Cutting file names

Statix · 2008-08-09 06:23:20

I have a bunch of files named:

F4199_Otomo.ini
F2991_Dragon3E_F.dll
F4200_Shinja.ini
etc.

(Installing Battle Realms on wine )

I want to get rid of the prefix. How can I do this with a bash script?

Allan · 2008-08-09 06:36:11

This should help you: http://cyborg.lug.md/?p=25

Procyon · 2008-08-09 10:45:14

(EDIT: Ignore this entry, it's bad because of multiple underscore files. Don't use it. Doing this with mmv takes a lot of extra commands. Maybe mmv '?????_*' '#6' though, if the prefixes are all 5 characters.)

mmv '*_*' '#2'

Last edited by Procyon (2008-08-09 13:07:58)

dyscoria · 2008-08-09 11:21:39

Allen's link won't load for me, but this is how i'd do it:
http://wooledge.org:8000/BashFAQ#head-c … 682991cc58

for file in *
do
    mv "$file" "${file%.*}"
done

Last edited by dyscoria (2008-08-09 11:22:06)

Procyon · 2008-08-09 12:04:13

But then mv "$file" "${file#*_}", right?

Also for security add -b and -v to mv.

I think this is better than my approach because if there are two underscores then I don't really know what will happen, I think you'll end up with a file like F.dll instead of Dragon3E_F.dll

fukawi2 · 2008-08-09 12:10:00

To remove the prefix, you need something like:

for FNAME in $(ls) ; do
   mv $FNAME ${FNAME:6:999}
done

Test it first (replace 'mv' with 'echo')

Allan · 2008-08-09 12:14:05

That page was working earlier... From the google cache (http://209.85.141.104/search?q=cache:tM … =clnk&cd=1)

${param%word} - From the end, removes the smallest part of param that matches word and returns the rest.
${param%%word} - From the end, removes the longest part of param that matches word and returns the rest.
${param#word} - From the beginning, removes the smallest part of param that matches word and returns the rest.
${param##word} - From the beginning, removes the longest part of param that matches word and returns the rest.

Statix · 2008-08-09 19:06:09

fukawi2 wrote:

To remove the prefix, you need something like:
for FNAME in $(ls) ; do
   mv $FNAME ${FNAME:6:999}
done
Test it first (replace 'mv' with 'echo')

Quick and simple, thanks!

And thanks for all the help from everyone else as well. My shell scripting knowledge is increasing slowly.

T-Dawg · 2008-08-18 23:56:22

Here' s how I would do it:

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Arch Linux

#1 2008-08-09 06:23:20

Cutting file names

#2 2008-08-09 06:36:11

Re: Cutting file names

#3 2008-08-09 10:45:14

Re: Cutting file names

#4 2008-08-09 11:21:39

Re: Cutting file names

#5 2008-08-09 12:04:13

Re: Cutting file names

#6 2008-08-09 12:10:00

Re: Cutting file names

#7 2008-08-09 12:14:05

Re: Cutting file names

#8 2008-08-09 19:06:09

Re: Cutting file names

#9 2008-08-18 23:56:22

Re: Cutting file names

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