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Shell Programming and Scripting
Increment counter in ksh
Post 44190 by kduffin on Tuesday 2nd of December 2003 06:36:26 AM
12-02-2003
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1. UNIX for Dummies Questions & Answers
Simple script trying to increment a counter within an echo statement never gets past 1 - PLEASE HELP!
Thanks.
~~~~~~~~~~~
#!/bin/sh
stepup()
{
STEP=`expr $STEP + 1`
echo $STEP
}
#
# Initialize variables
#
STEP=0
echo "Counter Value: `stepup`"
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Hi,
I need some help.
Shell script counter. i need to add condition to check if counter is more than 10 and longer than 3 hours? it runs every 5 mins. it only check count and send email right now.
it runs in cron as below
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Hi !
How to increment a varibale in ksh.
#!/bin/ksh
set -x
RELEASE_NUM=5.2.103
VAL=0.0.1
RELEASE_NUM=`echo $RELEASE_NUM + $VAL | bc`
echo $RELEASE_NUM
The above code is throwing this error.
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Hi,
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if ;then
echo "mrnet greater 5000"
gzip /var/log/mrnet.log
mv /var/log/mrnet.log.gz /var/log/mrnet.log.1.gz
if ];then
i=1
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I have this file
1801,A1,2012-12-16 15:59:59.995,id2_3,ab,phoneC2-00,VOE,,,,,,,,,,,,,,,
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I am in need for some help. My competence level on unix is not at all helping me to resolve this. Please help.
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Hi,
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hello
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Hi all,
I'm using Bash 4.3.8 on an Ubuntu system, and no matter what I try, incrementing a counter won't work. The simplest example would be something like this:
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LEARN ABOUT OPENSOLARIS
echo
echo(1B) SunOS/BSD Compatibility Package Commands echo(1B) NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.11 3 Aug 1994 echo(1B)