07-17-2017
Thank you so much Ravinder!
That works just how I need it. Fantatsic.
Can I ask you to explain it so I can get a better understanding!
Cheers
Alex
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi
I have got a log file which is like:
id status
---------------------
12345 status1.true
12345 status2.true
12345 status3.false
12345 status4.true
23452 status5.true
23452 status6.true
23452 status7.false
65243 ... (2 Replies)
Discussion started by: encrypted
2 Replies
2. Shell Programming and Scripting
in the below .. i want to pick the latest logfile which is having JPS.PR inside..
that means i want particularly "spgport040408041223.log:@@@@@@@@ 04:13:09 Adding: JPS.PR."
which is latest among these..
is it possible to compare the current time with logfile time ?
reptm@xblr0758rop>... (4 Replies)
Discussion started by: mail2sant
4 Replies
3. Shell Programming and Scripting
I've been finding myself using a log file colorizer written in perl to reformat and colorize the output from many different programs. Mainly, however, I use it to make the output from "tail -f" commands more readable.
The base perl script I use is based on "colorlogs.pl" available from the... (1 Reply)
Discussion started by: rcsteiner
1 Replies
4. UNIX for Dummies Questions & Answers
Gurus,
From a file I need to remove duplicate rows based on the first column data but also we need to consider a date column where we need to keep the latest date (13th column).
Ex:
Input File:
Output File:
I know how to take out the duplicates but I couldn't figure out... (5 Replies)
Discussion started by: shash
5 Replies
5. Solaris
The latest crontab entry is disappearing time and again on acceptance and production environment.
the same entry gets deleted.
any pointers to what might be causing this issue? (1 Reply)
Discussion started by: bluenavi
1 Replies
6. Solaris
The latest crontab entry is disappearing time and again on acceptance and production environment.
the same entry gets deleted.
any pointers to what might be causing this issue? (6 Replies)
Discussion started by: bluenavi
6 Replies
7. UNIX for Dummies Questions & Answers
Hi Folks,
I have one query that there is a folder in which daily several logs files are getting created , I reached to that location through putty but what I observer that 10 files of different date are been created with same name , what I need to see is the latest file ...let say the location is ... (5 Replies)
Discussion started by: KAREENA18
5 Replies
8. Shell Programming and Scripting
This one is a bit too challenging for me... Hopefully you guys can help.
Let's say I have a log file called:
"$MW_HOME/user_projects/domains/IDMDomain/servers/wls_ods?/logs/wls_ods1-diagnostic.log"
In this log file I want to search for "DIP-10219". When I execute this
$ cat... (7 Replies)
Discussion started by: exm
7 Replies
9. UNIX for Beginners Questions & Answers
Hi there
I am trying to look for a specific word in the log file and I am aware this can be done by grep for example.
As there will be multiple entries for this I want to grep the last one to enter the log... how would I go about this - would I have to use tail?
Thanks in advance
Alex (4 Replies)
Discussion started by: simpsa27
4 Replies
10. Shell Programming and Scripting
Hi,
I want to monitor a log file using tail -f command and search for a specific string on the most recent entry from the file. If the search string matches with the most recent or last line from the file, I want send an email to the people with the message.
tail -f service.log|tail -n 1
... (5 Replies)
Discussion started by: svajhala
5 Replies
LEARN ABOUT SUSE
unbuffer
UNBUFFER(1) General Commands Manual UNBUFFER(1)
NAME
unbuffer - unbuffer output
SYNOPSIS
unbuffer program [ args ]
INTRODUCTION
unbuffer disables the output buffering that occurs when program output is redirected from non-interactive programs. For example, suppose
you are watching the output from a fifo by running it through od and then more.
od -c /tmp/fifo | more
You will not see anything until a full page of output has been produced.
You can disable this automatic buffering as follows:
unbuffer od -c /tmp/fifo | more
Normally, unbuffer does not read from stdin. This simplifies use of unbuffer in some situations. To use unbuffer in a pipeline, use the
-p flag. Example:
process1 | unbuffer -p process2 | process3
CAVEATS
unbuffer -p may appear to work incorrectly if a process feeding input to unbuffer exits. Consider:
process1 | unbuffer -p process2 | process3
If process1 exits, process2 may not yet have finished. It is impossible for unbuffer to know long to wait for process2 and process2 may
not ever finish, for example, if it is a filter. For expediency, unbuffer simply exits when it encounters an EOF from either its input or
process2.
In order to have a version of unbuffer that worked in all situations, an oracle would be necessary. If you want an application-specific
solution, workarounds or hand-coded Expect may be more suitable. For example, the following example shows how to allow grep to finish pro-
cessing when the cat before it finishes first. Using cat to feed grep would never require unbuffer in real life. It is merely a place-
holder for some imaginary process that may or may not finish. Similarly, the final cat at the end of the pipeline is also a placeholder
for another process.
$ cat /tmp/abcdef.log | grep abc | cat
abcdef
xxxabc defxxx
$ cat /tmp/abcdef.log | unbuffer grep abc | cat
$ (cat /tmp/abcdef.log ; sleep 1) | unbuffer grep abc | cat
abcdef
xxxabc defxxx
$
BUGS
The man page is longer than the program.
SEE ALSO
"Exploring Expect: A Tcl-Based Toolkit for Automating Interactive Programs" by Don Libes, O'Reilly and Associates, January 1995.
AUTHOR
Don Libes, National Institute of Standards and Technology
1 June 1994 UNBUFFER(1)