Hi Experts,
PFB my requirement:
I have a file (named file1) containing numbers like:
I have another file (nemed file2)where lines containing these numbers(present in file1) are present; Eg:
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
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)
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)
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)
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)
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)
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)
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)
Discussion started by: Siwon
7 Replies
LEARN ABOUT ULTRIX
mv
mv(1) General Commands Manual mv(1)Name
mv - move or rename files
Syntax
mv [-i] [-f] [-] file1 file2
mv [-i] [-f] [-] file... directory
Description
The command moves (changes the name of) file1 to file2.
If file2 already exists, it is removed before file1 is moved. If file2 has a mode which forbids writing, prints the mode and reads the
standard input to obtain a line. If the line begins with y, the move takes place. If it does not, exits. For further information, see
In the second form, one or more files (plain files or directories) are moved to the directory with their original file-names.
The command refuses to move a file onto itself.
Options
- Interprets all following arguments as file names to allow file names starting with a minus.
-f Force. This option overrides any mode restrictions or the -i switch.
-i Interactive mode. If a move is to supersede an existing file, the system prompts youw with the name of the file fol-
lowed by a question mark. If you type a string that begins with y, the move occurs. If you type any other response,
the move does not occur.
Restrictions
If file1 and file2 lie on different file systems, must copy the file and delete the original. In this case the owner name becomes that of
the copying process and any linking relationship with other files is lost.
See Alsocp(1), ln(1)mv(1)