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Full Discussion: Help with sed
Top Forums UNIX for Dummies Questions & Answers Help with sed Post 302144297 by Yogesh Sawant on Wednesday 7th of November 2007 06:58:25 AM
Old 11-07-2007
using Perl:
Code:
perl -pi -e 's#,/p yyyy# /p yyyy#;  s#,/u xxxx# /u xxxx#;  s/,,//g;' filename

if yyyy and xxxx do vary sometimes, then you need to adjust the regex accordingly
 

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LEARN ABOUT DEBIAN

txt2regex

TXT2REGEX(1)						      General Commands Manual						      TXT2REGEX(1)

NAME

       txt2regex - a Regular Expression Wizard, written with bash2 builtins

SYNOPSIS

       txt2regex

       txt2regex --nocolor|--whitebg

       txt2regex --all|--prog <p1,p2,...,pN>

       txt2regex --showmeta|--showinfo <program>

       txt2regex --make <target>

       txt2regex --history <value>

DESCRIPTION

       txt2regex is a Regular Expression "wizard", all written with bash2 builtins, that converts human sentences to regexes.

       With  a	simple	interactive  interface,  you  just answer to questions and build your own regex for a large variety of programs, like awk,
       emacs, grep, perl, php, procmail, python, sed and vim. There are more than 20 supported programs.

       It's bash so download and run, no compilation needed.

       Please visit the program homepage at http://txt2regex.sf.net.

OPTIONS

       --all  works with all registered programs

       --help prints the help message and quit

       --history <value>
	      prints to STDOUT a regex from a history data

       --make <target>
	      prints a ready regex for a common pattern

       --nocolor
	      self-explanatory

       --prog <p1,p2,...>
	      choose which programs to use (separated by commas)

       --showinfo <program>
	      prints regex info about the program

       --showmeta
	      prints a complete metachar table for all programs

       --version
	      prints the program version and quit

       --whitebg
	      colors adjusted to white background terminals

       By default, all options are turned OFF. Just call it with no options to launch the default interactive interface.

DETAILS

       --all is cool but requires lots of lines (~35)

       --nocolor is strong, so it kills --whitebg

       --showmeta rules, try it

       --showinfo uses reverse video output, --nocolor turns it off

       --history is getting useful, stay tunned

       --make is a remedy for headaches

       --prog is nice to use your favorite programs, mix it with --make and --history

EXAMPLES

       Calling the program on the default interactive interface
		$ txt2regex

       Calling the program on a white terminal
		$ xterm -fg black -bg white ; txt2regex --whitebg

       Getting information
		$ txt2regex --showmeta

       Getting specific information
		$ txt2regex --showinfo sed

       Calling it for specific programs
		$ txt2regex --prog vim,sed,grep,python

       Applying a history data
		$ txt2regex --history '16421x:01x:'

       Getting ready regexes!
		$ txt2regex --make hour
		$ txt2regex --make number3 --prog perl
		$ txt2regex --make date2 --all

INTERFACE

       The program interface is simple and easy to use. This is its contents:

		+---------------------------------------+
		| -> Top menu				|
		| -> Group menu 			|
		|					|
		| -> Regexes of the programs selected	|
		|    ...				|
		|    ...				|
		|					|
		| -> History				|
		| -> Your prompt			|
		|					|
		| -> The question			|
		| -> The answers			|
		|    ...				|
		|    ...				|
		+---------------------------------------+

       All the basic commands can be used on the numeric pad on the keyboard, but remember to turn ON the NumLock key.

						     Command   Description
							.      Quit the program (with confirmation)
							0      Reset the Regular Expression
						       1-9     Answers the questions
							*      Toggles color ON/OFF
							/      Add/remove programs on/from the list
							|      Insert an alternation (where allowed)
							(      Open a new group (where allowed)
							)      Close the opened group (if any)

BUGS

       Bug reports and contributions are VERY welcome!	Please send them to the author.

AUTHOR

       Written and maintained by Aurelio Marinho Jargas <verde@aurelio.net>

COPYRIGHT

       Copyright (C) 2000, 2001, 2002, 2003, 2004 Aurelio Marinho Jargas

       This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A  PARTICU-
       LAR PURPOSE.

							      September, 28th - 2004						      TXT2REGEX(1)
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