04-24-2013
Why should it "show blank"? If run as you posted, it will wait forever, and every now and then print a line containing the "word" to stdout.
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1. Shell Programming and Scripting
Hi,
I have a log file without date/time, and I want that everytime tail|grep find something it displays the date/time and the line. I have tried something like this command but without any luck to display the date/time:
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2. Shell Programming and Scripting
Hi,
I need to search email files by date & time range in email files.
The timezone is not important.
Can someone plz advise how i can do this ?
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A single date
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date & time range
Below is part of the email file. (4 Replies)
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3. Shell Programming and Scripting
Dear experts,
I have an epoch time input file such as : -
1302451209564
1302483698948
1302485231072
1302490805383
1302519244700
1302492787481
1302505299145
1302506557022
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4. Shell Programming and Scripting
How to tail -f real time file.
I want to tail file created last time.
The server is gen new file Always.
.
An example file.
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5. UNIX Desktop Questions & Answers
how can i grep a range?
i have a text file with the following text:
result.log.00:2012/01/02 12:00:07.422 LOG STARTED HERE
N6Kashya29MemoryShieldScheduler_AO_IMPLE, pid=8662/8658,
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6. Shell Programming and Scripting
Hi Guys,
I am developing a script to monitor log file Generated every hour.
When creating a new file scripts not working.
My Code . I want to monitor GatewayTransaction.yyyymmdd-hh.log
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7. Shell Programming and Scripting
# date +%s -d "Mon Feb 11 02:26:04"
1360567564
# perl -e 'print scalar localtime(1360567564), "\n";'
Mon Feb 11 02:26:04 2013
the epoch conversion is working fine. but one of my application needs 13 digit epoch time as input
1359453135154
rather than 10 digit epoch time 1360567564... (3 Replies)
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LEARN ABOUT DEBIAN
logtop
LOGTOP(1) General Commands Manual LOGTOP(1)
NAME
logtop - Realtime log line rate analyser
SYNOPSIS
logtop [OPTIONS]
DESCRIPTION
logtop is a System Administrator tool analyzing line rate on stdin.
It reads on stdin and print a constantly updated result
displaying, in columns:
Line number, count, frequency, and the actual line.
$ tail -f FILE | logtop
is the friendly version of:
$ watch 'tail FILE | sort | uniq -c | sort -gr'
OPTIONS
-s, --size=K
Only keep K lines in memory, instead of 10000.
-q, --quiet
Do not display a live view of the data, only display a top at exit.
-l, --line-by-line=K
Print result line by line, in a machine friendly format, K is the number of result to print per line.
Line by line format is : [%d %f %s ]*
%d : Number of occurences
%f : Frequency of apparition
%s : String (Control chars replaced by dots.
-i, --interval=K
Interval between graphical updates, in seconds. Defaults to 1.
-h, --help
Show summary of options.
-v, --version
Show version of program.
EXAMPLES
Here are some logtop usage examples.
tail -f cache.log | grep -o "HIT|MISS" | logtop
Realtime hit / miss ratio on some caching software log file.
tail -f access.log | cut -d' ' -f1 | logtop -s 10000
Realtime most querying IPs on your server, as long as log lines in access.log starts with the client IP.
tail -f access.log | cut -d' ' -f7 | logtop -s 10000
Realtime most requested web pages in a NCSA like log file.
cat auth.log | grep -v "CRON" | grep -o ": .*" | logtop -q -s 100000
Display a one-shot simple analyse of your auth.log.
SEE ALSO
watch(1)
AUTHOR
logtop was written by Julien Palard.
This manual page was written by Julien Palard <julien@palard.fr>, for the Debian project (and may be used by others).
April 16, 2011 LOGTOP(1)