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Full Discussion: Error in for loop
Top Forums Shell Programming and Scripting Error in for loop Post 302899728 by Kanja on Thursday 1st of May 2014 08:05:16 AM
Old 05-01-2014
the numbers that I am trying to import into the perl script is using @ARGV. So these parameter (i, i and j) are user provided. I don't think there is any problem in the perl script. Just have to get the 3 parameters after perl script.pl

---------- Post updated at 08:05 AM ---------- Previous update was at 07:57 AM ----------

@ CarloMThe output of
Code:
for i in 1 10 
do
for j in 2 12 

do
 echo perl  script.pl "$i" "$i" "$j"
done
done

id
Code:
perl  script.pl 1 1 2
perl  script.pl 1 1 12
perl  script.pl 10 10 2
perl  script.pl 10 10 12

 

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LEARN ABOUT MOJAVE

findbin

FindBin(3pm)						 Perl Programmers Reference Guide					      FindBin(3pm)

NAME

       FindBin - Locate directory of original perl script

SYNOPSIS

	use FindBin;
	use lib "$FindBin::Bin/../lib";

	or

	use FindBin qw($Bin);
	use lib "$Bin/../lib";

DESCRIPTION

       Locates the full path to the script bin directory to allow the use of paths relative to the bin directory.

       This allows a user to setup a directory tree for some software with directories "<root>/bin" and "<root>/lib", and then the above example
       will allow the use of modules in the lib directory without knowing where the software tree is installed.

       If perl is invoked using the -e option or the perl script is read from "STDIN" then FindBin sets both $Bin and $RealBin to the current
       directory.

EXPORTABLE VARIABLES

	$Bin	     - path to bin directory from where script was invoked
	$Script      - basename of script from which perl was invoked
	$RealBin     - $Bin with all links resolved
	$RealScript  - $Script with all links resolved

KNOWN ISSUES

       If there are two modules using "FindBin" from different directories under the same interpreter, this won't work. Since "FindBin" uses a
       "BEGIN" block, it'll be executed only once, and only the first caller will get it right. This is a problem under mod_perl and other
       persistent Perl environments, where you shouldn't use this module. Which also means that you should avoid using "FindBin" in modules that
       you plan to put on CPAN. To make sure that "FindBin" will work is to call the "again" function:

	 use FindBin;
	 FindBin::again(); # or FindBin->again;

       In former versions of FindBin there was no "again" function. The workaround was to force the "BEGIN" block to be executed again:

	 delete $INC{'FindBin.pm'};
	 require FindBin;

AUTHORS

       FindBin is supported as part of the core perl distribution. Please send bug reports to <perlbug@perl.org> using the perlbug program
       included with perl.

       Graham Barr <gbarr@pobox.com> Nick Ing-Simmons <nik@tiuk.ti.com>

COPYRIGHT

       Copyright (c) 1995 Graham Barr & Nick Ing-Simmons. All rights reserved.	This program is free software; you can redistribute it and/or
       modify it under the same terms as Perl itself.

perl v5.18.2							    2013-11-04							      FindBin(3pm)
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