Fixed a bug in the png_recompress.sh script

SVN-Revision: 5004

diff --git a/tools/png_recompress.sh b/tools/png_recompress.sh
index b38cb7d..f515536 100755 (executable)
--- a/tools/png_recompress.sh
+++ b/tools/png_recompress.sh
@@ -66,7 +66,7 @@ for image in "$@"; do
        echo -e "\e[1m$image\e[0m : $(du -b $image | awk '{print $1}')"
        newsize="$(pngcrush -reduce -brute -d "$TMPPATH" "$image" | grep -E "filesize reduction")"
        echo "$newsize"
-       if [[ $newsize =~ ".+reduction.+" ]]; then
+       if grep -q reduction <<< "$newsize"; then
                cp -v "${TMPPATH}/$fname" "$dname/$fname"
        else
                rm -v "${TMPPATH}/$fname"
@@ -83,7 +83,7 @@ for image in "$@"; do
        echo -e "\e[1m$image\e[0m : $(du -b $image | awk '{print $1}')"
        newsize="$(optipng -i 0 -o 7 -dir "$TMPPATH" "$image" | grep -E '^Output file size')"
        echo "$newsize"
-       if [[ $newsize =~ ".+decrease.+" ]]; then
+       if grep -q decrease <<< "$newsize"; then
                cp -v "${TMPPATH}/$fname" "$dname/$fname"
        else
                rm -v "${TMPPATH}/$fname"