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Full Discussion: Using foreach with two lists
Top Forums Shell Programming and Scripting Using foreach with two lists Post 302529239 by SimonWhite on Thursday 9th of June 2011 01:25:37 AM
Old 06-09-2011
Check
Is the second example:

Quote:
foreach f (${a}) b (${b})
echo "var1 = " $f
echo "var2 = " $b
end
If so, the output is still:

Code:
ObsID =  914
Bin size =  2000 100 500
ObsID =  3188
Bin size =  2000 100 500
ObsID =  3189
Bin size =  2000 100 500
ObsID =  )
Bin size =  2000 100 500
ObsID =  b
Bin size =  2000 100 500
ObsID =  (
Bin size =  2000 100 500
ObsID =  2000
Bin size =  2000 100 500
ObsID =  100
Bin size =  2000 100 500
ObsID =  500
Bin size =  2000 100 500

Maybe I will need to use a while loop?

---------- Post updated at 02:25 PM ---------- Previous update was at 11:29 AM ----------

Hi,

Thanks for your replies. I've managed to solve the problem by doing the following:

Code:
while ($i<4)

foreach f ($obs_id[$i])
foreach b ($bin[$i])

echo "ObsID = " $f
echo "Bin size " = $b

@ i = $i + 1

end
end 
end

 

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LEARN ABOUT MOJAVE

findbin5.18

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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