Sponsored Content
Top Forums Shell Programming and Scripting Adding Text To Middle Of File Post 302387987 by clx on Tuesday 19th of January 2010 04:59:51 AM
Old 01-19-2010
Quote:
num=$(((wc -l $newfile)/2))
check the output/error of this command. I think you will get syntex error.

try this:

Code:
num=$(expr $(wc -l < $newfile) / 2)

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

insert text into the middle of a original file

how do u insert text into a specific place in a file, say the middle for example, without changing the name for that file (1 Reply)
Discussion started by: mopimp
1 Replies

2. Shell Programming and Scripting

How to insert text into first line of the file and middle of the file?

Script 1 Pre-requisites Create a file with x amount of lines in it, the content of your choice. Write a script that takes two arguments. The first being a line of text, the second being your newly created file. The script should take the first argument and insert it into the very top (the... (3 Replies)
Discussion started by: ali hussain
3 Replies

3. Shell Programming and Scripting

insert text in the middle of a file

I want to insert a text into the middle of a file (3 Replies)
Discussion started by: relle
3 Replies

4. Shell Programming and Scripting

add text in the middle of file

Can anyone help me pls? I want to add a text into the middle of file. I've writtenthe following script text to add="$1" file="$2" lines=$(wc -l $2) half_lines=$(expr $lines / 2) head -$half_lines $2 > temp echo "text to add" >> temp ((half_lines=$half_lines + 1)) tail -$half_lines $2... (6 Replies)
Discussion started by: relle
6 Replies

5. UNIX for Dummies Questions & Answers

How to insert text in the middle of a file

Hey guys, how do we take a line of text as an argument from a user and then insert it in the middle of a file irrespective of the number of lines in the file. I am trying to do this without SED or AWK. Inserting it in the beginning and at the end is easy, but i am trying to accomplish inserting... (6 Replies)
Discussion started by: kartikkumar84@g
6 Replies

6. Shell Programming and Scripting

Script to add a single line to middle of text file.

I've got a configuration file that is filled with xml text statements for example: <...../> <...../> <...../> <data id="java-options" value="-server -Djava.security.policy..../> <...../> <...../> <...../> I want to write a korn shell script that will go to this specific line and add a... (2 Replies)
Discussion started by: progkcp
2 Replies

7. Shell Programming and Scripting

How to read from middle of a file for a particular text

Hi, Below is my issue which I desperately need and I want a shell script which can do this job. 1. There are 10 log files in a particular location. 2. open each log file. Goto to the end of the file. From the end go up to find a particular text. From this particular text till the end of... (3 Replies)
Discussion started by: kashriram
3 Replies

8. Shell Programming and Scripting

How to insert text in the middle of a file?

Hi, So far i've made a script that takes two argument, 1st is the contents and the 2nd is the named file. At the moment i've managed to insert new contents as a new line at the top, but i want to ask how can you insert contents in the middle of the file? Source Code #!/bin/bash #Write... (3 Replies)
Discussion started by: zen10
3 Replies

9. Shell Programming and Scripting

Unix File - Adding columns in the middle

Hello, I have a comma separated flat file. It contains some 20 columns. I want to add two new columns at position 2,3. So that file will have 22 columns. I am providing here sample data with file having 4 columns. Appreciate your help in finding solution for this. data in input file:... (11 Replies)
Discussion started by: ravi.videla
11 Replies

10. Shell Programming and Scripting

Adding new column in the middle

Hi , I need to add few new columns in existing file .Any help would be great ex: existing file name,typ,add,dept New file(com1,sal are new) name,com1,type,sal,add,dept Thanks, mohan (1 Reply)
Discussion started by: mohan705
1 Replies
diff3(1)						      General Commands Manual							  diff3(1)

NAME
diff3 - 3-way differential file comparison SYNOPSIS
file1 file2 file3 DESCRIPTION
compares three versions of a file, and prints disagreeing ranges of text flagged with these codes: all three files differ file1 is different file2 is different file3 is different The type of change required to convert a given range of a given file to some other is indicated in one of these ways: Text is to be appended after line number n1 in file f, where f = or Text is to be changed in the range line n1 through line n2. If n1 = n2, the range can be abbreviated to n1. The original contents of the range follows immediately after a indication. When the contents of two files are identical, the contents of the lower-numbered file is suppressed. Produces a script for the editor that can be used to incorporate into file1 all changes between file2 and file3 (see ed(1)); i.e., the changes that normally would be flagged and Produces a script to incorporate only changes flagged Produces a script to incorporate only changes flagged Produces a script that will incorporate all changes between file2 and file3, but treat overlapping changes (that is, changes that would be flagged with in normal listing) differently. The overlapping lines in both files will be inserted by the edit script bracketed by and lines. Produces a script that will incorporate only changes flagged , but treat these changes in the manner of option. The following command applies the resulting script to file1. EXTERNAL INFLUENCES
International Code Set Support Single- and multi-byte character code sets are supported. WARNINGS
Text lines that consist of a single period defeat Files longer than 64K bytes do not work. FILES
SEE ALSO
diff(1). diff3(1)
All times are GMT -4. The time now is 04:04 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy