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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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MSNSETUP(2)						       msnsetup User Manual						       MSNSETUP(2)

NAME
msnsetup - An interactive program to setup msn accounts to use with the msn utility. SYNOPSIS
msnsetup [profilename] DESCRIPTION
This manual page documents briefly the msnsetup command. This manual page was written for the Debian distribution because the original program does not have a manual page. msnsetup is a program delivered with the msn utility. It is used to interactively configure the account to be used with msn. The program can optionally take one parameter which is the name of the profile where you want to store your account information. This is particularly useful when you want to have more than one account configured, and then you can choose which profile to use with the msn utility. FILES
${HOME}/.msn/msnrc The default configuration file for the account information, stored by msnsetup. ${HOME}/.msn/msnrc-{profilename} The configuration file for a specific profile name that stores that account information, chosen by the user and stored by msnsetup. BUGS
The program is currently limited to only work with the msn utility. SEE ALSO
msn(2) AUTHOR
Julia Palandri <julia.palandri@gmail.com> Wrote this manpage for the Debian system. COPYRIGHT
Copyright (C) 2011 Julia Palandri This manual page was written for the Debian system (and may be used by others). Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or (at your option) any later version published by the Free Software Foundation. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL. msnsetup 12/18/2011 MSNSETUP(2)
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