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Cannot run a program using << with a string I create

• To: mathgroup at smc.vnet.net
• Subject: [mg115782] Cannot run a program using << with a string I create
• From: "James" <icorone at hotmail.com>
• Date: Thu, 20 Jan 2011 06:32:47 -0500 (EST)

Hi,

I'm trying to run a C program in Mathematica using the << operator.  This works if I explicitly code the operation as for example:

<<=E2=80=9D!myprogram var1 var2=E2=80=9D

However the numeric variables I=E2=80=99m passing to the program, var1 and var2 are arbitrary and I'd like to write something like:

myruncommand==E2=80=9D!myprogram =E2=80=9C<>ToString[var1]<>=E2=80=9D =E2=80=9C<>ToString[var2]=E2=80=9D

but when I attempt to execute:

<<myruncommand

I receive the error:

=E2=80=9CCannot open myruncommand=E2=80=9D

I don't understand what I'm doing wrong.  Can someone help me please?

Thanks,

James