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Old 12-06-2007, 09:02 AM   #1
jgrfilho
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Registered: Dec 2007
Posts: 1

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awk question about BEGIN patttern


I have a awk script with the following BEGIN pattern

BEGIN { upper = "PNBRQK"
lower = "pnbrqk"
getline < "lance1.tmp"
cor = substr($0,77,1)
}

I ca use cor inside other patterns when I run the script over lance1.tmp but I woul like to use it when I run the script over other files. How can I do that.

Thanks in advance for any help

Gaspar
 
Old 12-06-2007, 06:40 PM   #2
cmnorton
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Registered: Feb 2005
Distribution: Ubuntu, CentOS
Posts: 585

Rep: Reputation: 35
Use ARGV and ARGC

awk -f your-script.awk name-of-file-to-process

BEGIN { upper = "PNBRQK"
lower = "pnbrqk"
getline < ARGV[1]
cor = substr($0,77,1)
}

ARGV[0] contains "awk"

Use ARGC to see that you have two parameters, one for "awk" and one for your file name.
 
  


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