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Full Discussion: Using sed to execute multiple commands
Top Forums Shell Programming and Scripting Using sed to execute multiple commands Post 302831253 by exm on Wednesday 10th of July 2013 02:40:57 PM
Old 07-10-2013
Using sed to execute multiple commands
Let's say I have a file called test.out. In this file I want to do the following:
1. Search for DIP-10219 and with this:
2. Remove everything in front of cn=
3. Remove everything after *com
4. Remove duplicate lines
5. Replace ( with \(
6. Replace ) with \)

For 1-3 I have figured out this code:
Code:
sed -rn '/DIP-10219/ s/^.*[^,](cn=.*com).*$/\1/p' test.out

However, I can't figure out how to execeute 4-6 using one sed command. Any thoughts?

Thanks!
 

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LEARN ABOUT FREEBSD

strip

STRIP(1)						    BSD General Commands Manual 						  STRIP(1)

NAME

     strip -- discard information from ELF objects

SYNOPSIS

     strip [-d | -g | -S | --strip-debug] [-h | --help] [--only-keep-debug] [-o outputfile | --output-file=outputfile] [-p | --preserve-dates]
	   [-s | --strip-all] [--strip-unneeded] [-w | --wildcard] [-x | --discard-all] [-I format | --input-target=format]
	   [-K symbol | --keep-symbol=symbol] [-N symbol | --strip-symbol=symbol] [-O format | --output-target=format]
	   [-R sectionname | --remove-section=sectionname] [-V | --version] [-X | --discard-locals] file ...

DESCRIPTION

     The strip utility is used to discard information from ELF objects.

     The strip utility supports the following options:

     -d | -g | -S | --strip-debug
	     Remove debugging symbols only.

     -h | --help
	     Print a help message and exit.

     --only-keep-debug
	     Remove all content except that which would be used for debugging.

     -o outputfile | --output-file=outputfile
	     Write the stripped object to file outputfile.  The default behaviour is to modify objects in place.

     -p | --preserve-dates
	     Preserve the object's access and modification times.

     -s | --strip-all
	     Remove all symbols.

     --strip-unneeded
	     Remove all symbols not needed for further relocation processing.

     -w | --wildcard
	     Use shell-style patterns to name symbols.	The following meta-characters are recognized in patterns:
	     !	   If this is the first character of the pattern, invert the sense of the pattern match.
	     *	   Matches any string of characters in a symbol name.
	     ?	   Matches zero or one character in a symbol name.
	     [	   Mark the start of a character class.
	     	   Remove the special meaning of the next character in the pattern.
	     ]	   Mark the end of a character class.

     -x | --discard-all
	     Discard all non-global symbols.

     -I format | --input-target=format
	     These options are accepted, but are ignored.

     -K symbol | --keep-symbol=symbol
	     Keep the symbol symbol even if it would otherwise be stripped.  This option may be specified multiple times.

     -N symbol | --strip-symbol=symbol
	     Remove the symbol symbol even if it would otherwise have been kept.  This option may be specified multiple times.

     -O format | --output-target=format
	     Set the output file format to format.  For the full list of supported formats, please see the documentation for function
	     elftc_bfd_find_target(3).

     -R sectionname | --remove-section=sectionname
	     Remove the section named by the argument sectionname.  This option may be specified multiple times.

     -V | --version
	     Print a version identifier and exit.

     -X | --discard-locals
	     Remove compiler-generated local symbols.

DIAGNOSTICS

     The strip utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     ar(1), elfcopy(1), ld(1), mcs(1), elf(3), elftc_bfd_find_target(3), fnmatch(3)

BSD
								September 17, 2011							       BSD
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