[NTLUG:Discuss] batch file rename

[Bobby Wrenn]

I took out the extra "sed" and escaped the "+". No error but the script 
just executes and never exits. Nothing happens.

No on line examples that I found addressed this kind of transposition in 
the file name. Any other ideas, anyone?

Bobby



On 09/09/2014 11:17 AM, Dennis Kaptain wrote:
>
> Looking more at the big picture, I don't see how you are renaming the files.
> Try something like this
>
> for FILE in `ls -1 *.mp3`
> do
> NEWNAME=`sed sed s/CCC-\([0-9]+\)-\([0-9]+\)-\([0-9]+\).mp3/\3\1\2\.mp3/`
> mv $FILE $NEWNAME
> done
>
>
> El Martes, 9 de septiembre, 2014 8:18:25, Robinson Tryon <bishop.robinson at gmail.com> escribió:
>   
>
>>
>> On Mon, Sep 8, 2014 at 7:09 PM, Bobby Wrenn <bobby at wrennest.com> wrote:
>>> It's been a while since I have fiddled with regular expressions and I need a
>>> little help.
>>>
>>> I have a single directory with many files with names in the format
>>> "CCC-01-10-2012.mp3". In need to rename each file into the format
>>> "20120110.mp3".
>>> I tried;
>>> ls *mp3 | sed s/CCC-\([0-9]+\)-\([0-9]+\)-\([0-9]+\).mp3/\3\1\2\.mp3/ | sh
>>> but that returns "not found" for each entry.
>>>
>>> What am I missing?
>> IIRC you need to escape the plus sign as \+, at least in the GNU sed.
>> Also, I'm not sure that piping the output to sh is going to have the
>> desired effect.
>>
>> Here are some useful examples/notes:
>> https://stackoverflow.com/questions/17137566/rename-multiple-files-with-sed
>> https://stackoverflow.com/questions/2372719/using-sed-to-mass-rename-files/2372739#2372739
>>
>> HTH,
>> --R
>>
>> -- 
>> Robinson Tryon
>> QA Engineer - The Document Foundation
>> LibreOffice Community Outreach Herald
>> qubit at libreoffice.org
>>
>>
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>>
>>
>>
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