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Replace ACDC to AC-DC

For example we have these files

ACDC - Rock N' Roll Ain't Noise Pollution.xxx

ACDC - Rocker.xxx

ACDC - Shoot To Thrill.xxx

I want them to become:

AC-DC - Rock N' Roll Ain't Noise Pollution.xxx

AC-DC - Rocker.xxx

AC-DC - Shoot To Thrill.xxx

I know that sed or awk is used for this operation. I can't google anything so I'm asking for your help =) Could you please provide full working shell command for this task?

Feedback: Solution for OSX users

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1  
I sense there is a larger question here - are you trying to fix up mp3 filenames in general? There are a number of scripts people have written over the years to do this. I think one I've used was called mp3fixer. –  Phil Hollenback Jan 30 '11 at 8:34
    
no it's not about mp3's I just have to manage some huge files with similar names, and something everything must be replaced or fixed... common situation so I need this nifty solution for renaming all of them –  holms Jan 30 '11 at 14:36

6 Answers 6

up vote 6 down vote accepted
rename 's/ACDC/AC-DC/' *.xxx

from man rename

DESCRIPTION
       "rename" renames the filenames supplied according to the rule specified as the 
first argument.  The perlexpr argument is a Perl expression which is expected to modify the 
$_ string in Perl for at least some of the filenames specified.  If a given filename is not 
modified by the expression, it will not be renamed.  If no filenames are given on
           the command line, filenames will be read via standard input.

For example, to rename all files matching "*.bak" to strip the extension, you might say

rename 's/\.bak$//' *.bak

To translate uppercase names to lower, you'd use

rename 'y/A-Z/a-z/' *
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1  
Note that many linux machines come with rename from util-linux, which implements simple substitution, not regexes. So if rename fails silently without doing anything, you're probably using the wrong rename. –  Phil Hollenback Jan 30 '11 at 8:31
    
I was searching this for ages! thnx! –  holms Jan 30 '11 at 14:39

Using the bash shell

find . -type f -name "ACDC*" -print0 | while read -d $'\0' f
do
   new=`echo "$f" | sed -e "s/ACDC/AC-DC/"`
   mv "$f" "$new"
done

Note: using find will process the current directory, and the directories under.

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This answer contains the good parts from all other answers, while leaving out such heresy as ls | while read.

Current directory:

for file in ACDC*.xxx; do
    mv "$file" "${file//ACDC/AC-DC}"
done

Including subdirectories:

find . -type f -name "ACDC*" -print0 | while read -r -d '' file; do
    mv "$file" "${file//ACDC/AC-DC}"
done

Newline characters are really unlikely to be in filenames, so this can be simpler while still working with names containing spaces:

find . -type f -name "ACDC*" | while read -r file; do
    mv "$file" "${file//ACDC/AC-DC}"
done
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To use the util-linux version of rename that Phil referred to (on Ubuntu, it's called rename.ul):

rename ACDC AC-DC ACDC*

or

rename.ul ACDC AC-DC ACDC*
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your variant is the best =) so many stupid articles in google about find and send and awk... to this simple operation for which renameutils egxist already! –  holms Jan 30 '11 at 15:23

Depends on your shell. In zsh, I'd do this:

for file in ACDC*.xxx; do
    mv "$file" "$(echo $file | sed -e 's/ACDC/AC-DC/')"
done

Probably not the best solution, but works.

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Using bash:

ls *.xxx | while read fn; do
    mv "${fn}" "${fn/ACDC/AC-DC}";
done

If you have the rename program installed:

rename 's/ACDC/AC-DC/' *.xxx
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