Linux 下文件名大小写转换

#!/bin/sh ############################################################ # this script will change file name recursively with option # -u: locase to upcase # -l: upcase to locase ############################################################ hint () { echo " Usage: $0 [-l|-u] DIR1 [DIR2 DIR3...] -l to lowcase -u to upcase" exit 1 } if test $# -lt 2; then echo "Too few arguments." hint fi while [ "$1" ]; do case $1 in -l) ACTION="lo" shift 1 ;; -u) ACTION="up" shift 1 ;; *) if test -d $1; then DIR="$DIR $1" else echo "no such directory --- $1" hint fi shift ;; esac done # echo $ACTION # echo $DIR FOUND=`find $DIR | sort -r` for i in $FOUND; do DN=`dirname $i` BS=`basename $i` loBS=`echo $BS | tr '[A-Z]' '[a-z]'` upBS=`echo $BS | tr '[a-z]' '[A-Z]'` NAME1=$DN/$BS if [ "$ACTION" = "lo" ]; then NAME2=$DN/$loBS elif [ "$ACTION" = "up" ]; then NAME2=$DN/$upBS fi if [ "$NAME1" = "$NAME2" ]; then echo "****: $NAME1 ---x--- $NAME2 identical!" else echo "- renaming $NAME1 --> $NAME2" mv $NAME1 $NAME2 fi done