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Full Discussion: Perl + pack() + spaceing question
Top Forums Shell Programming and Scripting Perl + pack() + spaceing question Post 29245 by Optimus_P on Wednesday 2nd of October 2002 10:03:33 AM
Old 10-02-2002
and the answer lies within
Code:
        elsif ($_ =~ /^33/ ) {
                $pad="         $jackpot[$COUNT][2].00";
                $aqty=pack A12, substr($pad,-12,12) ;
                substr($_,92,12)="${aqty}";
                print FILEOUT "$_\n";
        $COUNT++;
       }

 

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LEARN ABOUT DEBIAN

ha

ha(1)								    HA archiver 							     ha(1)

NAME

       ha - a small file archiver utility

SYNOPSIS

       ha <command>[<option><option>...]  archive [ name ...  ]

DESCRIPTION

       After the program name comes a command name (single letter) and options (single letters, appended to the command name without a space).

COMMANDS

       a[sdqemr012]
	      Add files matching search pattern to archive.

       e[aqty]
	      Extract files matching search pattern from archive.

       x[aqty]
	      Extract files matching search pattern from archive using path information stored in archive.

       l[f]   List files currently in archive.

       d[q]   Delete files matching search pattern from archive.  If archive does not contain any files after deletion it is removed.

       f[sdqemr012]
	      Freshen files in archive. All files matching search pattern and newer than version already in archive are updated to archive.

       u[sdqemr012]
	      Update  files to archive. All files matching search pattern that are newer than version already in archive or are not yet in archive
	      are updated to archive.

       t[q]   Test files in archive.

OPTIONS

       0,1,2  Try compression method #. More than one can be specified.

	      Methods are:
		0-CPY  Simple copying of files.
		1-ASC Default method using sliding window dictionary followed by arithmetic
		      coder. Offers quite good compression on wide variety of file types.
		2-HSC Compression method based on finite context model and arithmetic
		      coder. Quite slow for binary data, but offers very good compression
		      especially for longer text files.

       y      Assume answer yes on all questions.

       t      Touch files when extracting. Sets file times to current machine time.

       r      Recurse through subdirectories while searching for files matching search pattern.

       f      Full listing of stored file information.

       m      Move files when archiving. Files are removed from disk after they are successfully written to archive.

       a      Set system specific file attributes when extracting files.

       s      Find special files when archiving.

       e      Do not store pathname information.

       q      Quiet operation.

       d      Make separate entries for directories. Saves information about empty directories, directory attributes etc. in archive.

AUTHOR

       This manual page was written by Mikhail Gusarov <dottedmag@dottedmag.net> for Debian GNU/Linux system (but may be used by others).

ha 0.999p							    3 Jul 2008								     ha(1)
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