check if argument is an ip address in bash/sh Post: 302132449

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

how to check if the argument contain wildcard (*,?) ?

In a script , i would like to check if the argument ( $1, $2 inside the script) contain wildcard (*,? etc). how do i do it? > script_name arg1 arg* $1 (arg1) does not contain wildcard, but $2 (arg* )contains wildcard. how can i tell in script? i need to do this is because : if arg1...

2. Shell Programming and Scripting

Check if argument passed is an integers

How do I check if the argument passed to a script is an integer? I am writting a script that will take to integers and want to be able to check before I go on. I am using bourne shell. Thanks in advance

3. UNIX for Dummies Questions & Answers

Check for Empty Command Argument

I have a script that when called can have 1 or 2 command arguments. If only 1 command argument is passed into the script how can I check that the second argument is null? I am working in Korn shell in a UNIX environment. Example of script call with 2 arguments: % statreport 0300 1430 ...

4. UNIX for Dummies Questions & Answers

Bash script argument problem

I'm having problems with bash scripts. If a bash script is called with no arguments, I always get "PHIST=!" as the first argument (i.e. this is what $1 equals). Why? Where does this come from, and how can I fix it? Nothing in the bash man pages refer to this mysterious default argument.

5. Shell Programming and Scripting

Using GET, passing argument to bash

Hi guys! So, I use GET ( Simple user agent using LWP library. ) on a remote text file that is then passed to bash and executed. However, I need to pass that bash script a single argument, and so far nothing that I have tried has worked, although I have learned quite a bit about input/output...

6. Shell Programming and Scripting

How to use perl to run bash with argument?

Hi All, I want to run a bash script using perl. But they are in the different dir. #! /usr/bin/perl -w use strict; my $root=`pwd`; chomp($root); my $cmd=".$root/testdir/ft_623.sh 3 4 5 6 7"; print $cmd; my @line=`$cmd`; foreach (@line){ print $_; } ft_623.sh

7. Shell Programming and Scripting

Check for spaces in input argument!

Hi guys, I have created a csh script which allows user to pass input argument with the script like: cluster_on_lev3.csh -t <value> -p <value> Example: cluster_on_lev3.csh -t 2.3 -p 0.05 Now I want to create an error code where if user passes input argument without spaces , the code...

8. Shell Programming and Scripting

Need a script to check if an argument is valid shell variable

I need a script that should print 'yes' if the argument is a valid shell variable name else 'No' if it is not a valid shell variable. A valid one begins with an alphabet or percentage (%) character and is followed by zero or more alphanumberic or percentage (%) characters. For example: $...

9. Shell Programming and Scripting

Argument check

All, I'm writing an argument checking block and running into an error. I want to confirm that $1 is one of two values. Here is what I have: if ]; then echo -e "\nPlease check your first augument. You used \"$1\" which is not recognized. Please see usage:" usage ...

10. UNIX for Beginners Questions & Answers

Bash argument not expanding in script

I pass an argument to bash as run. The first command in green executes as expected, however the second in blue fails as the $run does not expand. I tried to escape the variable with \ thinking the quotes were making the literal translation and also "${run}" but both did not work to expand the...

LEARN ABOUT NETBSD

urlphy

URL(4)							   BSD Kernel Interfaces Manual 						    URL(4)

NAME

     url -- Realtek RTL8150L USB Ethernet driver

SYNOPSIS

     url*    at uhub?
     urlphy* at mii?

DESCRIPTION

     The url driver provides support for USB Ethernet adapters based on the Realtek RTL8150L USB-ether bridge chip.

     The url driver supports the following adapters:

	   CompUSA USBKR100
	   GreenHouse GH-USB100B
	   Melco Inc. LUA-KTX
	   Sitecom LN013

     For more information on configuring this device, see ifconfig(8).

DIAGNOSTICS

     url%d: watchdog timeout  A packet was queued for transmission and a transmit command was issued, however the device failed to acknowledge the
     transmission before a timeout expired.

     url%d: no memory for rx list  The driver failed to allocate an mbuf for the receiver ring.

SEE ALSO

     arp(4), mii(4), netintro(4), usb(4), ifconfig(8)

HISTORY

     The url device driver first appeared in NetBSD 1.6.

AUTHORS

     The url driver was written by Shingo WATANABE <nabe@nabechan.org>.

BSD
								September 18, 2006							       BSD

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

how to check if the argument contain wildcard (*,?) ?

Discussion started by: gusla

2. Shell Programming and Scripting

Check if argument passed is an integers

Discussion started by: elchalateco

3. UNIX for Dummies Questions & Answers

Check for Empty Command Argument

Discussion started by: Nysif Steve

4. UNIX for Dummies Questions & Answers

Bash script argument problem

Discussion started by: sszd