ренейм кучи файлов в вид 001.мп3 002.мп3

#!/bin/sh
# this script wrote by Eddy 
#
#		batchrename - renames files like 01.ext, 02.ext ...
#
# Создан 17-го Июля 2003 года в 20:35
#   
#   format :  batchrename <list of files>
#        or:              -r <extension> <<list of files> or <dir>>
#   -r - recoursively
counter=0
extrec=""
if [ "$#" -lt "1" ]; then
    echo -e "\n\t\tUsage:\n\tbatchrename [opt]\nopt:"
    echo -e "-r <ext> <folder> (or file list) -- renames recoursively ALL files"
    echo -e "\tin folder <folder> (or by file list given)  with extension .<ext>"
    echo -e "<folder> -- renames ALL files in folder given"
    echo -e "<file list> -- renames ALL files of given filelist.\n\n"
    exit 0
fi
Name="$*"
if [ "$1" = "-r" ]; then
    extrec="$2"
    shift
    shift
    Name="$*"
    [ "$Name" = "" ] && Name="./"
fi
echo -e "\n\t\t\tRENAMING"

del_dup

for file in $Name
do
file=`echo "$file" | sed "s/<>/ /g"`
    if [ -d "$file" ];then
	echo -e "\nDiving into \033[38m $file \033[39m"
	cd "$file"
	if [ "$extrec" != "" ]; then
	    batchrename -r $extrec `ls -1 | sed "s/\ /<>/g"`
	else
	    batchrename `ls -1 | sed "s/\ /<>/g"`	
	fi
	cd ../
	continue
    fi
    ext=`ext "$file"`
    if [ "$ext" = "ion" ]; then
	continue
    fi
    if [ "$extrec" = "" -o "$ext" = "$extrec" ];then
        counter=`expr $counter + 1`
	echo -e "Progress: $counter files\r\c"
        mv "$file" "rnmd$counter.$ext"
    fi
done
echo -e "\n\n\t\t\tENDING"
digits=`echo $counter|awk '{print length ($0)}'`
cnt=1
while [ $digits -gt $cnt ]
do
    f=`ls -S -1|grep "rnmd[0-9]\{$cnt\}\."`
    rename rnmd rnmd0 $f
    cnt=`expr $cnt + 1`
done
if [ "$counter" -gt "0" ]; then
    rename rnmd "" rnmd*
fi
echo -e "\n\t\t\tDone !!!\n"

cnt=1
for i in `ls *.mp3`
do
u=`printf %03d $cnt`
cnt=`expr $cnt + 1`

cp $i $u.mp3
done

#!/bin/bash

pref=1000
for i in *.mp3
do
    (( pref++ ))
    mv "$i" "${pref:1}.mp3"
done

# aptitude install pyrenamer

echo {001..200} | tr ' ' \\n |                                                                                 
for i in `ls *.mp3`                                                                                            
do                                                                                                             
read u                                                                                                         
echo cp $i ${u}.mp3                                                                                            
done

seq -w 0 200 |                                                                                               
for i in `ls *.mp3`                                                                                            
do                                                                                                             
read u                                                                                                         
echo cp $i ${u}.mp3                                                                                            
done

your_sort input_list_of_mp3.txt | awk '{printf("mv \"%s\" %03d.mp3", $1,NR)}' | /bin/sh 

your_sort input_list_of_mp3.txt | awk '{printf("mv \"%s\" %03d.mp3\n", $1,NR)}' | /bin/sh