Hos to get the line number of uncommented line from the file Post: 302941671

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Get line form file by line number

I want to get a specific line form file by line number. For example I have file named bla File looks like this cat bla Madrid Paris Berlin Vladivostok I want to put line 3 (Berlin) into variable X. How to do that?

2. Shell Programming and Scripting

Appending the line number and a seperator to each line of a file ?

Hi, I am a newb as far as shell scripting and SED goes so bear with me on this one. I want to basically append to each line in a file a delimiter character and the line's line number e.g Change the file from :- aaaaaa bbbbbb cccccc to:- aaaaaa;1 bbbbbb;2 cccccc;3 I have worked...

3. Shell Programming and Scripting

how to get the data from line number 1 to line number 100 of a file

Hi Everybody, I am trying to write a script that will get some perticuler data from a file and redirect to a file. My Question is, I have a Very huge file,In that file I have my required data is started from 25th line and it will ends in 100th line. I know the line numbers, I need to get all...

4. UNIX for Dummies Questions & Answers

How to read contents of a file from a given line number upto line number again specified by user

Hello Everyone. I am trying to display contains of a file from a specific line to a specific line(let say, from line number 3 to line number 5). For this I got the shell script as shown below: if ; then if ; then tail +$1 $3 | head -n $2 else ...

5. Shell Programming and Scripting

extract a line from a file by line number

Hi guys, does anyone know how to extract(grep) a line from the file, if I know the line number? Thanks a lot.

6. Shell Programming and Scripting

search a string in a particular column of file and return the line number of the line

Hi All, Can you please guide me to search a string in a particular column of file and return the line number of the line where it was found using awk. As an example : abc.txt 7000,john,2,1,0,1,6 7001,elen,2,2,0,1,7 7002,sami,2,3,0,1,6 7003,mike,1,4,0,2,1 8001,nike,1,5,0,1,8...

7. Linux

Problem editting the first occurence of a pattern in the first uncommented line

Hi I have to replace a pattern found in the first uncommented line in a file. The challenge I'm facing is there are several such similar lines but I have to edit only the first uncommented line. Eg: #this is example #/root/xyz:Old_Pattern /root/xyz:Old_Pattern /root/xyz:Old_Pattern ...

8. Shell Programming and Scripting

sed command to replace a line at a specific line number with some other line

my requirement is, consider a file output cat output blah sdjfhjkd jsdfhjksdh sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf hellow there this doesnt look good et cetc etc etcetera i want to replace a line of line number 4 ("this doesnt look good") with some other line ...

9. Shell Programming and Scripting

sed command to replace a line in a file using line number from the output of a pipe.

Sed command to replace a line in a file using line number from the output of a pipe. Is it possible to replace a whole line piped from someother command into a file at paritcular line... here is some basic execution flow.. the line number is 412 lineNo=412 Now i have a line...

10. UNIX for Beginners Questions & Answers

How to replace line through sed , but without uncommented?

I am looking to replace minimum password value in login.defs file. it does change , but it change the commented one also. please 1. my script to be change 12 in the below line... sed -i '/PASS_MIN_LEN/c\PASS_MIN_LEN 12' /etc/login.defs action- It does change, but it change in 2 place. ...

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)