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Top Forums Shell Programming and Scripting How to sort out the latest one from a series of numbers? Post 302349183 by bhaskar_m on Monday 31st of August 2009 09:22:40 AM
Old 08-31-2009
How to sort out the latest one from a series of numbers?

Hi,

I have a directory which contains a number of sub directories. They are named as 1.0.0, 1.0.1, 1.0.2...1.1.0..1.1.1...1.2.0..and so on..

Basically these are the tags created at the time of release. Tags are named as major.minor.buildnumber format for modules.
Now I have to search the latest tag from different modules.
For example
latest tag between 1.0.0, 1.0.1, 1.0.2 is 1.0.2
latest tag between 1.1.0, 1.1.1, 1.1.2, 1.1.3 is 1.1.3
latest tag between 1.2.0 is 1.2.0 only
latest tag between 2.0.0, 2.0.1 is 2.0.1

I have a command which identifies the latest tag out all these.
Code:
ls -ltr | awk '{print $9}' | sort -t\. -k 1n,1n -k 2n,2n -k 3n,3n

But I need to find out the tags individually for different modules.
Hope I am clear with my requirement. How to proceed any idea? Thanks in advance.
 

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DH_INSTALLDEB(1)						     Debhelper							  DH_INSTALLDEB(1)

NAME
dh_installdeb - install files into the DEBIAN directory SYNOPSIS
dh_installdeb [debhelperoptions] DESCRIPTION
dh_installdeb is a debhelper program that is responsible for installing files into the DEBIAN directories in package build directories with the correct permissions. FILES
package.postinst package.preinst package.postrm package.prerm These maintainer scripts are installed into the DEBIAN directory. Inside the scripts, the token #DEBHELPER# is replaced with shell script snippets generated by other debhelper commands. package.triggers package.shlibs These control files are installed into the DEBIAN directory. package.conffiles This control file will be installed into the DEBIAN directory. In v3 compatibility mode and higher, all files in the etc/ directory in a package will automatically be flagged as conffiles by this program, so there is no need to list them manually here. package.maintscript Lines in this file correspond to dpkg-maintscript-helper(1) commands and parameters. Any shell metacharacters will be escaped, so arbitrary shell code cannot be inserted here. For example, a line such as "mv_conffile /etc/oldconffile /etc/newconffile" will insert maintainer script snippets into all maintainer scripts sufficient to move that conffile. A versioned Pre-Dependency on dpkg is needed to use dpkg-maintscript-helper(1). An appropriate Pre-Dependency is set in ${misc:Pre-Depends} ; you should make sure to put that token into an appropriate place in your debian/control file. SEE ALSO
debhelper(7) This program is a part of debhelper. AUTHOR
Joey Hess <joeyh@debian.org> 9.20120909 2011-09-12 DH_INSTALLDEB(1)
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