On Wed, 3 Oct 2001, Matthew Blacklow wrote:
> stuff i dont care about
> Error: 4
> more stuff that doesn't matter
>
> what i need to do is store the number 4 in a variable. Using index i am able
> to search through the string and find how many characters into the array the
> word error begins. The error however can be more than just one character and
> so i need to know how i would capture the next x characters into a variable.
Use a regular expression. Since you know the text to scan is in a
specific pattern (the text 'Error: ', followed by a number of 1 or more
digits), it's easy to create a regular expression for this.
Assuming your program's output is captured into an array by whatever
method you have chosen (piped output into a filehandle, backticks, etc):
my $error_num;
while(@output_arr) {
if(/Error: (\d*)/) { $error_num = $1 }
}
-- Brett
http://www.chapelperilous.net/
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Fortune finishes the great quotations, #6
"But, soft! What light through yonder window breaks?"
It's nothing, honey. Go back to sleep.
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