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Operating Systems Linux Red Hat Parsing a linux file and formatting it. Post 302491875 by DGPickett on Friday 28th of January 2011 02:15:47 PM
Old 01-28-2011
Narrative: Get rid of empty lines, remove any trailing ^C, branch conditionally to next line to clear t flag, substitute to make a leading line of the request id and first text, replacing the request id on the second line before the second text. If that substitute fired, print the first line, remove it from the buffer and try the substitute again. If not, branch to end, which prints the buffer.
Code:
sed '
  /|$/d
  s/^C$//
  t n
  :n
  s/^\(\([^|]*|\)[^^C]*\)^C/\1\
\2/
  t p
  b
  :p
  P
  s/.*\n//
  t n
 '

 

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GIT-STRIPSPACE(1)						    Git Manual							 GIT-STRIPSPACE(1)

NAME
git-stripspace - Remove unnecessary whitespace SYNOPSIS
git stripspace [-s | --strip-comments] < input DESCRIPTION
Clean the input in the manner used by Git for text such as commit messages, notes, tags and branch descriptions. With no arguments, this will: o remove trailing whitespace from all lines o collapse multiple consecutive empty lines into one empty line o remove empty lines from the beginning and end of the input o add a missing to the last line if necessary. In the case where the input consists entirely of whitespace characters, no output will be produced. NOTE: This is intended for cleaning metadata, prefer the --whitespace=fix mode of git-apply(1) for correcting whitespace of patches or files in the repository. OPTIONS
-s, --strip-comments Skip and remove all lines starting with comment character (default #). -c, --comment-lines Prepend comment character and blank to each line. Lines will automatically be terminated with a newline. On empty lines, only the comment character will be prepended. EXAMPLES
Given the following noisy input with $ indicating the end of a line: |A brief introduction $ | $ |$ |A new paragraph$ |# with a commented-out line $ |explaining lots of stuff.$ |$ |# An old paragraph, also commented-out. $ | $ |The end.$ | $ Use git stripspace with no arguments to obtain: |A brief introduction$ |$ |A new paragraph$ |# with a commented-out line$ |explaining lots of stuff.$ |$ |# An old paragraph, also commented-out.$ |$ |The end.$ Use git stripspace --strip-comments to obtain: |A brief introduction$ |$ |A new paragraph$ |explaining lots of stuff.$ |$ |The end.$ GIT
Part of the git(1) suite Git 1.8.3.1 06/10/2014 GIT-STRIPSPACE(1)
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