On 1/17/2007, Alberto Cristancho said:
I'm a definite newbie to grep, so any help would be very much appreciated...
Grep doesn't do math by itself, you'll need to use a scripting language.
Here's a perl script that seems to do the trick...
#!/usr/bin/perl
use strict;
my $text;
{
local $/;
$text = <>;
}
$text =~ s{
(<num>)
\s*
(\d+)
\s*
(</num>)
}
{
$1 . ( $2 + 2 ) . $3;
}egmx;
print $text;
0;
(Warning: tested only very briefly.)
Seth
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