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Full Discussion: Pattern searching pattern in c files
Top Forums Shell Programming and Scripting Pattern searching pattern in c files Post 302146059 by Franklin52 on Friday 16th of November 2007 05:09:54 PM
Old 11-16-2007
Quote:
Code:
sed -n '/\/\//d; /\/\*/d ; /\*\//d ;/\//p' hello.c

This doesn't work if you have lines like:

Code:
a=30/6;	/* Comment */
a=10/2;	// comment

Try this:

Code:
sed -n '/[0-9a-zA-Z] *\/ *[0-9a-zA-Z]*/p' file.c

Regards
 

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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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