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how to get rid of last _ in the files name?

 
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# 1  
Old 04-11-2011
how to get rid of last _ in the files name?
ex: I have list of files in a folder.
Code:
abc_def_geh_.txt
abc_.txt
abc_def_geh_12345_.txt
ab134c_d345345ef_444geh_12345_.txt

i need to rename all files to get rid of the _ before .txt

result should look like this:
Code:
abc_def_geh.txt
abc.txt
abc_def_geh_12345.txt
ab134c_d345345ef_444geh_12345.txt

Last edited by Franklin52; 04-12-2011 at 03:39 AM.. Reason: Please use code tags
# 2  
Old 04-11-2011
Try this:

Code:
for file in *_.txt; do mv $file `echo $file | sed 's/_.txt/.txt/g'`; done

# 3  
Old 04-14-2011
a more general script to do this (handy because any sysadmin and a lot of users have to do this a number of times): http:// forums.macrumors.com/member.php?u=347558
 
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