one more simple Q...
After opening the file ,
How to read a file line by line.......................sample code
Thax in advance.............
waiting for replies.........................
----- Original Message -----
From: Jeff 'japhy' Pinyan <[EMAIL PROTECTED]>
To: Rahul Garg <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Monday, July 16, 2001 6:10 PM
Subject: Re: Parsing of a File and SEARCH ...........HELP!!!!!!!!!!!!!
> On Jul 16, Rahul Garg said:
>
> >1)I want to look out for a particular string in a file.
> > Actually there is only one strng in each line of a file.
> > How to search for it.............sample code........as i am new to
syntax of perl
>
> For just finding ONE string in ANOTHER string, the index() function is all
> you need.
>
> my $pos = index("jeffrey", "fre"); # 3
> my $pos = index("jeffrey", "jeff"); # 0
> my $pos = index("jeffrey", "free"); # -1
>
> As you can see, the function returns -1 on failure. Please read the docs
> for the function:
>
> perldoc -f index
>
> >2)I want to look out for a particular part(match) in a string in a file.
> > Actually there is only one string in each line of a file.
>
> You need to open the file, and go through it, line by line, executing the
> index function on the line.
>
> while (<FILE>) {
> if (index($_, $word) > -1) {
> # $word was found somewhere in $_
> }
> }
>
> Learn how to work with files:
>
> perldoc perlopentut
> perldoc -f open
>
> --
> Jeff "japhy" Pinyan [EMAIL PROTECTED] http://www.pobox.com/~japhy/
> I am Marillion, the wielder of Ringril, known as Hesinaur, the Winter-Sun.
> Are you a Monk? http://www.perlmonks.com/ http://forums.perlguru.com/
> Perl Programmer at RiskMetrics Group, Inc. http://www.riskmetrics.com/
> Acacia Fraternity, Rensselaer Chapter. Brother #734
> ** Manning Publications, Co, is publishing my Perl Regex book **
>
>
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