Find a parttern in a Variable

[alhassani54]

I have a variable as rec. rec will contain one or many of UNB possibly

rec=UNB123456789UNB2234567890UNB32345UNB4234567UNB52
I would like to change it to
rec1=UNB123456789
rec2=UNB2234567890
rec3=UNB32345
rec4=UNB4234567
rec5=UNB52

Tried to use regular expression but I could not get it right.
rec1=${rec%UNB*}
print $rec1
UNB123456789UNB2234567890UNB32345UNB4234567

I would like to use unix regular expresion.

Thanks

 

[Ogzilal]

Hi,

Try this work around :

echo $rec |awk -F"UNB" '{split($0,t);for (i=2;i <= NF;i++) print "rec"i-1"=UNB"t[i]}'

You redirect the outpout to a file if you want to keep trace and then source it in your script.

 

[Annihilannic]

How about:

rec=UNB123456789UNB2234567890UNB32345UNB4234567UNB52
set -- `echo $rec | sed 's/UNB/ UNB/g'`
rec1=$1
rec2=$2
rec3=$3
rec4=$4
rec5=$5

Annihilannic.

 

[columb]

I like Annihilanic's sed statement. If you don't know how many bits you're going to get you could use an array

#!/bin/ksh

set -A arr $(echo $rec | sed 's/UNB/ UNB/g')
kount=0
while [[ $kount -lt ${#arr[@]} ]]
do
  echo "rec$(expr $kount + 1)  = ${arr[$kount]}"
  (( kount += 1 ))
done

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Columb Healy