Beefy Boxes and Bandwidth Generously Provided by pair Networks
"be consistent"

rewinding an input filehandle

by Anonymous Monk
on Jul 28, 2005 at 19:16 UTC ( #479097=perlquestion: print w/ replies, xml ) Need Help??
Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question:

Fellow Monks!
How do I rewind an input filehandle without having to close and reopen it?


Comment on rewinding an input filehandle
Re: rewinding an input filehandle
by ketema (Scribe) on Jul 28, 2005 at 19:23 UTC
    I think perldoc -f seek
    should help you out
Re: rewinding an input filehandle
by chas (Priest) on Jul 28, 2005 at 19:30 UTC
    You can use seek, e.g. seek F,0,0 to reset to the beginning of the file.
Re: rewinding an input filehandle
by mugwumpjism (Hermit) on Jul 29, 2005 at 00:42 UTC

    There is also IO::Handle::ungetc for small rewinds on streams.

    $h=$ENV{HOME};my@q=split/\n\n/,`cat $h/.quotes`;$s="$h/." ."signature";$t=`cat $s`;print$t,"\n",$q[rand($#q)],"\n";

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: perlquestion [id://479097]
Approved by Tanalis
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others making s'mores by the fire in the courtyard of the Monastery: (9)
As of 2015-03-03 13:09 GMT
Find Nodes?
    Voting Booth?

    When putting a smiley right before a closing parenthesis, do you:

    Results (71 votes), past polls