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Top Forums Shell Programming and Scripting [Beginner's questions] Filename Validation & Parsing Post 302725409 by levaldez on Friday 2nd of November 2012 07:19:31 AM
Old 11-02-2012
Hammer & Screwdriver [Beginner's questions] Filename Validation & Parsing

Hi !!

I'm rather new both to the UNIX and scripting worlds, and I'm learning the ropes of scripting. Having said this, please excuse me if you notice certain basic errors.

I'm working on a script that implements .jar and .war files for a WAS environment and I need to perform certain validations, before copying and moving files around within different working environments.

Our .jar filename structure follows:

<whatever application name>_YYYYMMMDD_HHmm_nnnn.jar

Example:

myapp_20121031_1021_1234.jar
otherappname_20120928_0943_3212.jar

I receive the .jar filename as a parameter and I need to extract the first portion of the filename into a variable. I'm not sure how to do this. Either use the 'cut' command or 'awk'.

Basically, whenever I get the filename parameter, I must discard the final 23 bytes and keep the rest.

For example, for the first sample filename, I need to extract 'myapp' into a variable. For the second example, I need to extract the portion 'otherappname'.

I'd really appreciate your help

Thanks in advance !!

Enrique Valdez

PS: This a AIX 5.3 machine and Korn Shell.
 

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MAVEN(1)							   User Commands							  MAVEN(1)

NAME
Maven - Creates links in /usr/share/maven-repo for all jars. SYNOPSIS
mh_linkjars [option]... DESCRIPTION
Reads the file debian/$package.poms and create links for each jar file generated by a POM listed in the .poms file. OPTIONS
-h --help: show this text -V --version: show the version -p<package> --package=<package>: name of the Debian package which will contain the jar files -e<version>, --set-version=<version>: set the version for the jars, do not use the version declared in the POM file. -r<rules> --rules=<rules>: path to the file containing the rules to apply when cleaning the POM. Optional, the default location is debian/maven.rules -v --verbose: show more information while running -n --no-act: don't actually do anything, just print the results The <package>.poms file should contain the list of POM files associated with the list of jars to install in the repository, and each pom file should have either the option --usj-name, giving the name of the jar (without the extension) to link to and located in /usr/share/java, or the option --artifact, which should contain the full name of the source jar to link to. See also: mh_linkjar(1), mh_install(1) Maven Repo Helper version 1.7.1 January 2012 MAVEN(1)
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