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Old 06-15-2009, 09:04 AM   #1
sunilvadranapu
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Registered: May 2006
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parse comma delimited text string


in shell script, I need to know how to get from one comma delimited
text string to many strings.

from this:

main_string = "onE,Two,Three , fouR,five, six "

to these:

string1 = "one"
string2 = "two"
string3 = "three"
string4 = "four"
string5 = "five"
string6 = "six"


how to implement this in shell scipt? can anyone help?
 
Old 06-15-2009, 09:40 AM   #2
weibullguy
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Not pretty, hopefully it'll help you started.
Code:
#~/bin/sh

string="onE,Two,Three , fouR,five, six "

string1=$(echo $string | cut -f1 -d ',')
string2=$(echo $string | cut -f2 -d ',')
string3=$(echo $string | cut -f3 -d ',')
string4=$(echo $string | cut -f4 -d ',')
string5=$(echo $string | cut -f5 -d ',')
string6=$(echo $string | cut -f6 -d ',')

exit 0
 
Old 06-15-2009, 09:55 AM   #3
forrestt
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You really probably want to use arrays instead of strings.

Code:
#/bin/sh

main_string='onE,Two,Three , fouR,five, six'

COUNTER1=1

for NUMBER in `echo ${main_string} | sed -e 's/[, ]\+/\n/g' -e 's/\(.*\)/\L\1/'` ; do
        string[$COUNTER]=${NUMBER}
        let COUNTER1=COUNTER1+1
done

COUNTER2=1

while [ ${COUNTER2} -lt ${COUNTER1} ] ; do
        echo "string[${COUNTER2}] = ${string[${COUNTER2}]}"
        let COUNTER2=COUNTER2+1
done
HTH

Forrest
 
Old 06-15-2009, 10:06 AM   #4
ghostdog74
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there is no need to use so many cuts as in one of the example solution, and depending on what you want to do, sometimes, there's no need to use arrays. anyway, in bash
Code:
main_string="onE,Two,Three , fouR,five, six "
IFS=","
set -- $main_string
echo $1
echo $2 # and so on
personally, i prefer awk
Code:
echo $main_string | awk -F"," '{print $1, $2 ...}'
 
Old 06-16-2009, 12:05 AM   #5
sunilvadranapu
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Registered: May 2006
Posts: 64

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Hi forrestt,
thanks for your quick reply. your code suited exactly for my requirement. thanks you very much.


-SUN
 
  


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