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Shell Programming and Scripting
echo prints nothing-shell script
Post 302450133 by Corona688 on Wednesday 1st of September 2010 07:29:47 PM
09-01-2010
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LEARN ABOUT SUSE
cgen
fileutil::magic::cgen(n) file utilities fileutil::magic::cgen(n) __________________________________________________________________________________________________________________________________________________ NAME
fileutil::magic::cgen - Generator core for compiler of magic(5) files SYNOPSIS
package require Tcl 8.4 package require fileutil::magic::cgen ?1.0? package require fileutil::magic::rt ?1.0? package require struct::tree package require struct::list ::fileutil::magic::cgen::2tree script ::fileutil::magic::cgen::treedump tree ::fileutil::magic::cgen::treegen tree node _________________________________________________________________ DESCRIPTION
This package provides the generator backend for a compiler of magic(5) files into recognizers based on the fileutil::magic::rt recognizer runtime package. For the compiler frontend using this generator see the package fileutil::magic::cfront. COMMANDS
::fileutil::magic::cgen::2tree script This command converts the recognizer specified by the script into a tree and returns the object command of that tree as its result. It uses the package struct::tree for the tree. The script is in the format specified by magic(5). ::fileutil::magic::cgen::treedump tree This command takes a tree as generated by ::fileutil::magic::cgen::2tree and returns a string encoding the tree for human consump- tion, to aid in debugging. ::fileutil::magic::cgen::treegen tree node This command takes a tree as generated by ::fileutil::magic::cgen::2tree and returns a Tcl script, the recognizer for the file types represented by the sub-tree rooted at the node. The generated script makes extensive use of the commands provided by the recognizer runtime package fileutil::magic::rt to perform its duties. BUGS, IDEAS, FEEDBACK This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category fileutil :: magic of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have for either package and/or documentation. SEE ALSO
file(1), fileutil, magic(5) KEYWORDS
file recognition, file type, file utilities, mime, type fumagic 1.0 fileutil::magic::cgen(n)