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Full Discussion: Renaming files in one file from names in other
Top Forums UNIX for Dummies Questions & Answers Renaming files in one file from names in other Post 302503961 by ctsgnb on Saturday 12th of March 2011 06:42:20 PM
Old 03-12-2011
Code:
[ctsgnb@shell ~/sand]$ cat f1
K2_34625-34675
K7_988963-988983
K12_773882-7734102
[ctsgnb@shell ~/sand]$ cat f2
U_P_321_9_3_11.ab1
U_P_322_9_3_11.ab1
U_P_323_9_3_11.ab1
[ctsgnb@shell ~/sand]$ paste f2 f1 | while read a b
> do
> t=${b##*_???}
> v=$(echo $b | sed 's/.*_...//;s/-.../-/')
> n=${b%$t}$(( -($v) )).${a#*.}
> echo "mv $a $n"
> done
mv U_P_321_9_3_11.ab1 K2_34650.ab1
mv U_P_322_9_3_11.ab1 K7_98820.ab1
mv U_P_323_9_3_11.ab1 K12_7733220.ab1
[ctsgnb@shell ~/sand]$

If it does what you want then just change the echo "mv $a $n" with mv "$a $n"

---------- Post updated at 12:42 AM ---------- Previous update was at 12:34 AM ----------

please give more clue about the caculation for the renaming :

34625-34675 = -50
and what should be calculated in the
773882-7734102
????

I assumed you want to keep the first 3 number unchanged so that is becomes:
-(882-4102)=3220
so the new name will be K12_7733220.ab1
by the way, i also assume you have the same number of entries in your both set of files
This User Gave Thanks to ctsgnb For This Post:
pawannoel
 

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LEARN ABOUT CENTOS

rename

RENAME(1)							   User Commands							 RENAME(1)

NAME

       rename - rename files

SYNOPSIS

       rename [options] expression replacement file...

DESCRIPTION

       rename will rename the specified files by replacing the first occurrence of expression in their name by replacement.

OPTIONS

       -v, --verbose
	      Give visual feedback which files where renamed, if any.

       -V, --version
	      Display version information and exit.

       -s, --symlink
	      Peform rename on symlink target

       -h, --help
	      Display help text and exit.

EXAMPLES

       Given the files foo1, ..., foo9, foo10, ..., foo278, the commands

	      rename foo foo0 foo?
	      rename foo foo0 foo??

       will turn them into foo001, ..., foo009, foo010, ..., foo278.  And

	      rename .htm .html *.htm

       will fix the extension of your html files.

WARNING

       The  renaming  has  no safeguards.  If the user has permission to rewrite file names, the command will perform the action without any ques-
       tions.  For example, the result can be quite drastic when the command is run as root in the /lib directory.  Always make  a  backup  before
       running the command, unless you truly know what you are doing.

SEE ALSO

       mmv(1), mv(1)

AVAILABILITY

       The rename command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

util-linux							     June 2011								 RENAME(1)
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