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Top Forums Shell Programming and Scripting Help with grep (reWriting it in another way.) Post 302380696 by Scrutinizer on Wednesday 16th of December 2009 03:41:26 AM
Old 12-16-2009
Quote:
Originally Posted by kenshin88
We are allowed to use sed to :P

Can you give me one exaple so i can convert the others

for instance i know

Code:
grep `example` file 

in sed is : 

sed -n `/example/p` file

question ... where do i put -r for extended regular expressions, next to the -n?
Yes, so it would be sed -rn but you have to check your man page is -r is supported, otherwise you have to use \ everywhere.
For examples have a look at another thread in which I just happened to have posted an example.
 

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fixnt(1)							      Debian								  fixnt(1)

NAME
fixnt - Filter for the Windows NT postscript printer driver. SYNOPSIS
fixnt < BADFILE.ps > GOODFILE.ps DESCRIPTION
The Windows NT postscript driver has a tendency to make broken postscript files, that are incompatible with psutils. fixnt is a filter that fixes these problems, allowing the use of psnup(1). The filter takes the broken postscript file on stdin, and outputs a fixed postscript file on stdout. It has no other form for invocation and takes no options on the command-line. OPTIONS
fixnt takes no options. BUGS
fixnt does not check for NTPSOct94. For a workaround, use a sed(1) command to replace 'NTPSOct94' with 'NTPSOct95', like so: sed 's/NTPSOct94/NTPSOct95/g' This is particularly important for Windows NT 3.5 users. AUTHOR
fixnt was written by Holger Bauer <Holger.Bauer@topmail.de>, Michael Rath <rath@itsm.uni-stuttgart.de>, and Akim Demaille <demaille@inf.enst.fr>. REPORTING BUGS
Report bugs to the Authors, but avoid sending large postscript files. Patches are always welcome; send to <bauer@itsm.uni-stuttgart.de>. SEE ALSO
psnup(1), sed(1) a2ps February 2003 fixnt(1)
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