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Full Discussion: Rename files based on a list
Top Forums UNIX for Dummies Questions & Answers Rename files based on a list Post 302942397 by a_bahreini on Tuesday 28th of April 2015 12:51:53 PM
Old 04-28-2015
Rename files based on a list
Hi,
I have a directory with a lot of files like this:
Code:
a.bam
b.bam
c.bam

I like to rename these files based on a list where the name of the files in the first column will be replasced by the names in the second column. Here is my list which is a tab-delimited text file:
Code:
a    x
b    y
c    z

The output should be like this:
Code:
x.bam
y.bam
z.bam

Thanks in advance
 

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LEARN ABOUT REDHAT

dbs-edit-patch

DBS-EDIT-PATCH(1)						Debian Build System						 DBS-EDIT-PATCH(1)

NAME

       dbs-edit-patch - Edit a DBS patch

SYNOPSIS

       dbs-edit-patch [options] patch
       dbs-edit-patch -h|--help

DESCRIPTION

       dbs-edit-patch is script to generate or modify patches for Debian source-packages in DBS format.

WARNING

       dbs  is	deprecated,  please  switch  to  the  `3.0 (quilt)' Debian source package format instead. See http://wiki.debian.org/Projects/Deb-
       Src3.0#FAQ for a short guide how to do it.

OPTIONS

       -h, --help
	      Show summary of options.

       -t dir, --tmpdir=dir
	      Directory for the temporary files, default is /tmp or if set $TMP.

       -s dir, --sourcedir=dir
	      Top level directory of the debian-package source-tree, default is the present working directory.

       -P dir, --sourcepatchdir=dir
	      Directory containing upstream patches.

       -T dir, --sourcetardir=dir
	      Directory containing the upstream tarball.

       -p level, --strip=level
	      Striplevel -p of patch (Option -p of diff(1)), accepted values are 0 and 1, default is 0.

ENVIRONMENT VARIABLES

       TMP    Sets the directory for the temporary files, can be overridden with -t dir.

debian/vars
       dbs-edit-patch will automatically use variables defined in the optional debian/vars file.

       When a file debian/vars.in exists and debian/vars either does not exist or is older  than  any  of  the	following  files:  debian/vars.in,
       debian/changelog, debian/rules or debian/control, then dbs-edit-patch will try updating the vars file by running the following command
	   make -f debian/rules -W debian/vars.in debian/vars

EXAMPLES

       Edit the 021_debian patch of Heimdal:

	   ~/heimdal-0.3d> dbs-edit-patch -t/tmp 021_debian
	   Extracting source heimdal-0.3d.tar.gz ... successful.
	   Applying patch 001_replay ... successful.
	   etc.
	   Copying heimdal-0.3d to heimdal-0.3d-old ... successful.
	   Applying patch 021_debian ... successful.

       Edit  files under /tmp/021_debian/heimdal-0.3d as required, then put a short description into /tmp/021_debian/patch-description if desired,
       and finally execute /tmp/021_debian/dbs-update-patch to save the results.

       Technical  note:  dbs-edit-patch  extracts  all	patches  before  021_debian  into  /tmp/021_debian/heimdal-0.3d,  copies  the  result	to
       /tmp/021_debian/heimdal-0.3d-old,  and  applies the last patch 021_debian (if it exists). Also, it creates a shell script which will create
       the diff between the old and new directories:

	   ~/heimdal-0.3d> ls -la /tmp/021_debian
	   total 12
	   -rwxr-xr-x	 1 bam	    users	  112 Jan 31 13:31 dbs-update-patch*
	   -rw-r--r--	 1 bam	    users	    0 Jan 31 13:31 patch-description
	   drwxr-xr-x	14 bam	    users	 4096 Jan 31 13:31 heimdal-0.3d/
	   drwxr-xr-x	14 bam	    users	 4096 Jan 31 13:31 heimdal-0.3d-old/
	   drwxr-xr-x	 5 bam	    users	 4096 Jan 31 13:31 .stampdir/

	   ~/heimdal-0.3d> cat /tmp/021_debian/dbs-update-patch
	   #!/bin/sh -e
	   cd "/tmp/021_debian"
	   HOOK_DIR="/usr/src/heimdal/debian/dbs-hooks"
	   test -d "$HOOK_DIR" && run-parts "$HOOK_DIR" --arg update-patch-prediff
	   find -name "*.bak" -print0 | xargs -0 --no-run-if-empty rm
	   find -name "*~" -print0 | xargs -0 --no-run-if-empty rm
	   : > new_patch
	   test ! -e patch-description || cp patch-description new_patch
	   diff -ruN heimdal-0.3d-old heimdal-0.3d >> new_patch || test $? -eq 1
	   mv new_patch  /usr/src/heimdal/debian/patches/021_debian
	   test -d "$HOOK_DIR" && run-parts "$HOOK_DIR" --arg update-patch-postdiff

SEE ALSO

       diff(1), dbs(7), /usr/share/doc/dbs/

AUTHOR

       DBS was written by Adam Heath, modified by Ben Collins, modified and packaged for Debian by  Brian  May.  This  manpage	was  generated	by
       Andreas Metzler and modified by Robert Luberda.

Debian								February 15th, 2011						 DBS-EDIT-PATCH(1)
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