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Full Discussion: Run perl script on files in multiple directories
Top Forums Shell Programming and Scripting Run perl script on files in multiple directories Post 302432347 by a_programmer on Thursday 24th of June 2010 08:46:21 PM
Old 06-24-2010
Simply pass full/relative paths with directory name to your perl script. (This is assuming your perl script does not expect the file to be in the current working directory).

Code:
## Assuming the following directory structure:
## /abc/xyz/2010_06_09_A
## /abc/xyz/2010_06_09_B
## ...
## /abc/xyz/2010_06_09_Z

cd /abc/xyz
for i in */Data.txt
do
  perl myscript.pl $i > $i.new
done

If your perl script needs the file to be current working directory:

Code:
cd /abc/xyz
for i in */Data.txt
do
  dir=${i%/*}
  file=${i##*/}
  cd "$dir"
  perl myscript.pl ${file} > $i.new
  cd -
done

Last edited by a_programmer; 06-25-2010 at 12:13 PM.. Reason: typo correction: changed for $i to for i
This User Gave Thanks to a_programmer For This Post:
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LEARN ABOUT HPUX

fs_whereis

FS_WHEREIS(1)						       AFS Command Reference						     FS_WHEREIS(1)

NAME

       fs_whereis - Reports each file server housing a file or directory

SYNOPSIS

       fs whereis [-path <dir/file path>+] [-help]

       fs whe [-p <dir/file path>+] [-h]

DESCRIPTION

       The fs whereis command returns the name of each file server machine that houses the volume containing each directory or file named by the
       -path argument.

OPTIONS

       -path <dir/file path>+
	   Names each AFS file or directory for which to return the host file server machine. Partial pathnames are interpreted relative to the
	   current working directory, which is also the default value if this argument is omitted.

       -help
	   Prints the online help for this command. All other valid options are ignored.

OUTPUT

       The output includes a line for each specified directory or file. It names the file server machine on which the volume that houses the
       specified directory or file resides. A list of multiple machines indicates that the directory or file is in a replicated volume.

       Machine names usually have a suffix indicating their cell membership. If the cell is not clear, use the fs whichcell command to display the
       cell in which the directory or file resides. To display the cell membership of the local machine, use the fs wscell command.

EXAMPLES

       The following example indicates that volume housing the directory /afs/abc.com resides is replicated on both "fs1.abc.com" and
       "fs3.abc.com":

	  % fs whereis -path /afs/abc.com
	  File /afs/abc.com is on hosts fs1.abc.com fs3.abc.com

PRIVILEGE REQUIRED

       None

SEE ALSO

       fs_whichcell(1), fs_wscell(1)

COPYRIGHT

       IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.

       This documentation is covered by the IBM Public License Version 1.0.  It was converted from HTML to POD by software written by Chas
       Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.

OpenAFS 							    2012-03-26							     FS_WHEREIS(1)
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