Input$ Function

Syntax:
Input[$](N, StreamNum)
Group: File
Description:
Return N chars from StreamNum.
Parameter Description

N Read this many chars. If fewer than that many chars are left before the end of file then a run-time error occurs.
StreamNum Streams 1 through 255 are private to each macro. Streams 256 through 511 are shared by all macros.
Example:

Sub Main
Open
"XXX" For Input As #1
L = LOF(1)
T$ = Input$(L,1)
Close
#1
Debug
.Print T$;
End
Sub