In above sample when it reads the first line x != $2 is satisfied and 1 is assigned to x and this line is printed. In case of second line x != $2 is not satisfied and the line is not printed. In case of third line x != $2 is satisfied and 2 is assigned to x and this line is printed.
First it picks up the records begining with "access-list"
after that (Note: $2 represents the second field( that is 1 for the first line))
the statement x!=$2 would be true for the first time. and then 1 is being assigned
to x so x has the value 1. when the command processes the second line then $2=1 that
means x=$2 so this time the condition fails and so nothing is printed uptill it reaches
where $2 value is 2 it would continue to skip the lines. once it has reached where $2=2
then again the condition(x!=$2) is true and the record is printed and this time 2 is
assigned to x and this continues uptill the end of file. Incase, if the record doesnt
start with "access-list" then also print the line.
Hi folks,
- I have 800 txt files
- those files are cisco router configs
router1.txt
router2.txt
...
router800.txt
I want to accomplish the following:
- I want to have a seperate file with all the filenames that I want to process
- I want a script that goes trough all those... (7 Replies)
A newbie to shell scripting.....
I need some assistance in doing the following:
I have a system generated text file(a makefile basically).
Before I can execute the make command, I need to modify one section of this generated file.
The generated section is as follows:
# INCLUDE macro... (5 Replies)
In other news, I have a colors text file with hundreds of lines, and I want to print only the even numbered lines. for example I have this file looks something like this:
ALLCOLORS.TXT
red red green red
blue red red red
green red red blue
green green green
blue blue blue
red blue blue blue... (1 Reply)
Hi there,
I have a comma seperated file which looks like
16-Jun-08,KLM forwarder,,AMS,DXB,AMS,C,Y,G10,074-02580900,milestone failed - message not received,C,OK,,13/06/2008 00:00,KL427,13/06/2008 00:00,KL427,Rebooked,C,milestone failed - message not received,milestone failed - evented... (3 Replies)
I have one base file, and multiple target files-- each have uniform line structure so no need to use grep to find things-- can just define sections by line number.
My question is quite simple-- can I use sed to copy a defined block of lines (say lines 5-10) from filename1.txt to overwrite an... (3 Replies)
Hi everyone,
I have two files (A and B) and want to combine them to one by always taking 10 rows from file A and subsequently 6 lines from file B. This process shall be repeated 40 times (file A = 400 lines; file B = 240 lines).
Does anybody have an idea how to do that using perl, awk or sed?... (6 Replies)
I have a diff command that does what I want but when comparing large text/log files, it uses up all the memory I have (sometimes over 8gig of memory)
diff file1.txt file2.txt | grep '^<'| awk '{$1="";print $0}' | sed 's/^ *//'
Is there a better more efficient way to find the lines in one file... (5 Replies)
Hi
I have a file with contents:
NAMES
John
carrey
williams
How can I get all the names and store them in seperate variables(or arrays)
please keep in mind that the no. of such names is not known.Three here is a bogus value
~thanks (4 Replies)
Hello again gentlemen.
I would like to make a shell script to 'optimize' a plain text full of IPs.
Let's suppose to have this text file:
1.192.63.253-1.192.63.253
1.0.234.46/32
1.1.128.0/17
1.116.0.0/14
1.177.1.157-1.177.1.157
1.23.22.19
1.192.61.0-1.192.61.99
8.6.6.6
I want to... (2 Replies)