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Full Discussion: Will this work?
Top Forums Shell Programming and Scripting Will this work? Post 38730 by criglerj on Thursday 24th of July 2003 01:08:03 PM
Old 07-24-2003
In oombera's solution, the "if" is redundant, since `ls ...` only returned the files that were there, not the ones that weren't.

Assuming the "extensions", i.e., the filename endings after a period, are fixed, my solution would be something like this:
Code:
cd $copycomp/data
for ext in a b c d ; do
    if [ -f exsyctr1.$ext ] ; then
        # Create backup file per oombera, notice shell differences.
	cp $livecomp/exsyctrl.$ext .
    fi
done

 

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LEARN ABOUT DEBIAN

dh_xul-ext

DH_XUL-EXT(1)						     mozilla-devscripts suite						     DH_XUL-EXT(1)

NAME

       dh_xul-ext - calculate XUL extension dependencies

SYNOPSIS

       dh_xul-ext [options]

DESCRIPTION

       dh_xul-ext  is  a  helper  tool for packaging XUL extensions. It calculates the supported XUL applications for the packages that contain an
       install.rdf file. It will set the substitution variables xpi:Depends, xpi:Recommends, xpi:Breaks, xpi:Enhances, and  xpi:Provides.  Unknown
       options will be ignored.

OPTIONS

       -h, --help
	      Display a brief help message.

       -a, --all
	      Expand substvars to all known XUL applications. If this parameter is not provided, substvars will only be expanded to the XUL appli-
	      cations that are available on your distribution. Use this parameter if you want to create a package that can  be	installed  on  all
	      Debian-based systems without recompiling.

       -p package, --package=package
	      Calcalate  the  substvars  only for the specified package. If this parameter is not provided, all package listed in the control file
	      will be processed.

       -v, --verbose
	      Print more information.

ENVIRONMENT

       DH_XUL_EXT_VENDOR
	      The vendor (for example, Debian or Ubuntu) that should be used for calculating the dependencies.	dpkg-vendor(1) will  be  used  for
	      determining  the vendor if this environment variable is not set.	Setting the variable to all will have the same effect than calling
	      dh_xul-ext with --all.

AUTHOR

       Benjamin Drung <bdrung@debian.org>

dh_xul-ext							   October 2011 						     DH_XUL-EXT(1)
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