10-22-2013
You're not making any sense?
What .xls file?
Without the timestamps, your filenames are not unique.
Other than changing the timestamp on the files, what do you want to do?
What do you want to happen to GIDW_Dly_Sls_legacy_RO_0_0_20131001172001.csv? Do you just want to rename it changing the timestamp from 20131001172001 to the current time? (Note that if that is what you want, you could easily end up destroying some files using this method because your file names with the timestamps removed are not unique, and you may be able to rename several files in a second if you do this without creating a bunch of unneeded temporary files.)
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LEARN ABOUT LINUX
prename
RENAME(1) Perl Programmers Reference Guide RENAME(1)
NAME
rename - renames multiple files
SYNOPSIS
rename [ -v ] [ -n ] [ -f ] perlexpr [ files ]
DESCRIPTION
"rename" renames the filenames supplied according to the rule specified as the first argument. The perlexpr argument is a Perl expression
which is expected to modify the $_ string in Perl for at least some of the filenames specified. If a given filename is not modified by the
expression, it will not be renamed. If no filenames are given on the command line, filenames will be read via standard input.
For example, to rename all files matching "*.bak" to strip the extension, you might say
rename 's/.bak$//' *.bak
To translate uppercase names to lower, you'd use
rename 'y/A-Z/a-z/' *
OPTIONS
-v, --verbose
Verbose: print names of files successfully renamed.
-n, --no-act
No Action: show what files would have been renamed.
-f, --force
Force: overwrite existing files.
ENVIRONMENT
No environment variables are used.
AUTHOR
Larry Wall
SEE ALSO
mv(1), perl(1)
DIAGNOSTICS
If you give an invalid Perl expression you'll get a syntax error.
BUGS
The original "rename" did not check for the existence of target filenames, so had to be used with care. I hope I've fixed that (Robin
Barker).
perl v5.12.4 2011-08-10 RENAME(1)