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UNIX for Dummies Questions & Answers
using cut
Post 302632257 by jck33 on Sunday 29th of April 2012 04:39:56 PM
04-29-2012
Thanks for the answer, but:
copied from the exercise sheet
the numbers are repetition counts. This is why i am searching for a way to make it with cut
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Sry, i only tried to explain what it should do, not actually write code.
Sure i cannot cat a String, that was supposed to be $1 instead of $string.
Quote:
consider to use the
head or tail command, to restrict to the right number of most frequent resp. infrequent
words, and the cut command, to eventually get rid of repetition counts . . .
head or tail command, to restrict to the right number of most frequent resp. infrequent
words, and the cut command, to eventually get rid of repetition counts . . .
the numbers are repetition counts. This is why i am searching for a way to make it with cut
------
Sry, i only tried to explain what it should do, not actually write code.
Sure i cannot cat a String, that was supposed to be $1 instead of $string.
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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)