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Full Discussion: How to make dynamic variable names for use in while loop?
Top Forums Shell Programming and Scripting How to make dynamic variable names for use in while loop? Post 302772751 by phpchick on Tuesday 26th of February 2013 04:26:48 PM
Old 02-26-2013
How to make dynamic variable names for use in while loop?
Code:
i=0
while [ $i -lt $numberofproducts]
do

sizesfor0=`cat 16 | grep 'pickSize' -A 1 | grep '_sz' | cut -d'_' -f1`
sizesfor0=${sizesfor0//id=\"lll/:}
IFS=: array0=( $sizesfor0 )
echo ${array0[1]}
 i=$(( $i + 1 ))

done

So, right now I have two variables in the while statement above

sizesfor0 and array0

The above statement works, but it is hard-coded with the 0 suffix, how does one turn the above variables into sizesfor$i and array$i so that I can add 1 after each iteration to make the while loop functional?

I've tried doing exactly that, (changing to sizesfor$i and array$i) but there are compatibility issues.
Last edited by phpchick; 02-26-2013 at 05:38 PM..
 

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lzfgrep

XZGREP(1)							     XZ Utils								 XZGREP(1)

NAME

       xzgrep - search compressed files for a regular expression

SYNOPSIS

       xzgrep [grep_options] [-e] pattern file...
       xzegrep ...
       xzfgrep ...
       lzgrep ...
       lzegrep ...
       lzfgrep ...

DESCRIPTION

       xzgrep  invokes	grep(1)  on  files  which may be either uncompressed or compressed with xz(1), lzma(1), gzip(1), or bzip2(1).  All options
       specified are passed directly to grep(1).

       If no file is specified, then the standard input is decompressed if necessary and fed  to  grep(1).   When  reading  from  standard  input,
       gzip(1) and bzip2(1) compressed files are not supported.

       If  xzgrep  is  invoked as xzegrep or xzfgrep then egrep(1) or fgrep(1) is used instead of grep(1).  The same applies to names lzgrep, lze-
       grep, and lzfgrep, which are provided for backward compatibility with LZMA Utils.

ENVIRONMENT

       GREP   If the GREP environment variable is set, xzgrep uses it instead of grep(1), egrep(1), or fgrep(1).

SEE ALSO

       grep(1), xz(1), gzip(1), bzip2(1), zgrep(1)

Tukaani 							    2009-07-05								 XZGREP(1)
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