Working in HP-UX 10.20. I eventually want to write a bourne shell script to handle the following problem, but for now I am just toying with it at the command line.
Here's what I am basically trying to do:
tail -f log_X | grep n > log_Y
I am doing a tail -f on log_X . Once it sees "n", I... (6 Replies)
Hello all,
I have search the forum and could not find an answer...Here is what I am trying to do. Every 15 minutes, a script send uptime output to a logfile (dailylog.log), that file contains lines like the one below:
11:21am up 44 days, 19:15, 1 user, load average: 0.00, 0.02, 0.03
... (7 Replies)
I am trying to extract a particular line from a.log which keeps appending every sec and output that into a newfile b.log which should append itself with filtered data received from a.log
I tried
tail -f a.log |grep fail| tee -a b.log
nothing in b.log
tail -f a.log |grep fail >>b.log
... (4 Replies)
Hi Everyone ,
I am facing a strange problem
i have made the follwing script to watch a appending log file (abc.log) but its not moving after the line tail -f ,
any suggestions
=====================================
#!/bin/bash
while true
do
tail -f abc.log | grep "exceptions"
echo hi... (12 Replies)
Hi ,
I have Continuous updating log file. I want to continuously scan that file using "tail -f " and execute a shell command like "date" command when that particular keyword is detected .
I am using awk to acheive it but not suceeded so far. However when I use "cat" instead of tail -f this... (3 Replies)
Hi All,
Although each line below seems to work by itself, I've been having trouble getting the Control-C trap working when I add the "|perl -pe..." to the end of the tail -f line, below.
(That |perl -pe statement basically just adds color to highlight the word "ERROR" while tailing a log... (2 Replies)
Hi,
I want to write a script which will tail a particular file for 15 mins and then sleep for 10 mins and again tail for 15 mins. This cycle will go on for a limited period of time.
How can i ensure that tail command will run for 15 mins before calling sleep command
Thanks (6 Replies)
I have 250 files that have 16 columns each - all numbered as follows stat.1000, stat.1001, stat.1002, stat.1003....stat.1250.
I would like to join all 250 of them together tail by tail as follows. For example
stat.1000
a b c
d e f
stat.1001
g h i
j k l
So that my output... (2 Replies)
because the tail +2 on the first line gives me the file name pomga I do not want anything like what I miss
tail +2 ejemplo.txt
ouput
==> ejemplo.txt <==
1
2
3
4
5
6
7
8
9
10 (2 Replies)
Hi Team,
I have written the shell script which returns the result of the disk space filesystems which has crossed the threshold limit in HTML Format. Below mentioned is the script which worked perfectly on QA system.
df -h | awk -v host=`hostname` '
BEGIN {
print "<table border="4"... (13 Replies)
Discussion started by: Harihsun
13 Replies
LEARN ABOUT DEBIAN
resize
RESIZE(1) General Commands Manual RESIZE(1)NAME
resize - set environment and terminal settings to current xterm window size
SYNOPSIS
resize [ -u | -c ] [ -s [ row col ] ]
DESCRIPTION
Resize prints a shell command for setting the appropriate environment variables to indicate the current size of xterm window from which the
command is run. For this output to take effect, resize must either be evaluated as part of the command line (usually done with a shell
alias or function) or else redirected to a file which can then be read in. From the C shell (usually known as /bin/csh), the following
alias could be defined in the user's .cshrc:
% alias rs 'set noglob; eval `resize`'
After resizing the window, the user would type:
% rs
Users of versions of the Bourne shell (usually known as /bin/sh) that don't have command functions will need to send the output to a tempo-
rary file and then read it back in with the "." command:
$ resize > /tmp/out
$ . /tmp/out
Resize determines the user's current shell by first checking if $SHELL is set, and using that. Otherwise it determines the user's shell by
looking in the password file. Generally Bourne-shell variants (including ksh) do not modify $SHELL, so it is possible for resize to be
confused if one runs resize from a Bourne shell spawned from a C shell.
OPTIONS
The following options may be used with resize:
-u This option indicates that Bourne shell commands should be generated even if the user's current shell isn't /bin/sh.
-c This option indicates that C shell commands should be generated even if the user's current shell isn't /bin/csh.
-s [rows columns]
This option indicates that Sun console escape sequences will be used instead of the VT100-style xterm escape codes. If rows and
columns are given, resize will ask the xterm to resize itself. However, the window manager may choose to disallow the change.
Note that the Sun console escape sequences are recognized by XFree86 xterm and by dtterm. The resize program may be installed as sunsize,
which causes makes it assume the -s option.
The rows and columns arguments must appear last; though they are normally associated with the -s option, they are parsed separately.
FILES
/etc/termcap for the base termcap entry to modify.
~/.cshrc user's alias for the command.
ENVIRONMENT
TERM set to "xterm" if not already set.
TERMCAP variable set on systems using termcap
COLUMNS, LINES variables set on systems using terminfo
SEE ALSO csh(1), tset(1), xterm(1)AUTHORS
Mark Vandevoorde (MIT-Athena), Edward Moy (Berkeley)
Copyright (c) 1984, 1985 by X Consortium
See X(7) for a complete copyright notice.
X Window System RESIZE(1)