sed commands Post: 56151

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multiple sed commands

hello! I have a few sed commands sed '/^$/d' < $1 > tmp.t sed '/^ \{3,\}/d' < tmp.t > tmp1.txt ..... how can I write them in a single line? sed '/^$/d' < $1 > | '/^ \{3,\}/d' < $1 > tmp1.txt any idea? thanks.

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combining sed commands

I would like to change the lines: originalline1 originalline2 to: originalline1new originalline1newline originalline2new originalline2newline To do this, id like to combine the commands: sed 's/^/&new/g' file > newfile1 and sed '/^/ a\\ newline\\ \\

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Hi there, I need to be able to put the hostid of my box into a file (replacing the text "enter_hostid_here" so i tried sed -e 's/enter_hostid_here/`hostid`/g' inputfile > outputfile but it takes the `hostid` literally as text .....how can I get this info into the file (ideally in a single...

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Can I use my own variables within awk and sed for example: I've written a while loop with a counter $i and I want to use the value of $i within sed and awk to edit certain lines of text within a data file. I want to use : sed '1s/$/texthere/g' data.csv Like this: sed '$is/$/$age/g' data.csv...

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Dear Friends, Please let me know how to use the date command inside the substitution flag replacement string. echo "01 Jan 2003:11:00:06 +0100" | sed 's/$.*$/`date -d \1 "+%Y%m%d%H%M%S"`/' I want to supply \1 string to Here mention below as part of replacement string, date -d <Here>...

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Hi, I get the following response by gphoto2 and I would like to substract the index number of the current item. In this case 3. gphoto2 --get-config /main/imgsettings/iso Label: ISO Speed Type: RADIO Current: 200 Choice: 0 100 Choice: 1 125 Choice: 2 160 Choice: 3 200 Choice: 4 250 .....

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Looking for sed commands to add some strings

Hi All, I have one file which has contents as following. I have now to add some strings into this file. In below there is a "Description" field, and I have to look line by line and as the description contents will be finished, I have to add the string "Hello world" followed by a TAB. So before...

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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)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

multiple sed commands

Discussion started by: george_

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combining sed commands

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Using variables in sed commands

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4. Shell Programming and Scripting

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Discussion started by: mustaine85