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How to sort directory names and use only last?

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Old 09-18-2006
How to sort directory names and use only last?
I need help writing a bash script for the windows cygwin environment. I'm not sure if bash is the optimal tool. Perhaps perl would be better? Either would work.

I have directories whose names include the date they were created. The directory names are in the format of "//remote/builds/SA/Build_YYYYMMDD". I need to
(1) find the directory with the latest date encoded in in it. (all the candidate directories share the same containing directory). Today, for example, I see a directory name of //remote/builds/SA/Build_20060916. Apparently someone preformed a build on Saturday.
(2) Create a directory with the name /cygdrive/c/SA20060916 if it does not already exist.
(3) Find the zip file in //remote/builds/SA/Build_20060916 that contains 'EVAL' in the file name and unzip it to /cygdrive/c/SA20060916
(4) Find the zip file in //remote/builds/SA/Build_20060916 that contains 'FS' in the file name and unzip it to /cygdrive/c/SA20060916

Thanks,
Siegfried
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libbash

LIBBASH(7)							  libbash Manual							LIBBASH(7)

NAME

     libbash -- A bash shared libraries package.

DESCRIPTION

     libbash  is  a package that enables bash dynamic-like shared libraries. Actually its a tool for managing bash scripts whose functions you may
     want to load and use in scripts of your own.

     It contains a 'dynamic loader' for the shared libraries ( ldbash(1)), a configuration tool (ldbashconfig(8)), and some libraries.

     Using ldbash(1) you are able to load loadable bash libraries, such as getopts(1) and hashstash(1).  A bash shared library that can be  loaded
     using
     ldbash(1) must answer 4 requirments:

     1.     It must be installed in $LIBBASH_PREFIX/lib/bash (default is /usr/lib/bash).

     2.     It must contain a line that begins with '#EXPORT='.  That line will contain (after the '=') a list of functions that the library
	    exports.  I.e. all the function that will be usable after loading that library will be listed in that line.

     3.     It must contain a line that begins with '#REQUIRE='.  That line will contain (after the '=') a list of bash libraries that are
	    required for our library.  I.e. every bash library that is in use in our bash library must be listed there.

     4.     The library must be listed (For more information, see ldbashconfig(8)).

   Basic guidelines for writing library of your own:
     1.     Be aware, that your library will be actually sourced. So, basically, it should contain (i.e define) only functions.

     2.     Try to declare all variables intended for internal use as local.

     3.     Global variables and functions that are intended for internal use (i.e are not defined in '#EXPORT=') should begin with:
		  __<library_name>_
	    For example, internal function myfoosort of hashstash library should be named as
		  __hashstash_myfoosort
	    This helps to avoid conflicts in global name space when using libraries that come from different vendors.

     4.     See html manual for full version of this guide.

AUTHORS

     Hai Zaar <haizaar@haizaar.com>
     Gil Ran <ril@ran4.net>

SEE ALSO

     ldbash(1), ldbashconfig(8), getopts(1), hashstash(1) colors(1) messages(1) urlcoding(1) locks(1)

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