sed file problems Post: 19206

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Hi, I'm trying to use the sed command but I'm not sure how to use it properly. I've read the man pages for the sed command but I'm still unsure on how to use it. Basically I have a file with the words male and female written multiple times. I want to swap the word male for female and...

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Hello All, It has been a loooooooooooong time since I had last used sed but decided to use it for a simple task I have . My goal is to use sed to read variables from a flat file then use those same variables in order to make some subsitutions. However what I am finding is that when the...

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Hi, The config file: # Port(s) for accepting client connections RTSPPort=554 bash-3.00# awk -F"=" -v gr="888" '/RTSPPort/{$2=gr;}1' OFS="=" server.ini awk: syntax error near line 1 awk: bailing out near line 1 Can you help me on why this doesn't work. The next one neighter. Dosn't...

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i have a file acc.sh which has about 10 lines and then i have defined $var which has a line number in it (say 5). i want to extarct from line 5 to the end of the file and put the output into another file. I have used sed -n $var,'$p' acc.sh | tee abc.sh but at times it does'nt work and gives an...

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Hi everyone! I have a file like that: And I would it like that: I don't know how to keep the first field and sort the second one. I have a second question with sed... to put the variable $VAR at the beginning of the file... But I have an output like this: snork...

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$ echo "a,0,0,0,b,0" | sed 's/,0,/,1,/g' gives output as $ a,1,0,1,b,0 rather than as a,1,1,1,b,0 how can i solve this problem Thanks a lot in advance.... Use code tags.

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Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted! 1. The problem statement, all variables and given/known data: Okay so I am taking bash scripting this semester and we are now working on the stream editor sed. For our book we...

LEARN ABOUT DEBIAN

shtool-subst

SHTOOL-SUBST.TMP(1)					      GNU Portable Shell Tool					       SHTOOL-SUBST.TMP(1)

NAME

       shtool-subst - GNU shtool sed(1) substitution operations

SYNOPSIS

       shtool subst [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup ext]
       [-e|--exec cmd] [-f|--file cmd-file] [file] [file ...]

DESCRIPTION

       This command applies one or more sed(1) substitution operations to stdin or any number of files.

OPTIONS

       The following command line options are available.

       -v, --verbose
	   Display some processing information.

       -t, --trace
	   Enable the output of the essential shell commands which are executed.

       -n, --nop
	   No operation mode. Actual execution of the essential shell commands which would be executed is suppressed.

       -w, --warning
	   Show warning on substitution operation resulting in no content change on every file. The default is to show a warning on substitution
	   operations resulted in no content change on all files.

       -q, --quiet
	   Suppress warning on substitution operation resulting in no content change.

       -s, --stealth
	   Stealth operation. Preserve timestamp on file.

       -i, --interactive
	   Enter interactive mode where the user has to approve each operation.

       -b, --backup ext
	   Preserve backup of original file using file name extension ext.  Default is to overwrite the original file.

       -e, --exec cmd
	   Specify sed(1) command directly.

       -f, --file cmd-file
	   Read sed(1) command from file.

EXAMPLE

	#   shell script
	shtool subst -i -e 's;(c) ([0-9]*)-2000;(c) 1-2001;' *.[ch]

	#    RPM spec-file
	%install
	    shtool subst -v -n 
		-e 's;^(prefix=).*;1 $RPM_BUILD_ROOT%{_prefix};g' 
		-e 's;^(sysconfdir=).*;1 $RPM_BUILD_ROOT%{_prefix}/etc;g' 
		`find . -name Makefile -print`
	    make install

HISTORY

       The GNU shtool subst command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 2001 for GNU shtool.  It was prompted
       by the need to have a uniform and convenient patching frontend to sed(1) operations in the OpenPKG package specifications.

SEE ALSO

       shtool(1), sed(1).

18-Jul-2008							   shtool 2.0.8 					       SHTOOL-SUBST.TMP(1)

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