Reading Particular Line From A File in Unix Post: 15134

9 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

reading a line into a variable in unix

hi... i need to open a file and read it line by line, and capture that it in to some variable and manipulate... i need to get a line in to a variable please help :confused:

2. Shell Programming and Scripting

Reading line by line from unix script

Hi I am a complete newbie in unix. Learning the ropes. I have a task where I have to write a shell script to read a file line by line. I have tried some code from the net like. The file data looks like this. FIN427;2010003;2010003 FIN475;2010001;2010003 FIN476;2010001;2010003...

3. Shell Programming and Scripting

[Solved] Problem in reading a file line by line till it reaches a white line

So, I want to read line-by-line a text file with unknown number of files.... So: a=1 b=1 while ; do b=`sed -n '$ap' test` a=`expr $a + 1` $here do something with b etc done the problem is that sed does not seem to recognise the $a, even when trying sed -n ' $a p' So, I cannot read...

4. Shell Programming and Scripting

Reading line1 with line2 and line 2 with line 3 in unix

Hi, I have a requirement where i have to read a file line by line and see if the string(fixed postion 10 to 15 in the file) in line 2 is greater than string in line 1. I have used following code while read LINE1 do current_inv_no=$(echo "$LINE1" | cut -c 10-15) read...

5. Shell Programming and Scripting

Reading text file, comparing a value in a line, and placing only part of the line in a variable?

I need some help. I would like to read in a text file. Take a variable such as ROW-D-01, compare it to what's in one line in the text file such as PROD/VM/ROW-D-01 and only input PROD/VM into a variable without the /ROW-D-01. Is this possible? any help is appreciated.

6. Shell Programming and Scripting

Comparison of fields then increment a counter reading line by line in a file

Hi, i have a scenario were i should compare a few fields from each line then increment a variable based on that. Example file 989878|8999|Y|0|Y|N|V 989878|8999|Y|0|N|N|V 989878|8999|Y|2344|Y|N|V i have 3 conditions to check and increment a variable on every line condition 1 if ( $3...

7. Shell Programming and Scripting

Reading line by line from live log file using while loop and considering only those lines start from

Hi, I want to read a live log file line by line and considering those line which start from time stamp; Below code I am using, which read line but throws an exception when comparing line that does not contain error code tail -F /logs/COMMON-ERROR.log | while read myline; do...

8. UNIX for Dummies Questions & Answers

UNIX Help for reading line

Hi there, I am trying to read the content such that if there is 'adsmsext.dll', it will read everything from line one until it reads line 6 with 'C:' then it will terminate at line 5. 1. C:\WINDOWS\system32\adsmsext.dll NT AUTHORITY\Authenticated Users:R 2. ...

9. UNIX for Beginners Questions & Answers

Reading a file line by line and print required lines based on pattern

Hi All, i want to write a shell script read below file line by line and want to exclude the lines which contains empty value for MOUNTPOINT field. i am using centos 7 Operating system. want to read below file. # cat /tmp/d5 NAME="/dev/sda" TYPE="disk" SIZE="60G" OWNER="root"...

LEARN ABOUT CENTOS

file::homedir::unix

File::HomeDir::Unix(3)					User Contributed Perl Documentation				    File::HomeDir::Unix(3)

NAME

       File::HomeDir::Unix - Find your home and other directories on legacy Unix

SYNOPSIS

	 use File::HomeDir;

	 # Find directories for the current user
	 $home	  = File::HomeDir->my_home;	   # /home/mylogin
	 $desktop = File::HomeDir->my_desktop;	   # All of these will...
	 $docs	  = File::HomeDir->my_documents;   # ...default to home...
	 $music   = File::HomeDir->my_music;	   # ...directory
	 $pics	  = File::HomeDir->my_pictures;    #
	 $videos  = File::HomeDir->my_videos;	   #
	 $data	  = File::HomeDir->my_data;	   #

DESCRIPTION

       This module provides implementations for determining common user directories.  In normal usage this module will always be used via
       File::HomeDir.

SUPPORT

       See the support section the main File::HomeDir module.

AUTHORS

       Adam Kennedy <adamk@cpan.org>

       Sean M. Burke <sburke@cpan.org>

SEE ALSO

       File::HomeDir, File::HomeDir::Win32 (legacy)

COPYRIGHT

       Copyright 2005 - 2011 Adam Kennedy.

       Some parts copyright 2000 Sean M. Burke.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

       The full text of the license can be found in the LICENSE file included with this module.

perl v5.16.3							    2012-10-19						    File::HomeDir::Unix(3)