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Top Forums UNIX for Dummies Questions & Answers Bashrc File - Conditional Command Execution? Post 302934774 by mrm5102 on Tuesday 10th of February 2015 01:43:03 PM
Old 02-10-2015
Hey RudiC, thanks for the reply.

Yea, I ruled out using the IP Address because of that reason (*DHCP) and also that other users could be logged in remotely as well... Not sure what version that has been deprecated on but the remote PC is running OpenSuSE 13.1 Kernel 3.14... so its fairly newer I suppose...

But anyway, I think the "who am i" command should help me do what I want. I was thinking of something like this below. This is just a simple test, but it seems to have worked:
Code:
REGEX="[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"

if [[ `who am i` =~ $REGEX ]]
 then
    echo "TRUE"
else
    echo "FALSE"
fi

After SSH'ing in I ran this file and it printed "TRUE", then I physically went to this machine and ran this file and it printed "FALSE". So I think it should work.

And I know the REGEX isn't very precise in terms of fitting into what the standards of what an IP Address can be (*i.e. the regex allows numbers higher then 255) but for my purposes I think this should suffice...

Thanks Again for the reply,
Matt
 

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VARIANT_AND(3)								 1							    VARIANT_AND(3)

variant_and - Performs a bitwise AND operation between two variants

SYNOPSIS
mixed variant_and (mixed $left, mixed $right) DESCRIPTION
Performs a bitwise AND operation. Note that this is slightly different from a regular AND operation. PARAMETERS
o $left - The left operand. o $right - The right operand. Note As with all the variant arithmetic functions, the parameters for this function can be either a PHP native type (integer, string, floating point, boolean or NULL), or an instance of a COM, VARIANT or DOTNET class. PHP native types will be converted to variants using the same rules as found in the constructor for the "VARIANT" class. COM and DOTNET objects will have the value of their default property taken and used as the variant value. The variant arithmetic functions are wrappers around the similarly named functions in the COM library; for more information on these functions, consult the MSDN library. The PHP functions are named slightly differently; for example variant_add(3) in PHP cor- responds to VarAdd() in the MSDN documentation. RETURN VALUES
Variant AND Rules +------------+--------------------+---+ |If $left is | | | | | | | | | If $right is | | | | | | | | then the result is | | | | | | +------------+--------------------+---+ | | | | | TRUE | | | | | | | | | | | | | TRUE | | | | | | | | | | | | TRUE | | | | | | | | | | | TRUE | | | | | | | | | | | | | FALSE | | | | | | | | | | | | FALSE | | | | | | | | | | | TRUE | | | | | | | | | | | | | NULL | | | | | | | | | | | | NULL | | | | | | | | | | | FALSE | | | | | | | | | | | | | TRUE | | | | | | | | | | | | FALSE | | | | | | | | | | | FALSE | | | | | | | | | | | | | FALSE | | | | | | | | | | | | FALSE | | | | | | | | | | | FALSE | | | | | | | | | | | | | NULL | | | | | | | | | | | | FALSE | | | | | | | | | | | NULL | | | | | | | | | | | | | TRUE | | | | | | | | | | | | NULL | | | | | | | | | | | NULL | | | | | | | | | | | | | FALSE | | | | | | | | | | | | FALSE | | | | | | | | | | | NULL | | | | | | | | | | | | | NULL | | | | | | | | | | | | NULL | | | | | | +------------+--------------------+---+ SEE ALSO
variant_or(3). PHP Documentation Group VARIANT_AND(3)
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