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Replacing part of filename

 
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# 1  
Old 01-28-2014
Replacing part of filename
Hi guys!

I have quite a lot of files like

all_10001_ct1212307460308.alf*

and I want to get rid of the first number for all at once like:

all_ct1212307460308.alf*

How can I do this in the shell?
# 2  
Old 01-28-2014
What shell and operating system are you using?
# 3  
Old 01-28-2014
Oh sorry:

It is GNU/Linux 6.0.8
how do I know which shell I have?
# 4  
Old 01-28-2014
echo $SHELL
# 5  
Old 01-28-2014
/bin/bash
# 6  
Old 01-28-2014
If your filenames always have (exactly) two underscore characters, you could try something like:
Code:
for i in *_*_*.alf*
do      echo mv "$i" "${i/_*_/_}"
done

and, if it looks like that is correctly transforming the filenames, remove the echo and run it again.
# 7  
Old 01-29-2014
Thank you very much Don. But there is still one little detail.
If I use your code it is also replacing the second number but I just want to get rid of the first one. Probably because I have more than 2 underscores like:

mar10lan_all_1000_ct1210111172602.alf_gts_mar10.list
 
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