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Shell Programming and Scripting
expanding dotted paths to absolute ones in bash or sh
Post 77774 by TanRanger on Tuesday 12th of July 2005 06:06:12 PM
07-12-2005
expanding dotted paths to absolute ones in bash or sh
I have a little script to help me manage a gallery of image files. It makes symbolic links to every file in and below the current directory, placing them in a target directory which is passed to the script as a parameter. Unfortunately, the script pukes when I pass a parameter that contains dotted paths.
$ linkall /home/joe/foo
$ linkall ~/foo
work beautifully. The latter one works because the parameter is expanded before it is passed.
But,
$ linkall ../foo
pukes.
Does anyone know of a way to expand the passed parameter into an absolute path? I've tried everything I can think of. I'm having a hard time even thinking of the right query to Google for. Whenever that happens, I look for a forum.
It seems to me that I'm probably looking for some code that gets used in a lot of scripts; basically boilerplate that I've just never come across yet.
Other than by strictly using absolute paths, I can't think of any workarounds off the top of my head.
I can post the script if that would help. It's 68 lines.
$ linkall /home/joe/foo
$ linkall ~/foo
work beautifully. The latter one works because the parameter is expanded before it is passed.
But,
$ linkall ../foo
pukes.
Does anyone know of a way to expand the passed parameter into an absolute path? I've tried everything I can think of. I'm having a hard time even thinking of the right query to Google for. Whenever that happens, I look for a forum.
It seems to me that I'm probably looking for some code that gets used in a lot of scripts; basically boilerplate that I've just never come across yet.Other than by strictly using absolute paths, I can't think of any workarounds off the top of my head.
I can post the script if that would help. It's 68 lines.
Last edited by TanRanger; 07-12-2005 at 07:18 PM..
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LEARN ABOUT CENTOS
test::script
Test::Script(3) User Contributed Perl Documentation Test::Script(3) NAME
Test::Script - Basic cross-platform tests for scripts DESCRIPTION
The intent of this module is to provide a series of basic tests for 80% of the testing you will need to do for scripts in the script (or bin as is also commonly used) paths of your Perl distribution. Further, it aims to provide this functionality with perfect platform-compatibility, and in a way that is as unobtrusive as possible. That is, if the program works on a platform, then Test::Script should always work on that platform as well. Anything less than 100% is considered unacceptable. In doing so, it is hoped that Test::Script can become a module that you can safely make a dependency of all your modules, without risking that your module won't on some platform because of the dependency. Where a clash exists between wanting more functionality and maintaining platform safety, this module will err on the side of platform safety. FUNCTIONS
script_compiles script_compiles( 'script/foo.pl', 'Main script compiles' ); The "script_compiles" test calls the script with "perl -c script.pl", and checks that it returns without error. The path it should be passed is a relative unix-format script name. This will be localised when running "perl -c" and if the test fails the local name used will be shown in the diagnostic output. Note also that the test will be run with the same perl interpreter that is running the test script (and not with the default system perl). This will also be shown in the diagnostic output on failure. script_runs script_runs( 'script/foo.pl', 'Main script runs' ); The "script_runs" test executes the script with "perl script.pl" and checks that it returns success. The path it should be passed is a relative unix-format script name. This will be localised when running "perl -c" and if the test fails the local name used will be shown in the diagnostic output. The test will be run with the same perl interpreter that is running the test script (and not with the default system perl). This will also be shown in the diagnostic output on failure. SUPPORT
All bugs should be filed via the bug tracker at <http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Test-Script> For other issues, or commercial enhancement and support, contact the author. AUTHOR
Adam Kennedy <adamk@cpan.org> SEE ALSO
prove, <http://ali.as/> COPYRIGHT
Copyright 2006 - 2009 Adam Kennedy. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.16.3 2009-11-24 Test::Script(3)