Eof(#) - Sharp MZ-700 Basic Manual

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EOF (#) (end of file)
Function to locate end of data file data.
Format:
EOF (# <logical number»
Abbreviated form:
EO.(#
Explanation:
• The function used to determine the end of the data for file read-out.
• When read-out continues after the end of data in the data file, there is no error
generation, and 0 or null (" ") is provided as the data value.
• Error is generated, however, when data are read out from CMT.
• This function is used in combination with the IF statement and placed after each
INPUT statement.
Example
10 ROPEN #3," DATA"
20 I NPUT#3,A
30 IF EOF( #3) THEN END
40 PR I NT A
50 GOTO 20
..... With this program data are read-out in sequence from the "DATA" file and are
displayed on the screen. And, if the read-out data are out of file, this process
should be end.