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Full Discussion: Problem renaming files using variables
Top Forums Shell Programming and Scripting Problem renaming files using variables Post 302782145 by hubleo on Monday 18th of March 2013 10:31:20 AM
Old 03-18-2013
Problem renaming files using variables
Hi, I have the following problem:

I have a list of files:
Code:
1.txt
2.txt
3.txt
4.txt

Then I have a list of variable names inside variable.txt:
Code:
A
B
C
D

I'd like to rename 1.txt, 2.txt etc using the variables from variable.txt
Code:
 
A.txt (Contains info from 1.txt)
B.txt (Contains info from 2.txt)
C.txt (Contains info from 3.txt)
D.txt (Contains info from 4.txt)

I've tried using this, but it doesn't work
Code:
END=4
for ((i=1;i<=END;i++)); do for j in $(cat variable.txt); do mv "$i".txt "$j".txt; done; done

When doing this, I get a list of files
Code:
 
A.txt  > (Contains info from 4.txt)
B.txt  > (Contains info from 4.txt)
C.txt  > (Contains info from 4.txt)
D.txt  > (Contains info from 4.txt)

but want

A.txt (Contains info from 1.txt)
B.txt (Contains info from 2.txt)
C.txt (Contains info from 3.txt)
D.txt (Contains info from 4.txt)

Something is going wrong with the loop and can't work out why it's doing this. I'm trying to learn scripting/loops and any help would be appreciated. Many thanks
 

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LEARN ABOUT DEBIAN

xclip-copyfile

XCLIP-COPYFILE(1)					      General Commands Manual						 XCLIP-COPYFILE(1)

NAME

       xclip-copyfile, xclip-cutfile, xclip-pastefile - copy and move files via the X clipboard

SYNOPSIS

       xclip-copyfile [-p] FILES...

       xclip-cutfile [-p] FILES...

       xclip-pastefile

DESCRIPTION

       xclip-copyfile copies files into the X clipboard, recursing into directories.

       xclip-cutfile copies the files, but also deletes them afterwards.

       -p     preserve path formation

       xclip-pastefile pastes the files out of the clipboard

EXAMPLES

       Copying a file to a remote host

       [maggie.lkpg.cendio.se ~]$ echo "A file created on ${HOSTNAME}" > file1
       [maggie.lkpg.cendio.se ~]$ xclip-copyfile file1
       [sofie.homeip.net ~/doc]$ xclip-pastefile
       file1
       [sofie.homeip.net ~/doc]$ cat file1
       A file created on maggie.lkpg.cendio.se

       Copying an entire tree structure

       [sofie.homeip.net ~]$ xclip-copyfile doc
       [maggie.lkpg.cendio.se ~/tmp]$ xclip-pastefile
       doc/
       doc/letter-mom-april.txt
       doc/file1
       doc/letter-dad-march.txt

       Copying files with preserved path information

       [maggie.lkpg.cendio.se ~]$ xclip-copyfile -p /etc/sysconfig/grub
       tar: Removing leading `/' from member names
       [sofie.homeip.net ~/tmp]$ xclip-pastefile
       etc/sysconfig/grub
       [sofie.homeip.net ~/tmp]$ ls etc/sysconfig/grub
       etc/sysconfig/grub

       Moving files

       [sofie.homeip.net ~]$ ls letter-brother-may.txt
       letter-brother-may.txt
       [sofie.homeip.net ~]$ xclip-cutfile letter-brother-may.txt
       [sofie.homeip.net ~]$ ls letter-brother-may.txt
       ls: cannot access letter-brother-may.txt: No such file or directory
       [sofie.homeip.net ~]$ cd doc
       [sofie.homeip.net ~/doc]$ xclip-pastefile
       letter-brother-may.txt

AUTHORS

       This  manual  page  was written by Maximilian Gass <mxey@cloudconnected.org> for the Debian project. It may be used for everything else, of
       course.

																 XCLIP-COPYFILE(1)
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