Have a go with either of the programmes below. If your input file is huge, you may run into issues because these load everything into memory. There are ways to work round those issues, but have a try with these before switching to a method that involves two passes over the data.
It will align columns padded with spaces. If you don't need that, then the code below is a bit more simple. In both cases, the order of the headers is the order that they are encountered in the input data. A sort could be added if needed.
Last edited by agama; 05-26-2013 at 09:48 PM..
Reason: Corrected bug
I have two file one will have WWN and port details and another file will have allies name. I need to check what allies name was given to each wwn and create a consolidate report which will both port details, allies name.
file one switchshow
133 1 21 188500 id N4 ... (4 Replies)
Hi
I Have a directory and i have some files below
abc.txt
abc.gif
gtee.txt
ghod.pid
umni.log
unmi.tar
How can use glob function to grep abc files , i have created a variable "text" and i assigned value as "abc", please suggest me how can we use glob.glob( ) to get the output as below... (2 Replies)
Hi,
I have around 200,000 files in a given directory.
I need to cat each of these files and grep them for thousands of identifier values (or strings) in a given text file.
The text file looks something like this:
1234
1243545
1234353
121324
etc with thousands of entries.
Can... (3 Replies)
I am not sure if i am doing this correctly since it returns quickly. i need to grep for a keyword in all files in a directory
grep keyword /mydirectory
is that correct? I just want to know which files have a keyword in it.
i am using korn shell in solaris 5.1. There does not appear to... (12 Replies)
Hi All, I need to grep few files which has words like the below in the file name , which i want to put it in a file and and grep for the files which contain these names and move it to a new directory ,
full file name -C20091210.1000-20091210.1100_SMGBSC3:1000... (2 Replies)
Hi,
Have two files.
1. robin.log
2. robin_log
When is grep i shuld get only robin.log file.
Please help.
I Tried ls | grep ".log" But its not working
Thanks
Robin (6 Replies)
I have a script to GREP for a text expression within certain files, the files being named file.11012008 thru file.11302008. 30 files in all, one for each day of the month.
Instead of entering the following 3 lines of code 30 different times, I'm trying to find a way to loop the process:
... (6 Replies)
Hi I have find some account numbers from .gz files.
There thousands of .gz files, also i am unable to grep .gz / .z files.
I want to find file names & and those lines from list.
Could you pls tell me / give me any syntax for finding word from ,gz files using grep?
Thanks in advance (8 Replies)
Hi I am totally new to Unix and I am in need of a script that can grep several files at once.
the script needed:
change directory
grep for keywords "error" "fail" "warning" in different files with different names, same extention but specific file names.
if any of the keywords is found to show... (4 Replies)