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       read FILEHANDLE,SCALAR,LENGTH,OFFSET

       read FILEHANDLE,SCALAR,LENGTH
               Attempts to read LENGTH bytes of data into
               variable SCALAR from the specified FILEHANDLE.
               Returns the number of bytes actually read, `0' at
               end of file, or undef if there was an error.
               SCALAR will be grown or shrunk to the length
               actually read.  An OFFSET may be specified to
               place the read data at some other place than the
               beginning of the string.  This call is actually
               implemented in terms of stdio's fread(3) call.  To
               get a true read(2) system call, see `sysread'.


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