10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi i have a file like
and the lines are having more than 10k.
do we have anycommand to check the duplicate entries in the file.
I applied the while loop by greping each line with whole file,
but it is taking huge amount of time as the file size is large.
... (5 Replies)
Discussion started by: saluja.deepak
2. Shell Programming and Scripting
Im trying to scan a file for certain entries and remove their corresponding lines completely. What I have now is this,
for USER in user1 user2 user3 user4
sed '/$USER/d' /etc/sudoers
However this doesn't remove the entries at all. Is there another way for this?
Thanks... (2 Replies)
Discussion started by: bludhemn
3. Shell Programming and Scripting
I need to delete duplicate records in a file that is around 30MB. Below is what I need. Below are the entries of input file and the output file that I need. Each section of input file is separated by an empty line. Some of these sections have duplicate uid values. I want to retain only one... (4 Replies)
Discussion started by: Samingla
4. Red Hat
Is there any way to edit or delete an entry in inittab file without using vi or any editors?
We can use commands instead or any shell script ..
If any one can help deeply appreciated
Thanks a lot
sai (3 Replies)
Discussion started by: saidiya
5. Shell Programming and Scripting
I need to delete duplicate lease entries in file according to MAC/IP.
I'm having tempfile which contains many lease info and need to have one entry for each IP(not more than that), if it contains more than one entry for same set, need to be deleted that entry...
lease... (4 Replies)
Discussion started by: SMNK
6. Shell Programming and Scripting
I want to compare the first line of a file(ABC) with that of a folder,XYZ(folder contents) and want that line to be deleted from the file(ABC) if that entry doesn't exist in the folder(XYZ)
I want to put this in a loop. please can anyone help
thanks (6 Replies)
Discussion started by: swasid
7. Shell Programming and Scripting
I have file where it contains 2 columns. In two columns the first column is repeated more than once. I wanted to take the unique record in first column
and the corresponding second column value .
The below is the example of the file:
8244100320012955|000b063471a4... (4 Replies)
Discussion started by: ravi_rn
8. UNIX for Dummies Questions & Answers
Can anyone help me how can i print only the unique entry in a line?
MI_AP MI_AP MI_CM MI_MF
RC_NAP MBS_AP SF_RAN MBS_AP NT_CAR
so that it will on output the one unique entry per line.
MI_AP MI_CM MI_MF
RC_NAP MBS_AP SF_RAN NT_CAR
I can't find the same situation on the knowledge... (5 Replies)
Discussion started by: kharen11
How to prevent starting of processes that have duplicate entries in cron file, i have written a shell script to validate with "ps |grep" command before starting the process, but still when same process started at same time, it may not be able to detect the existing process.
Sample... (3 Replies)
Discussion started by: nag_sundaram
10. Shell Programming and Scripting
I am having almost the same problem as junior member 'oupsforum' (refer to subjuct "deleting double entry in a log file"), only that I am using Sun Sorlaris Unix which the uniq command does not has the flag -w. So I am not able to ignore certain portion of the line when the uniq doing the... (3 Replies)
Discussion started by: Wing m. Cheng