Sponsored Content
Full Discussion: adding a line to a text file
Top Forums Shell Programming and Scripting adding a line to a text file Post 302529874 by LMHmedchem on Friday 10th of June 2011 10:29:07 PM
Old 06-10-2011
adding a line to a text file

I have a tab delimited text file,
Code:
id   name       distance
1    3325167    0.334561754018
2    3290488    0.389444269458
3    3288794    0.392312701782
4    3347602    0.392532202097
5    3295355    0.394394169485

I need to add a line after the header line. The first and third field of that added line with both be the value 0 (hard coded). The middle field will be from a bash variable.
Code:
id   name       distance
0    $BASH_VAR  0.0
1    3325167    0.334561754018
2    3290488    0.389444269458
3    3288794    0.392312701782
4    3347602    0.392532202097
5    3295355    0.394394169485

I have looked at solutions in both sed and awk and can't seem to find the right thing.

I tried,
Code:
awk 'BEGIN {FS="\t"} {if (NR==2) print "0", "\t", $NAME, "\t", "0.0"; else print $0; }' TEMP > $OUTFILE

But that garbles the values of the inserted and existing lines.

LMHmedchem
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Adding Text To each line of a file

How would I add text to the beginning of each line in a text file in a script right after the file is created from another text file. (4 Replies)
Discussion started by: cubs0729
4 Replies

2. Shell Programming and Scripting

adding text to end of each line in a file

I'm needing to add a "hour:min" to the end of each line in a document. The document in this case is only going to be one line. if this inserts it at the end, what needs to be changed to add something at the end... /bin/echo "%s/^/$filler/g\nwq!" | ex -s $oFile Thank you... (2 Replies)
Discussion started by: cubs0729
2 Replies

3. Shell Programming and Scripting

Adding specific text and spaces to each line in a text file

Hi, I wanted to add specific text to each row in a text file containing three rows. Example: 0 8 7 6 5 5 7 8 9 0 7 9 7 8 9 0 1 2 And I want to add a 21 at the beginning of the first row, and blank spaces at the beginning of the second two rows. To get this: 21 0 8 7 6 5 5 7 8... (4 Replies)
Discussion started by: hertingm
4 Replies

4. Shell Programming and Scripting

adding new line after finding specific text

hello i need some help here are the contents of my file. test.txt this is filename 1.mp3 http://www.url.com/filenamehashed filename 2.mp3 http://www.url.com/fileamehashed something_else.zip http://www.url.com/filenamehashed so this file has 100 of these lines filename url I would... (9 Replies)
Discussion started by: mscice
9 Replies

5. Shell Programming and Scripting

Adding text in final line

Dear Friends, I have a flat file where last line of it has word D$mhtt I want to add a space and back slash after it. Also wanna add -S "J" in the last line. Following example will make it clear. I have this in the last line of file D$mhtt I want D$mhtt \ -S "J" Please... (5 Replies)
Discussion started by: anushree.a
5 Replies

6. Shell Programming and Scripting

editing line in text file adding number to value in file

I have a text file that has data like: Data "12345#22" Fred ID 12345 Age 45 Wilma Dino Data "123#22" Tarzan ID 123 Age 33 Jane I need to figure out a way of adding 1,000,000 to the specific lines (always same format) in the file, so it becomes: Data "1012345#22" Fred ID... (16 Replies)
Discussion started by: say170
16 Replies

7. Shell Programming and Scripting

Adding text to the end of the specific line in a file(only to the first occurrence of it)

Hi, I want to add a text to the end of the specific line in a file. Now my file looks like this: 999 111 222 333 111 444 I want to add the string " 555" to the end of the first line contaning 111. Moreover, I want to insert a newline after this line containg the "000" string. The... (8 Replies)
Discussion started by: wenclu
8 Replies

8. UNIX for Dummies Questions & Answers

[Help] Adding text to a variable line in a file

Hey guys, I need to write a script that will add a specific text at the end of a specific line (of a text file). but the line is a variable this is my text file : device_2 ansible_ssh_host=127.0.0.1 ansible_ssh_port=30000 ansible_ssh_user='root' device_2 ansible_ssh_host=127.0.0.1... (1 Reply)
Discussion started by: OdedOvdat
1 Replies

9. Shell Programming and Scripting

Adding a text in the beginning of a line

Hi, I am doing something like below: cat file1>file3and cat file2>>file3 I wanted to check if there is a way to write a custom message(hardcoded message)something like below at the beginning of each line then PIPE delimitiation and then followed by remaining record. cat file1... (7 Replies)
Discussion started by: Saanvi1
7 Replies

10. Shell Programming and Scripting

Adding text to the first line of a shell script

the first line of every unix script written in an interpreted language always has a "#!<path-to-the-language>" is there a way to include other text in that first line without it affecting the ability of the script to run??? for instance, if i change the following line: #!/bin/sh echo blah... (1 Reply)
Discussion started by: SkySmart
1 Replies
NWDIAG(1)						      General Commands Manual							 NWDIAG(1)

NAME
rackdiag - generate rack-structure-diagram image file from spec-text file. SYNOPSIS
rackdiag [options] files DESCRIPTION
This manual page documents briefly the rackdiag commands. rackdiag is generate sequence-diagram image file from spec-text file. OPTIONS
These programs follow the usual GNU command line syntax, with long options starting with two dashes (`-'). A summary of options is included below. For a complete description, see the Info files. -h, --help show this help message and exit. --version show program's version number and exit. -a, --antialias Pass diagram image to anti-alias filter. -c FILE, --config=FILE read configurations from FILE. -o FILE write diagram to FILE. -f FONT, --font=FONT use FONT to draw diagram. -T TYPE Output diagram as TYPE format. SEE ALSO
The programs are documented fully by http://blockdiag.com/en/nwdiag/ AUTHOR
rackdiag was written by Takeshi Komiya <i.tkomiya@gmail.com> This manual page was written by Kouhei Maeda <mkouhei@palmtb.net>, for the Debian project (and may be used by others). June 11, 2011 NWDIAG(1)
All times are GMT -4. The time now is 09:47 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy