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Renaming the extension of a set of files

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# 1  
Old 06-21-2012
Renaming the extension of a set of files
Hi All,

I am trying to rename the extension of a set of file from .txt to .xtx. When I run the following script,

Code:
#!/bin/sh
l=`ls /f`
for f in $l
do "mv $f ${f%.txt}.xtx" ;
done

a file such as 1.txt is renamed to 1? where ? is a strange character. Could you please help me fix the code without using other commands such as awk or tr or ...?

Best regards,
Sara
Last edited by Scrutinizer; 06-22-2012 at 02:00 AM.. Reason: code tags
# 2  
Old 06-22-2012
Code:
#! /bin/bash

cd /path/to/txt/files
for f in *.txt
do
    mv $f ${f%.txt}.xtx
done

# 3  
Old 06-22-2012
The double quotes are in the wrong places:
Code:
mv "$f" "${f%.txt}.xtx"

also
ls /f means that there is a directory called "/f" in the root?
# 4  
Old 06-22-2012
Thanks all but none of the solution works. Still I am getting the same result. Anyone?
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