Sponsored Content
Top Forums Shell Programming and Scripting Gnu tool; sed awk echo etc to prepend or append string to a file Post 302992704 by wisecracker on Tuesday 28th of February 2017 05:10:49 PM
Old 02-28-2017
Hi Scrutinizer...

AND before 'cat', { printf "nodegroups:\n $num: L@" ; cat input_file ; } > new_file ...
('printf' ought to be formatted correctly for purity.)
This User Gave Thanks to wisecracker For This Post:
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

echo, append to end of file

I need the line printed with echo to append to eof of to exactly line, am i able to do that? i mean echo "sysctl -w lalala=1" > to end of file /etc/sysctl.conf or to the 21st line, if the line exist, open new line and insert text there. Thx.maybe i'm in wrong topic but anyway... (2 Replies)
Discussion started by: hachik
2 Replies

2. Shell Programming and Scripting

Append and Prepend Text to a file list

I want to print out a directory listing, then append ] to the end of each line. I'm trying to create a list of Wiki links based on folder listings that i can just copy and paste without having to edit 100's of file listings. Using sed i've figured out to do something like this: sed... (4 Replies)
Discussion started by: CapnDoody
4 Replies

3. Shell Programming and Scripting

prepend and append characters to the same line

Hi, I have a file 'tmp.dat' that contains the below data: 81763 40829 30405 80452 I want to prepend a ' character to the beginning of every line, and I want to append ', at the end of every line. Below is what I expect: '81763', '40829', '30405', '80452', Can anyone help me? ... (3 Replies)
Discussion started by: ChicagoBlues
3 Replies

4. Shell Programming and Scripting

sed append to string

I am trying to replace in multiple files every instance of text that begins with http and add hyperlink characters to it. I can get it to work with the following:sed -e "s/http*.*/<a href=\"&\">&<\/a>/g" * as long as the http text is at the end of the file. I need it to stop at the end of the... (2 Replies)
Discussion started by: numele
2 Replies

5. Shell Programming and Scripting

sed to find first appearance and append string

I have a file like below #GROUP A belongs to Asia GROUP A jojh hans local admin GROUP A gege fans michel jing jong #GROUP U belongs to USA GROUP U jeff goal hello world My requirement is to grep for first apperence of GROUP A which is not commented and append my name to end of file.... (12 Replies)
Discussion started by: vkk
12 Replies

6. Shell Programming and Scripting

perform echo and awk inside a string

hi, just wanted to make a shortcut of this one a="a b c" b=`echo $a | awk '{print $2}'` echo "the middle is $b" why can't i do this: a="a b c" echo "the middle is ${`echo $a | awk '{print $2}'`}" <- bad substitution :wall: thanks (6 Replies)
Discussion started by: h0ujun
6 Replies

7. Shell Programming and Scripting

Append a searched string with another string using sed

Hi, I need to replace and append a string in a text if grep is true. For eg: grep ABC test.txt | grep -v '\.$' | awk {'print $4'} | sed "s/ ? How do I replace all instances of "print $4" using sed with another sring? Eg of the string returned will be, lx123 web222 xyz Want to... (8 Replies)
Discussion started by: vchee
8 Replies

8. Shell Programming and Scripting

sed - Find a String and append a text end of the Line

Hi, I have a File, which have multiple rows. Like below 123456 Test1 FNAME JRW#$% PB MO Approver XXXXXX. YYYY 123457 Test2 FNAME JRW#$% PB MO Super XXXXXX. YYYY 123458 Test3 FNAME JRW#$% PB MO Approver XXXXXX. YYYY I want to search a line which contains PB MO Approver and append... (2 Replies)
Discussion started by: java2006
2 Replies

9. Shell Programming and Scripting

Replace string in XML file with awk/sed with string from another

Sorry for the long/weird title but I'm stuck on a problem I have. I have this XML file: </member> <member> <name>TransactionID</name> <value><string>123456789123456</string></value> </member> <member> <name>Number</name> ... (9 Replies)
Discussion started by: cozzin
9 Replies

10. Shell Programming and Scripting

Replace string of a file with a string of another file for matches using grep,sed,awk

I have a file comp.pkglist which mention package version and release . In 'version change' and 'release change' line there are two versions 'old' and 'new' Version Change: --> Release Change: --> cat comp.pkglist Package list: nss-util-devel-3.28.4-1.el6_9.x86_64 Version Change: 3.28.4 -->... (1 Reply)
Discussion started by: Paras Pandey
1 Replies
pods::SDL::Color(3pm)					User Contributed Perl Documentation				     pods::SDL::Color(3pm)

NAME
SDL::Color - Format independent color description CATEGORY Core, Video, Structure SYNOPSIS
my $black = SDL::Color->new(0, 0, 0); my $color = SDL::Color->new(255, 0, 0); my $r = $color->r; # 255 my $g = $color->g; # 0 my $b = $color->b; # 0 $color->g(255); $color->b(255); # $color is now white DESCRIPTION
"SDL_Color" describes a color in a format independent way. METHODS
new my $color = SDL::Color->new(255, 0, 0); The constructor creates a new color with the specified red, green and blue values. r my $r = $color->r; $color->r(128); If passed a value, this method sets the red component of the color; if not, it returns the red component of the color. g my $g = $color->g; $color->g(128); If passed a value, this method sets the green component of the color; if not, it returns the green component of the color. b my $b = $color->b; $color->b(128); If passed a value, this method sets the blue component of the color; if not, it returns the blue component of the color. SEE ALSO
SDL::Surface AUTHORS
See "AUTHORS" in SDL. perl v5.14.2 2012-05-28 pods::SDL::Color(3pm)
All times are GMT -4. The time now is 04:07 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy