My first shot at variables Post: 302233246

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Top Forums Shell Programming and Scripting My first shot at variables Post 302233246 by arcnsparc on Saturday 6th of September 2008 09:51:37 PM

09-06-2008

Registered User

My first shot at variables

Okay, so im setting up a script to start my internet dependent scripts once I am connected to the net. It got complicated because of the different networks I frequent but it goes something like this:

Code:

n=1
iwconfig wlan0 > wireless.txt
m= grep -c MGHS /home/jake/Scripts/wireless.txt
o= grep -c NMU /home/jake/Scripts/wireless.txt
while [ $n -le 50 ]; do
    echo $n & sleep 3
    let n++
    if (ping -c 1 www.google.com)
        then sh /home/jake/Scripts/netdepsu.sh
    elif test "$m" -ne "0" 
        then sh /home/jake/Scripts/netdepsu.sh
    elif test $o -ne $0
        then sh /home/jake/Scripts/netdepsu.sh
    else echo "no internet"
    fi
done

Basically, if that txt file contains the name of one of the weird networks I use then I want to start up the other script (i cant ping at NMU or MGHS). Here are the two errors I just cant get rid of:

./looper.sh: line 13: test: : integer expression expected
./looper.sh: line 15: test: -ne: unary operator expected

if I dont have that space after those '='s up top then I get this error:

./looper.sh: line 6: -c: command not found
./looper.sh: line 7: -c: command not found

I know this has to be an easy fix if anyone could let me know I'd be ever so grateful....

arcnsparc

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LEARN ABOUT REDHAT

wireless

WIRELESS(7)						     Linux Programmer's Manual						       WIRELESS(7)

NAME

       wireless - Wireless Tools and Wireless Extensions

SYNOPSIS

       iwconfig
       iwpriv -a

DESCRIPTION

       The  Wireless  Extensions  is  an API allowing you manipulate Wireless LAN networking interfaces.  It is composed of a variety of tools and
       configuration files. It is documented in more details in the Linux Wireless LAN Howto.
       The Wireless Tools are use to change configuration on the fly, to get statistics and diagnose those interfaces. They are described in their
       own man page (see below).
       Wireless  configuration	is specific to each Linux distribution. This man page will contain in the future the configuration procedure for a
       few common distributions (when I get the necessary info from them). For the time being, check the various files included with the  Wireless
       Tools package.

DEBIAN 3.0
       Debian 3.0 (and later) has integrated wireless configuration in their network scripts.

       File : /etc/network/interfaces

       Form : wireless_<function> <value>
	      wireless_essid Home
	      wireless_mode ad_hoc

       See also :
	      /etc/network/if-pre-up.d/wireless-tool
	      /usr/share/doc/wireless.##/README.Debian

ORIGINAL PCMCIA SCRIPTS

       If you are using the original configuration scripts from the Pcmcia package, you can use this method.

       File : /etc/pcmcia/wireless.opts

       Form : *,*,*,*)
		  ESSID="MY_ESSID"
		  MODE="Managed"
		  ;;

       See also :
	      /etc/pcmcia/wireless
	      File PCMCIA.txt part of Wireless Tools package

AUTHOR

       Jean Tourrilhes - jt@hpl.hp.com
       http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/

SEE ALSO

       iwconfig(8), iwlist(8), iwspy(8), iwpriv(8), iwevent(8).

net-tools							   12 July 2002 						       WIRELESS(7)