149 lines
3.4 KiB
Bash
149 lines
3.4 KiB
Bash
#!/bin/bash
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#title :z2t
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#description :This script will convert all zips(of jpg/bmp/png) with any content struct to tars(of jpg). Use "convert" command to convert images to jpg to depress disk space. the origin file's content struct will not change.
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#author :xdtianyu@gmail.com
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#date :20141029
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#version :1.0 final
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#usage :bash z2t
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#bash_version :4.3.11(1)-release
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#==============================================================================
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if [ $1 = "-c" ]; then
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echo "cleaning..."
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if [ $2 = "-i" ]; then
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PARAM = "-i"
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fi
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cd tars
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for file in *.tar; do
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ZIP="${file%%.tar*}.zip"
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echo "check \"$ZIP\" ..."
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if [ -f "../$ZIP" ];then
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echo "delete $ZIP ..."
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rm $PARAM "../$ZIP"
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else
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echo "$ZIP not exist."
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fi
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done
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cd ..
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rm -r $PARAM tars
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exit 0
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fi
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check_sub(){
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echo "check sub."
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SAVEIFS=$IFS # setup this case the space char in file name.
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IFS=$(echo -en "\n\b")
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for subdir in $(find -maxdepth 1 -type d |grep ./ |cut -c 3-);
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do
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echo $subdir
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cd "$subdir"
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convert_to_jpg
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cd ..
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done
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IFS=$SAVEIFS
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}
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convert_to_jpg(){
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for ext in jpg JPG bmp BMP png PNG; do
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echo "ext is $ext"
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if [ ! $(find . -maxdepth 1 -name \*.$ext | wc -l) = 0 ];
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then
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x2jpg $ext
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fi
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done
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check_sub # check if has sub directory.
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}
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x2jpg(){
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if [ ! -d origin ];then
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mkdir origin
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fi
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if [ ! -d /tmp/jpg ]; then
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mkdir /tmp/jpg
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fi
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tmp_fifofile="/tmp/$$.fifo"
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mkfifo $tmp_fifofile # create a fifo type file.
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exec 6<>$tmp_fifofile # point fd6 to fifo file.
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rm $tmp_fifofile
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thread=10 # define numbers of threads.
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for ((i=0;i<$thread;i++));do
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echo
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done >&6 # actually only put $thread RETURNs to fd6.
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for file in ./*.$1;do
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read -u6
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{
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echo 'convert -quality 80' "$file" /tmp/jpg/"${file%.*}"'.jpg'
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convert -limit memory 64 -limit map 128 -quality 80 "$file" /tmp/jpg/"${file%.*}".jpg
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mv "$file" origin
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echo >&6
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} &
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done
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wait # wait for all child thread end.
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exec 6>&- # close fd6
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mv /tmp/jpg/* .
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rm -r origin
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echo 'DONE!'
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}
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for file in *.zip ; do
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tmpdir=$(mktemp -d)
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DIR="${file%%.zip*}"
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echo "unzip $file -d $tmpdir";
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unzip "$file" -d $tmpdir # unzip to a tmp directory.
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if [ $(ls $tmpdir | wc -l) = 1 ]; then # check if has folders, and mv the unziped directory as same name with the zip file.
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DIR2=$(ls $tmpdir)
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mv "$tmpdir/$DIR2" "$DIR"
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rmdir $tmpdir
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else
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mv $tmpdir "$DIR"
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fi
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echo $DIR
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if [ -d "$DIR" ];
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then
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cd "$DIR"
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convert_to_jpg # convert process.
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cd ..
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echo "tar cvf $DIR.tar $DIR"
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tar cvf "$DIR.tar" "$DIR" # tar the directory.
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rm -r "$DIR"
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else
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echo "$DIR not exist."
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fi
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done
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if [ ! -d "tars" ]; then
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mkdir tars
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fi
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if [ ! $(find . -maxdepth 1 -name \*.tar | wc -l) = 0 ];
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then
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mv *.tar tars
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fi
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# check status.
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for file in *.zip; do
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TAR="tars/${file%%.zip*}.tar"
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echo "check \"$TAR\" ..."
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if [ -f "$TAR" ];then
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echo "$file convert OK."
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cd tars
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md5sum "${file%%.zip*}.tar" > "${file%%.zip*}.md5" # generate md5 file.
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cd ..
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else
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echo "$file convert FAILED."
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fi
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done
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