I need to grep all those lines present in file1 from the other file (file2).
One way will be to run a for loop on file1 and grep in file2. But my data volume is very high an it's taking 5-6 hours.
Can you please suggest the fastest way to achieve this (may be using awk/sed)
Last edited by Franklin52; 06-07-2012 at 04:01 AM..
Reason: Please use code tags
say I have a big list of something like:
sdg2000
weghre10
fewg53
gwg99
jwegwejjwej43
afg10293
I want to remove the numbers of any line that has letters + 1 to 4 numbers
output:
sdg
weghre
fewg
gwg
jwegwejjwej
afg10293 (7 Replies)
Hi All,
We have few scripts where we are using grep -w option to do exact matching of the pattern. This works fine on most of our servers.
But I have encounter a very old HP-UX System(HP-UX B.11.00) where grep -w option is not available.
This is causing my scripts to fail. I need to change... (7 Replies)
Hi,
We used to use the below commands often.
ps -ef|grep bc
ps -ef|grep abc|grep -v grep
Both fairly returns the same result.
For example, the process name is dynamic and we are having the process name in a variable, how we can apply the above trick.
For example "a" is the... (11 Replies)
Hello,
I am processing a text file which contains only words with few combination of characters (it is a dictionary file).
example:
havana
have
haven
haven't
havilland
havoc
Is there a way to exclude only 1 to 8 character long words which not include space or special characters : '-`~.. so... (5 Replies)
I am looking for a file with 'MCR0000000716214' in it. I tried the following command:
grep MCR0000000716214 *
The problem is that the folder I am searching in has over 87000 files and I am getting the following:
bash: /bin/grep: Arg list too long
Is there any command I can use that can... (6 Replies)
Hi
I am new to Unix/Linux
I know commands and shell scripts which are useful for my project.
But i need to know the basics and commands and shell scripts in detail and easy guide.
Please refer a book.
Thanks
Haripatn (6 Replies)
Hi
I have the following at the end of a service shutdown script used in part of an active-passive failover setup:
###
# Shutdown all primary Network Interfaces
# associated with failover
###
# get interface names based on IP's
# and shut them down to simulate loss of
# heartbeatd
... (1 Reply)
