The seek Function randomly accesses a file. : file seek « File « Perl






  1. Perl
  2. File
  3. file seek

The seek Function randomly accesses a file.

    

#Format: seek(FILEHANDLE, OFFSET, POSITION);

#POSITION
#0   =   Beginning of file
#1   =   Current position in file
#2   =   End of file

open(PASSWD, "/etc/passwd") || die "Can't open: $!\n";
while ( chomp($line = <PASSWD>) ){
   print "---$line---\n" if $line =~ /root/;
}
seek(PASSWD, 0, 0) || die "$!\n"; 
while(<PASSWD>){print if /ellie/;}
close(PASSWD);








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