Anyone ever seen this? Someone mentioned this the other day....
If you do, for instance, in korn shell, echo $(5.2+2.5), it gives the result of 6 regardless.
Can't remember why but it was the limitation of the korn shell.
The command echo $(5.2+2.5) only prints 6 if you have a utiiity named 5.2+2.5 that prints 6. When I run that command on my system, I get the diagnostic:
If:
prints 6 for you, what does the command:
print?
With a 1993 or later version of the Korn shell, the command echo $((5.2+2.5)) (note the double sets of parentheses) prints 7.7. With an earlier version of the Korn shell, the results are probably similar to what you get giving that command to bash; a diagnostic something like:
hi,
I have this script which gives me the result...
#! /usr/bin/sh
set -x
cd /home/managar
a=1
while true
do
if
then
echo " File log.txt exists in this directory "
exit 0
fi
echo " File has not arrived yes..."
sleep 3
let a=a+1
if
then (1 Reply)
I am writing a script to keep check on free disk space, and I would like to find a way to parse $LINE (see code below) into a numeric value (for free disk space percentage) and a string value (for mount point). If possible, I would like to avoid sed or any additional use of awk since I am not very... (7 Replies)
Hello, in a script i would like to evaluate a command output with a grep, for example, to know if the parameter defined by the user is in the output.
Something like: the_command | grep $1
Please, how is the way to evalulate in this a script, like
if
echo "incorrect parameter, not in... (2 Replies)
Hi,
I have the following requirement.
V="First"
R="V"
echo $$R
The output should be First. How do i achieve this.
how do we evaluate the $R and evaluate it to $V as $R contains V
and $V is First.
Thanks
Vijay (2 Replies)
CPAN.pm: Going to build G/GA/GAAS/Unicode-String-2.09.tar.gz
Checking if your kit is complete...
Looks good
Writing Makefile for Unicode::String
cp String.pm blib/lib/Unicode/String.pm
cp lib/Unicode/CharName.pm blib/lib/Unicode/CharName.pm
/usr/bin/perl /usr/perl5/5.8.4/lib/ExtUtils/xsubpp... (5 Replies)
Hi everybody, I have a string stored in a variable called record:
record="SNMPv2-SMI::ent.9.9.43.1.3.9.2 = Timeticks: (177330898) 20 days, 12:35:08.98"
I want to write some regular expressions good for Korn Shell to extract the number between parenthesis, in this case 177330898, and put it in... (3 Replies)
hello,
i have a variable which should have following content :
var="value1"
or
var="value2"
or
var="value2:*" # example: value2:22
how can i check :
- if the content is ok (value1 / value2* )
- the two options of "value2"
when content is example "value2:22" , i want to split... (3 Replies)
Hi,
I am writing a script in awk trying to replace strings that are math expressions with their result.
For example, I have a file that looks like this:
5-1
32/8-1
4*12
17+1-3
I would like to get the following output:
4
3
48
15
I tried doing it the following way (using the "bc"... (8 Replies)
Conversion of string into currency value..
ex1:
number_of_positions=2
input_string=345987
Output= 345,987.00
ex2:
number_of_positions=4
input_string=1345987
Output= 1,345,987.0000
Please respond as soon as possible
edit by bakunin: we will gladly respond as soon as... (15 Replies)
RHEL 7.0, IPV6
Scenario:
I have routed specific network using network scripts.
1. "ip -6 route show" shows that route has been added. ( with metric 1024)
2. Ping of the specific IP through that route is successful.
3. Now after few days, for some reason, we see that cache route appears for... (3 Replies)
Discussion started by: msr1981
3 Replies
LEARN ABOUT OSX
platform::shell
platform::shell(n) Tcl Bundled Packages platform::shell(n)
__________________________________________________________________________________________________________________________________________________NAME
platform::shell - System identification support code and utilities
SYNOPSIS
package require platform::shell ?1.1.4?
platform::shell::generic shell
platform::shell::identify shell
platform::shell::platform shell
_________________________________________________________________DESCRIPTION
The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell.
This package allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only
requirement is that the other shell (identified by its path), is actually executable on the current machine.
While for most platform this means that the architecture of the interrogated shell is identical to the architecture of the running shell
this is not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run
32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers.
For applications like a code repository it is important to identify the architecture of the shell which will actually run the installed
packages, versus the architecture of the shell running the repository software.
COMMANDS
platform::shell::identify shell
This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell.
platform::shell::generic shell
This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell.
platform::shell::platform shell
This command returns the contents of tcl_platform(platform) for the specified Tcl shell.
KEYWORDS
operating system, cpu architecture, platform, architecture
platform::shell 1.1.4 platform::shell(n)