Bash script deleting my files, and editing files in subdirectories question Post: 302886812

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Top Forums Shell Programming and Scripting Bash script deleting my files, and editing files in subdirectories question Post 302886812 by neutronscott on Monday 3rd of February 2014 06:58:27 PM

02-03-2014

Registered User

This would take some work to keep them in subdirs. I see you already use the globstar ./** for recursion but didn't include the shopt -s globstar
This is bash4 feature, so let's write bash code and use all of it's nice features:

Code:

#!/bin/bash

(( $# == 2 )) || {
        printf 'Usage: %s <prefix> <ext>\n' "$0"
        exit 1
}

prefix=$1
type=$2
number=1
shopt -s globstar

for file in ./**; do
        [ -f "$file" ] || continue # only "regular" files

        printf -v new '%s%03d.%s' "$prefix" $((number++)) "$type"

        # skip to next file if name conflict
        [ -f "$new" ] && continue
        [ -x "$file" ] && continue

        mv "$file" "$new"
        echo "$file -> $new"

done

Code:

mute@thedoctor:~/temp/TheGreatGizmo$ touch IMG_{0000..0005}.jpg more/IMG_{000..0005}.jpg
mute@thedoctor:~/temp/TheGreatGizmo$ ls
IMG_0000.jpg  IMG_0001.jpg  IMG_0002.jpg  IMG_0003.jpg  IMG_0004.jpg  IMG_0005.jpg  more  script
mute@thedoctor:~/temp/TheGreatGizmo$ ./script
Usage: ./script <prefix> <ext>
mute@thedoctor:~/temp/TheGreatGizmo$ ./script file jpg
./IMG_0000.jpg -> file001.jpg
./IMG_0001.jpg -> file002.jpg
./IMG_0002.jpg -> file003.jpg
./IMG_0003.jpg -> file004.jpg
./IMG_0004.jpg -> file005.jpg
./IMG_0005.jpg -> file006.jpg
./more/IMG_0000.jpg -> file007.jpg
./more/IMG_0001.jpg -> file008.jpg
./more/IMG_0002.jpg -> file009.jpg
./more/IMG_0003.jpg -> file010.jpg
./more/IMG_0004.jpg -> file011.jpg
./more/IMG_0005.jpg -> file012.jpg
mute@thedoctor:~/temp/TheGreatGizmo$ ls .
file001.jpg  file003.jpg  file005.jpg  file007.jpg  file009.jpg  file011.jpg  more
file002.jpg  file004.jpg  file006.jpg  file008.jpg  file010.jpg  file012.jpg  script

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LEARN ABOUT DEBIAN

mrename

MRENAME(1)						      General Commands Manual							MRENAME(1)

NAME

       mrename - program to rename files

SYNOPSIS

       mrename 'pattern' prefix [option]

DESCRIPTION

       This  manual  page  documents  briefly the mrename command.  This manual page was written for the Debian GNU/Linux distribution because the
       original program does not have a manual page.

       mrename is a tool for easy and automatic renaming of many files.  The 'pattern' is the pattern to search files to rename (quoted  to  avoid
       that  bash  resolve  it),  and prefix is the prefix that will be added to the name of each file. The two alternative options for copying or
       moving files in the new name are explained below.  All parameters are needed, and you have to stay and launch the script in the same direc-
       tory of the files to be renamed. The program should be able to write in this directory.

OPTIONS

       There are only the following three options.

       -c     The option -c will copy each file with the new filename.

       -m     The option -m will move each file in the new filename.

       -h     Display help.

EXAMPLE

       If  you	have  a  directory  with two jpeg images prof.jpg and forp.jpg and you want to add them a prefix like item0, item1 etc..  (that is
       item0prof.jpg, item1forp.jpg etc..) do this:

	  cd /path/to/the/images
	  mrename '*.jpg' item -c

       to copy each matching file into another with the new name

	  mrename '*.jpg' item -m

       to rename each file without keeping a copy with the previous name

Word-Wide-Web:
       http://alfalinux.sourceforge.net/mrename.php3

AUTHOR
:
       Giancarlo -rofus- Erra
       e-mail: rofus@mindless.com

       This manual page was written by Dr. Guenter Bechly <gbechly@debian.org>, for the Debian GNU/Linux system (but may be used by others). It is
       distributed under the GPL just like mrename itself.

								 October  22, 2000							MRENAME(1)