shell实现把一个目录下的文件名字改为从某个数字开始的数字

lang110

#!/bin/bash
print_error_info(){
cat <<ERROR_EOF
error !
use option h to get help infomation
ERROR_EOF
}
st=0
while getopts "s:p:h" OPT
do
case $OPT in
s)
st=$OPTARG
;;
p)
path=$OPTARG
;;
h)
cat <<HELP_EOF
DESCRIPTION
This script changes the name of files under directory specified by option p to continuous number which starts from
a number specified by option s. The extension name of the file won't be changed
OPTIONS
-s
specify the initiating number
-p
specify the directory in which files that will be changed reside
-h
output this help document
HELP_EOF
exit 0
;;
esac
done
if [ -z "$path" ] ; then
print_error_info
exit 1
fi
cnt=0
find "$path" -maxdepth 1 -type f  | while read line
do
name=$(basename $line)
echo $line
if [ $(echo $name | awk '{ print match($0, "\."); }') -eq "0" ]; then
name="$cnt"
else
name="$cnt"."$(echo $name | awk -F . '{ print $NF }')"
fi
name="$(dirname $line)"/$name
mv $line $name
let "cnt=$cnt+1"
done

　　拍摄了大量的图片而不想给图片标上标题就可以用这个脚本来修改文件名了！