Replacing values in a file

Original Message

Name: amit4g
Date: February 1, 2007 at 00:20:04 Pacific
Subject: Replacing values in a file
OS: hp-ux(11.23)
CPU/Ram: PA
Model/Manufacturer: PA

Comment:

Hi,
how do we change a variable's value in a file?
e.g.
$ cat <file1>
AGE=1
bla bla...........
i need to change the value of variable "AGE" to a newvalue(let's say "0")
Thanks,
Amit

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Response Number 1

Name: nails
Date: February 1, 2007 at 19:35:46 Pacific

Reply: (edit)

Hi:
We've been talking about gres:
http://www.computing.net/unix/wwwbo...
# gres
pattern=$1
replacement=$2
A="`echo | tr '\012' '\001' `"
sed -e "s$A$pattern$A$replacement$A" $3
# end script
Here is an example
gres "Age=0" "Age=1" filename

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