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Top Forums Shell Programming and Scripting Deleting lines above the patterns Post 302705147 by pamu on Monday 24th of September 2012 10:21:15 AM
Old 09-24-2012
Quote:
Originally Posted by razen
I want to delete 1 line above the paatern and 3 line below the pattern and the pattern line itself, on the whole 5 lines. If there are three patterns what to do and the final text file to be captured in a new file.
Please provide input details so somebody can help you out...

try this..(replace pattern with your pattern)

Code:
awk '{if ($0 !~ /pattern/){s=$0;getline;if($0 ~ /pattern/){getline;getline;getline}else{print s"\n"$0}}}' file

 

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FC-PATTERN(1)															     FC-PATTERN(1)

NAME
fc-pattern - parse and show pattern SYNOPSIS
fc-pattern [ -cdVh ] [ --config ] [ --default ] [ [ -f format ] [ --format format ] ] [ --version ] [ --help ] [ pattern [ element... ] ] DESCRIPTION
fc-pattern parses pattern (empty pattern by default) and shows the parsed result. If --config is given, config substitution is performed on the pattern before being displayed. If --default is given, default substitution is performed on the pattern before being displayed. If any elements are specified, only those are printed. OPTIONS
This program follows the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. -c Perform config substitution on pattern. -d Perform default substitution on pattern. -f Format output according to the format specifier format. -V Show version of the program and exit. -h Show summary of options. pattern Parses and displays pattern (uses empty pattern by default). element If set, the element property is displayed for parsed pattern. SEE ALSO
FcNameParse(3) FcConfigSubstitute(3) FcDefaultSubstitute(3) FcPatternPrint(3) FcPatternFormat(3) fc-cat(1) fc-cache(1) fc-list(1) fc- match(1) fc-query(1) fc-scan(1) The fontconfig user's guide, in HTML format: /usr/share/doc/fontconfig/fontconfig-user.html. AUTHOR
This manual page was updated by Behdad Esfahbod <behdad@behdad.org>. Apr 20, 2010 FC-PATTERN(1)
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