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Full Discussion: Array in Ksh
Special Forums UNIX and Linux Applications Array in Ksh Post 302671073 by bakunin on Friday 13th of July 2012 04:24:00 AM
Old 07-13-2012
Quote:
Originally Posted by jeanzibbin
My question about something like two dimensional array.
For the ksh language there are no "two-dimensional arrays", hence there are no language devices to handle them. What you try to do is to emulate such a behavior by using part of the name of a variable as index. This is possible but as complicated and limited in its functionality as it sounds.

You will need to use the "eval" keyword for these lines because all the variables are evaluated at the same time and the variables containing the arrays names have to be evaluated before.

Code:
typeset -a A1 1 7 13 19
typeset -a A2 2 8 14 20
typeset -a A3 3 9 15 21
typeset -i ArrIdx=1
typeset -i Idx=1

(( ArrIdx = 1 ))
while [ $ArrIdx -le 3 ] ; do
     eval print - "Array A$ArrIdx is \"\${A$ArrIdx[*]}\""   # this is how to address the whole array
     eval print - "Element $Idx is  \"\${A$ArrIdx[\$Idx]}\""   # this is how to address a single element
     (( ArrIdx += 1 ))
done

I hope this helps.

bakunin
 

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echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.11 3 Aug 1994 echo(1B)
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