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associate array problems in awk


 
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# 1  
Old 10-31-2007
associate array problems in awk

hi,
i have 3 fields in a file and linked them through 2 associative arrays.. the problem is one of the associative array is working while the other is not.. the code part is:
awk ' BEGIN {
FS="|"
rc = getline < "ICX_RULES"

while ( rc == 1 )
{
rule_id=$1
rule_parameter=$2
rule_length=$3
lengthofCallingNumber[rule_length]=rule_parameter
ruleCondition[rule_parameter]=rule_id
print lengthofCallingNumber[10]
print ruleCondition[044]
rc = getline < "ICX_RULES"
}

}

a sample of the file "ICX_RULES" is :
ICX-1|044|13
ICX-2|X1|10

although print lengthofCallingNumber[10] is giving result as: X1
but, print ruleCondition[044] is not yeilding any result.
please help, and please avoid use of if condition as a part of your solution
# 2  
Old 10-31-2007
Try this way:

Code:
awk -F\| '
{
rule_id=$1
rule_parameter=$2
rule_length=$3
lengthofCallingNumber[rule_length]=rule_parameter
ruleCondition[rule_parameter]=rule_id
}
END{
print lengthofCallingNumber[10]
print ruleCondition[044]
}' ICX

# 3  
Old 10-31-2007
Indexes are take as strings, so you must use the following syntax :
Code:
print ruleCondition["044"]

When you want to force integer indexes, you can do :
Code:
lengthofCallingNumber[rule_length+0]=rule_parameter

Another way to code your awk program :
Code:
awk -F\| '

NR==FNR {
   rule_id        = $1
   rule_parameter = $2
   rule_length    = $3

   lengthofCallingNumber[rule_length] = rule_parameter
   ruleCondition[rule_parameter]      = rule_id

   next
}

{
  # Proceed record from other_file
}

END {
   print lengthofCallingNumber[10]
   print ruleCondition["044"]
}

' ICX_RULES other_file

Jean-Pierre.

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