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Top Forums Shell Programming and Scripting Perl script 'system' linking to local shell script not working Post 302362446 by pludi on Friday 16th of October 2009 04:56:08 AM
Old 10-16-2009
As a rule, I use two of them in every script (strict and warnings), 'diagnostics' when developing / debugging but I drop it for production code. Sure, it might be more comfortable to code without them, but sooner or later you'll miss a typo that has a nasty side effect. Some warnings may be ignored (such as "uninitialized value in concatenation"), except that they might clutter your output/log and distract from any serious message.


I've got a couple other tips:
  • Use perl -c occasionally. It won't run your script, but check the syntax. Good to catch any missing semi-colons.
  • Use perltidy on your code to make it easier to read. Does a syntax check, too.
  • Occasionally, run perlcritic for some best practices.
 

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ATF-SH(1)						    BSD General Commands Manual 						 ATF-SH(1)

NAME
atf-sh [-s shell] -- interpreter for shell-based test programs SYNOPSIS
atf-sh script DESCRIPTION
atf-sh is an interpreter that runs the test program given in script after loading the atf-sh(3) library. atf-sh is not a real interpreter though: it is just a wrapper around the system-wide shell defined by ATF_SHELL. atf-sh executes the inter- preter, loads the atf-sh(3) library and then runs the script. You must consider atf-sh to be a POSIX shell by default and thus should not use any non-standard extensions. The following options are available: -s shell Specifies the shell to use instead of the value provided by ATF_SHELL. ENVIRONMENT
ATF_LIBEXECDIR Overrides the builtin directory where atf-sh is located. Should not be overridden other than for testing purposes. ATF_PKGDATADIR Overrides the builtin directory where libatf-sh.subr is located. Should not be overridden other than for testing purposes. ATF_SHELL Path to the system shell to be used in the generated scripts. Scripts must not rely on this variable being set to select a specific interpreter. EXAMPLES
Scripts using atf-sh(3) should start with: #! /usr/bin/env atf-sh Alternatively, if you want to explicitly choose a shell interpreter, you cannot rely on env(1) to find atf-sh. Instead, you have to hardcode the path to atf-sh in the script and then use the -s option afterwards as a single parameter: #! /path/to/bin/atf-sh -s/bin/bash ENVIRONMENT
ATF_SHELL Path to the system shell to be used in the generated scripts. SEE ALSO
atf-sh(3) BSD
September 27, 2014 BSD
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