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Hello Helen,

echo "$var" | grep [^a-zA-Z0-9] >/dev/null
will return a 0 if $var is "bin*" because the grep is only serching for alphabetic characters and numbers.

Plus if you do: echo "$var"...

Thats what I would like to do, Is there a way to set the type of infromation being sent?

I am trying to send hex strings down a port but the server treats the strings as ascii. When I telnet to a port, is there a way in which I can specify that the string being sent is in hexadecimal...