09-24-2010
sed to find pattern and delete line before and after
I have the following file:
line1
line2
MATCH
line3
line4
I need to find the pattern, "MATCH" and delete the line before and after MATCH. So the result should be
line1
MATCH
lline4
I have to use sed because it is the only utility that is common across my environments. I found the following sed command but it does not print the last line of the file.
sed -i.bak -n -e'1h' -e'1!H' -e '/MATCH/{p;n;n;h;d}' -e 1b -e 'x;P' filename
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LEARN ABOUT X11R4
fc-match
FC-MATCH(1) FC-MATCH(1)
NAME
fc-match - match available fonts
SYNOPSIS
fc-match [ -svV? ] [ --sort ] [ --verbose ] [ --version ] [ --help ] [ font-pattern ]
DESCRIPTION
fc-match matches font-pattern (empty pattern by default) using the normal fontconfig matching rules to find the best font available. If
--sort is given, the sorted list of best matching fonts is displayed. With --verbose, the whole font pattern for each match is printed,
otherwise only the file, family and style 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.
-v --verbose
Print whole font pattern for each match.
-? --help
Show summary of options.
-V --version
Show version of the program and exit.
-s --sort
Displays sorted list of best matching fonts.
font-pattern
Displays fonts matching font-pattern (uses empty pattern by default).
SEE ALSO
fc-list (1).
The fontconfig user's guide, in HTML format: /usr/share/doc/fontconfig/fontconfig-user.html.
AUTHOR
This manual page was updated by Patrick Lam <plam@csail.mit.edu>.
05 May 2008 FC-MATCH(1)