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Purpose |
Determine if standard input is coming from the console input buffer, or has been redirected from another source. |
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Syntax |
v& = CONSIN |
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Remarks |
CONSIN returns TRUE (non-zero) if standard input is originating at the console keyboard, or FALSE (zero) if it is redirected from a file or device, which is determined at the start of program execution. |
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See also |
CONSHNDL, CONSOUT, GETSTDERR, GETSTDIN, GETSTDOUT, STDEOF, STDERR, STDIN LINE, STDOUT |
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Example |
IF ISTRUE CONSIN THEN A$ = "STDIN is taking input from the keyboard" ELSE A$ = "STDIN has been redirected" END IF |