step pincrush "${copy[@]}"
-step "${pngcrush}" -q -rem alla -reduce -iphone {,_}_.png
+step "${pngcrush}" -q -rem alla -reduce -iphone "${copy[@]}"
#"${pngcrush}" -q -rem alla -reduce -brute -iphone "${png}" 1.png
#"${pngcrush}" -q -iphone _.png 2.png
#ls -la 1.png 2.png
-mv -f _.png "${png}"
+mv -f "${src}" "${out}"
echo -n "${png##*/} "
for ((i = 0; i != ${#steps[@]}; ++i)); do