Server IP : 85.214.239.14 / Your IP : 13.58.245.158 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/2/cwd/usr/share/perl5/ |
Upload File : |
;# Usage: &look(*FILEHANDLE,$key,$dict,$fold) # # This library is no longer being maintained, and is included for backward # compatibility with Perl 4 programs which may require it. # # In particular, this should not be used as an example of modern Perl # programming techniques. # ;# Sets file position in FILEHANDLE to be first line greater than or equal ;# (stringwise) to $key. Pass flags for dictionary order and case folding. sub look { local(*FH,$key,$dict,$fold) = @_; local($max,$min,$mid,$_); local($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime, $blksize,$blocks) = stat(FH); $blksize = 8192 unless $blksize; $key =~ s/[^\w\s]//g if $dict; $key = lc $key if $fold; $max = int($size / $blksize); while ($max - $min > 1) { $mid = int(($max + $min) / 2); seek(FH,$mid * $blksize,0); $_ = <FH> if $mid; # probably a partial line $_ = <FH>; chop; s/[^\w\s]//g if $dict; $_ = lc $_ if $fold; if ($_ lt $key) { $min = $mid; } else { $max = $mid; } } $min *= $blksize; seek(FH,$min,0); <FH> if $min; while (<FH>) { chop; s/[^\w\s]//g if $dict; $_ = lc $_ if $fold; last if $_ ge $key; $min = tell(FH); } seek(FH,$min,0); $min; } 1;