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Full Discussion: bad substitution
Top Forums UNIX for Dummies Questions & Answers bad substitution Post 302486876 by Muhammad Rahiz on Monday 10th of January 2011 02:12:16 PM
Old 01-10-2011
bad substitution

Code:
#!/bin/bash

a1=( win 12,01,02,03,04 )
a2=( pre 04,05,06 )
a3=( msn 06,07,08,09 )

Given the above arrays, I want the script to return/echo the following in a loop;
Code:
win
12,01,02,03,04

pre
04,05,06,07

msn
06,07,08,09

But I can't get it to do as such.

I've tried;

Code:
for i in `seq 1 3`; do
  echo ${a$i[0]}
  echo ${a$i[1]}
done

But I get the following error
Code:
./xxx.sh: line 9: ${a$i[0]}: bad substitution

How can I rectify the problem?

Last edited by Scott; 01-11-2011 at 01:07 PM.. Reason: Please use code tags
 

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Graphics::Primitive::Insets(3pm)			User Contributed Perl Documentation			  Graphics::Primitive::Insets(3pm)

NAME
Graphics::Primitive::Insets - Space between things DESCRIPTION
Graphics::Primitive::Insets represents the amount of space that surrounds something. This object can be used to represent either padding or margins (in the CSS sense, one being inside the bounding box, the other being outside) SYNOPSIS
use Graphics::Primitive::Insets; my $insets = Graphics::Primitive::Insets->new({ top => 5, bottom => 5, left => 5, right => 5 }); METHODS
Constructor new Creates a new Graphics::Primitive::Insets. Instance Methods as_array Return these insets as an array in the form of top, right, bottom and left. bottom Set/Get the inset from the bottom. equal_to Determine if these Insets are equal to another. left Set/Get the inset from the left. right Set/Get the inset from the right. top Set/Get the inset from the top. zero Sets all the insets (top, left, bottom, right) to 0. AUTHOR
Cory Watson, "<gphat@cpan.org>" SEE ALSO
perl(1) COPYRIGHT &; LICENSE Copyright 2008-2010 by Cory G Watson. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.12.3 2010-08-21 Graphics::Primitive::Insets(3pm)
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