read string from file into variable

Hello,
I need to read from a file consisting of only one integer and enter that number into variable.can anyone help?
the script is written in cshell.
thanks.

 
var=`cat file`

thanks a lot.works great.

With bash and ksh you can also do :

var=$(<file)

Jean-Pierre.

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In any Bourne-type shell:

read var < file