合并多行空白

multiblank

#!/bin/sh
#author: God Tao
multi_blank() {
    for filename in `ls -A $1`
    do
        if [ -d "$1/$filename" ]
        then
            multi_blank "$1/$filename"
        else
            cat -s "$1/$filename" > "$1/$filename.cat"
            rm -f "$1/$filename"
            mv "$1/$filename.cat" "$1/$filename"
        fi
    done
}
multi_blank .