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Full Discussion: Re: Long command lines
Top Forums Shell Programming and Scripting Re: Long command lines Post 21756 by enoch on Wednesday 22nd of May 2002 10:53:21 AM
Old 05-22-2002
Question Re: Long command lines

Hello,

AIM: Need to test for the presence of some files (*.F) in a certain directory.

having a problem with this line is ksh:

if test `ls $SOMEDIR/dir/*.F \
2>/dev/null|wc -w` -eq 0

Basically testing for the presence of *.F files in the specified directory. If the return code from 'wc -w' is equal to 0 then no *.F exist

BUT, ls can fail if the command line is too long.
Fails with ..
sh-42 sh: arg list too long.

Could use the find command:

find $SOMEDIR/dir/*.F

along with the word count stuff, but then find is recursive and searches lower subdirectories (which I dont want). I cant find a command / option to use with 'find' to force it to only search that dir.
Any idea

Thanks in advance
E.
 

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JH_GENERATEORBITDIR(1)						    Javahelper						    JH_GENERATEORBITDIR(1)

NAME
jh_generateorbitdir - Creates and populates an orbit dir used by pde-build for third-party jar files. SYNOPSIS
jh_generateorbitdir [debhelperoptions] [--orbit-dir=dir] [orbit-dep[...]] DESCRIPTION
jh_generateorbitdir is a javahelper program that handles creation of an orbit dependency dir. This directory has to be populated with non- eclipse jar files. However, eclipse refers to these jars by their "symbolic name". jh_generateorbitdir can extract this name from the jar's manifest (provided it has the OSGi metadata) and create a symlink to it. jh_generateorbitdir will replace regular files with symlinks if they are present in the orbit dir and clash with the name of one of the orbit jars. If an orbit jar name clashes with a symlink in the orbit dir, then jh_generateorbitdir will assume that the given jar has already been symlinked correctly. In this case the jar file is still recorded in the cache (see below). jh_generateorbitdir will also check the default installation for jar files on Debian systems (at the time of writing /usr/share/java), if it cannot find the jar in the current dir. Jar files replaced by jh_generateorbitdir will be recorded so that jh_installeclipse can replace with symlinks them post install. FILES
debian/eclipse.orbitdeps List of orbit dependencies - one per line. This can be used as an alternative to passing it per command line. OPTIONS
--orbit-dir=dir Specifies the directory from where the orbit-dir is or should be created. Defauls to "debian/.eclipse_build/orbitdeps". EXAMPLE
jh_generateorbitdir --orbit-dir orbit asm3 oro Will generate a folder called orbit with two symlinks based on asm3 and oro's symbolic name. SEE ALSO
debhelper(7) This program is a part of javahelper and uses debhelper as backend. There are also tutorials in /usr/share/doc/javahelper. AUTHOR
Niels Thykier <niels@thykier.net> COPYRIGHT AND LICENSE
Copyright 2010 by Niels Thykier This tool is free software; you may redistribute it and/or modify it under the terms of GNU GPL 2. 0.43 2011-04-29 JH_GENERATEORBITDIR(1)
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