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Top Forums Shell Programming and Scripting Facing issues with shell script changes Post 303026251 by Corona688 on Thursday 22nd of November 2018 10:25:25 AM
Old 11-22-2018
Basically never use options like -i as they have lots of unfortunate side effects, like changing file ownerships and permissions besides destroying your original input if anything goes wrong. It's not worth it just to make a pretty one-liner.

Code:
awk 'NR==1 { sub(OLD, NEW); }; 1' OLD="xxyxx" NEW="XXYXX" inputfile > outputfile
# Uncomment these once you've tested awk does what you want.
# cat outputfile > inputfile
# rm -f outputfile


Last edited by Corona688; 11-22-2018 at 11:46 AM..
 

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roffit(1)							   roffit Manual							 roffit(1)

NAME
roffit - convert nroff to HTML SYNOPSIS
roffit [options] < inputfile > outputfile DESCRIPTION
roffit converts the inputfile to outputfile. The inputfile must be an nroff formatted man page, and the outputfile will be an HTML docu- ment. OPTIONS
--bare The output HTML will not include any HTML, HEAD or BODY tags. Also not that when this is selected, there will be no inlined CSS but you will have to define the necessary classes yourself. --version Display version number and exit --mandir=<dir> Set a directory in which roffit will check for other man pages (in nroff [name].[num] format) that this one refers to. If found, a <a href> link will be made to that page with a html extension instead of the number. The file name in the generated link will be prefixed by the dir given with --hrefdir. This works for references specified as manpage(3) (within the emhpasis foformatting) and in a plain .BR section (often used in the SEE ALSO section). --hrefdir=<dir> Specify a directory to prefix generated href links created with the --mandir option. This defaults to ".". CSS CLASSES
h2.nroffsh The nroff ".SH" section. These are normally the "headlines" before each sub section within the man page. p.nroffip The nroff ".IP" section. These are normally the bullet kind used to list each option out of several in a list. Usually followed by a p.level0 containining the descriptive text. p.level0 Normal text at the first level. Normally not indented. p.level1 Text at next logical indent level. Normally indented one level right. p.level2 Text at the second logical indent level. Normally indented two levels right. span.bold Text marked to be bold. span.manpage Text marked as a reference to another man page. span.emphasis Text marked to be emphasized. p.roffit Used for the advertising final paragraph. WWW
http://daniel.haxx.se/projects/roffit roffit 0.6 27 Feb 2004 roffit(1)
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