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Need script to move files based on name

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Top Forums Shell Programming and Scripting Need script to move files based on name
# 8  
Old 10-25-2010
Quote:
Originally Posted by ctsgnb
This code assume :
1) your shell support ${##|%%} expansion
2) all your initial file name have the same form tNNNNNN_NNNNN-NNNNN
the lower case letter t followed by any number of figures separated by a _ and a -

Code:
{ while read t ; do a=${t##*t} ; d=${t%/*} ; echo mv "$t $d/${a%%_*}-${t##*-}" ; done } <inputfile

run it and if ok remove the echo

Code:
[ctsgnb@shell ~]$ cat myt
/.catalog1/t76038_842-01
/.catalog1/t76038_842-366
/.catalog1/t76038_543-366
[ctsgnb@shell ~]$ { while read t ; do a=${t##*t} ; d=${t%/*} ; echo mv "$t $d/${a%%_*}-${t##*-}" ; done }<myt
mv /.catalog1/t76038_842-01 /.catalog1/76038-01
mv /.catalog1/t76038_842-366 /.catalog1/76038-366
mv /.catalog1/t76038_543-366 /.catalog1/76038-366
[ctsgnb@shell ~]$

Note that you might want to run it directly in /.catalog1 directory, then
Code:
cd /.catalog1
ls -1 t*_*-* | { while read t ; do a=${t##*t} ; echo mv "$t ${a%%_*}-${t##*-}" ; done }

This would give :

Code:
[ctsgnb@shell ~]$ ls -1 t*_*-* | { while read t ; do a=${t##*t} ; echo mv "$t ${a%%_*}-${t##*-}" ; done }
mv t76038_842-01 76038-01
mv t76038_842-366 76038-366
mv t76038_543-366 76038-366
[ctsgnb@shell ~]$

if your are happy with what is displayed just remove the echo and run it
I tried this. I created the text input file and each line contains:

Code:
/.catalog1/t####_842-###

But the output when running the command is:

Code:
/.catalog1/76038-68  8_842-68

Any ideas what's going wrong?

Thanks again...

Brian
# 9  
Old 10-26-2010
In my code, once i have read t i don't modify it, $t will always contains the initial scanned name.
So if your output show /.catalog1/76038-68 as being $t then it means you have modified it. I may be wrong, but i think you may have done some misstyping or typo error.

By the way, i did my test on FreeBSD. But i still think the my code should work on shells that can handle de ${##|%%} syntax.

Please show :
- your input file
- what you did exactly type
- in which directory were you when you did your test

You can also try the Klashx elegant solution that should work fine as well but you should run it from within the directory that hold the t*_*-* files
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