The tell function returns the current byte position of a filehandle. : tell « File « Perl






  1. Perl
  2. File
  3. tell

The tell function returns the current byte position of a filehandle.

    

#Format

#tell (FILEHANDLE);
#tell FILEHANDLE;
#tell;

open(PASSWD, "/etc/passwd") || die "Can't open: $!\n";
while ( chomp($line = <PASSWD>) ){
    if ( $line =~ /sync/){
       $current = tell;
       print "---$line---\n";
    }
}
printf "The position returned by tell is %d.\n", $current;
seek(PASSWD, $current, 0);
while(<PASSWD>){
    print;
}








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