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Full Discussion: Converting perl regex to sed regex
Top Forums Shell Programming and Scripting Converting perl regex to sed regex Post 302467591 by suntzu on Saturday 30th of October 2010 05:15:54 AM
Old 10-30-2010
Converting perl regex to sed regex
I am having trouble parsing rpm filenames in a shell script.. I found a snippet of perl code that will perform the task but I really don't have time to rewrite the entire script in perl. I cannot for the life of me convert this code into something sed-friendly:

Code:
if ($rpm =~ /([a-zA-Z0-9_\-\+]*)-([a-zA-Z0-9_\.]*)-([a-zA-Z0-9_\.]*)\.(.*)/) {
        my $name = $1;
        my $version = $2;
        my $release = $3;
        my $arch = $4;

        ...your code here...

}

(note this is originally from linux engineer's blog and the author states you could simply add "\" before the parens but this still won't work for me.

What would you do?
Any advice is would greatly appreciated. Thank you in advance.
sun
Last edited by Scott; 10-30-2010 at 06:50 AM.. Reason: Please use code tags
 

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LEARN ABOUT SUSE

applydeltarpm

APPLYDELTARPM(8)					      System Manager's Manual						  APPLYDELTARPM(8)

NAME

       applydeltarpm - reconstruct an rpm from a deltarpm

SYNOPSIS

       applydeltarpm [-v] [-p] [-r oldrpm] deltarpm newrpm
       applydeltarpm -c|-C deltarpm
       applydeltarpm [-c|-C] -s sequence
       applydeltarpm -i deltarpm

DESCRIPTION

       applydeltarpm  applies a binary delta to either an old rpm or to on-disk data to re-create a new rpm. The old rpm can be specified with the
       -r option, if no rpm name is provided on-disk data is used. You can use -p to make applydeltarpm print the percentage of completion, or	-v
       to make it more verbose about its operation.

       The second an third form can be used to check if the reconstruction is possible. It may fail if the on-disk data got changed (deltarpms are
       created in a way that config file changes do not matter) or the deltarpm does not match the rpm the delta was generated with. The -c option
       selects full (i.e. slow) on-disk checking, whereas -C only checks if the filesizes have not changed.

       Instead	of  a full deltarpm a sequence id can be given with the -s sequence option. Such an id contains all the information that is needed
       to do reconstruction checking.

       Finally information about a deltarpm can be printed with the -i option.

EXIT STATUS

       applydeltarpm returns 0 if the rpm could be recreated or the checking succeeded, it returns 1 and prints an  error  message  to	stderr	if
       something failed.

SEE ALSO

       makedeltarpm(8), rpm(8)

AUTHOR

       Michael Schroeder <mls@suse.de>

								     Feb 2005							  APPLYDELTARPM(8)
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