Re: loop through records

[Chris F.A. Johnson]

On Wed, 11 Mar 2009, OnTheEdge wrote:

All, I'm trying to figure out how to loop through an array of records (if
possible) and reference fields in that record, but I've only been able to
reference the entire array (array[0]) or when assigned with parens, there is
no concept of a row...

#!/bin/bash

array1="187431346 0323 mirrored 11866
187431346 0324 mirrored 11866
187431346 0325 mirrored 11866
187431346 0326 mirrored 11866"

      That is not an array; it is a scalar variable.

      To assign it to an array:

array1=( "187431346 0323 mirrored 11866"
 "187431346 0324 mirrored 11866"
 "187431346 0325 mirrored 11866"
 "187431346 0326 mirrored 11866"
)

element_count1=${#array1[*]}
echo $element_count1

number_of_elements=${#arra...@]}

echo '- ARRAY-1--------------------------------'

for REC in "${array1[*]}"
do
 echo "Field 1: ${REC[0]}  Field 2: ${REC[1]}"
done

I would like to see something like this:
Field 1: 187431346   Field 2: 0323
Field 1: 187431346   Field 2: 0324
Field 1: 187431346   Field 2: 0325
Field 1: 187431346   Field 2: 0326

set -f  ## Prevent pathname expansion, (not necessary in this example)
for REC in "${arra...@]}"
do
  set -- $REC
  printf "Field 1: %s  Field 2: %s\n" "$1" "$2"
done

--
   Chris F.A. Johnson, webmaster         <http://woodbine-gerrard.com>
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