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Full Discussion: Finding & Moving Oldest File by Parsing/Sorting Date Info in File Names
Top Forums Shell Programming and Scripting Finding & Moving Oldest File by Parsing/Sorting Date Info in File Names Post 302219980 by nikosey on Wednesday 30th of July 2008 02:36:35 PM
Old 07-30-2008
Finding & Moving Oldest File by Parsing/Sorting Date Info in File Names
I'm trying to write a script that will look in an /exports folder for the oldest export file and move it to a /staging folder. "Oldest" in this case is actually determined by date information embedded in the file names themselves.

Also, the script should only move a file from /exports to /staging if staging is empty; if there's already a file in /staging then the script would exit without doing anything.

Here's an example of what the folders and files might look like:

/exports
job1_Friday_05302008.xml
job1_Monday_05262008.xml
job1_Monday_06022008.xml
job1_Thursday_05292008.xml
job1_Tuesday_06032008.xml
job1_Wednesday_05282008.xml

/staging

In this case, because /staging is empty, the script should move /exports/job1_Monday_05262008.xml to /staging. The next time the script runs it should exit if /exports still contains job1_Monday_05262008.xml, otherwise it should move job1_Wednesday_05282008.

Also, the "job1" prefix is static.

I've got a script that uses ls and cat to loop through file names and parse out the date information but i'm getting bogged down with how to handle the results and i'm starting to think i might be going down the wrong path...

Any suggestions would be appreciated
 

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LEARN ABOUT DEBIAN

scilab-adv-cli

Scilab(1)						      General Commands Manual							 Scilab(1)

NAME

       scilab-adv-cli - Scientific software package - Advanced Command Line Interpreter

SYNOPSIS

       scilab [ -h | -f file | -e instruction | -l lang | -mem n | -nb | -ns | -nouserstartup | -version ]
       This  manual  page  documents briefly the scilab commands.  scilab-adv-cli provides Scilab as a computing engine with many features.  It is
       similar to call scilab -nw. All options of Scilab are available in this mode.

OPTIONS

       A complete list of options is included below.

       -h     Show the list of options.

       -f file
	      Execute the scilab script given in file argument.  Note that -e and -f options are mutually exclusive.

       -e instruction
	      Execute the scilab instruction given in instruction argument.  Note that -e and -f options are mutually exclusive.

       -l lang
	      Launch Scilab in the specified language. The lang must be the locale code (ie fr_FR, en_US...)

       -nb    Do not display the Scilab banner at starting time.

       -ns    Do not execute scilab.start startup file

       -mem N Set the initial stacksize

       -nouserstartup
	      Do not execute the user startup files SCIHOME/.scilab or SCIHOME/scilab.ini.

       -version
	      Print product version and exit.

FILES

       ~/.Scilab/<Scilab_version>/.scilab The user startup script.
       ~/.Scilab/<Scilab_version>/scilab.ini The user startup script.
       ~/.Scilab/<Scilab_version>/configuration.xml The configuration of the GUI
       ~/.Scilab/<Scilab_version>/.history.scilab The history of commands
       SCI/modules/jvm/etc/jvm_options.xml Options given to the JVM
       SCI/etc/modules.xml List of Scilab modules
       SCI/etc/classpath.xml Where Scilab should load the Java libraries
       SCI/etc/librarypath.xml Where Scilab should look for JNI libraries

AUTHOR

       Scilab was written by the Scilab Consortium.

       This manual page was written by Sylvestre Ledru <sylvestre@debian.org>.

								 November 18, 2008							 Scilab(1)
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