Omron SYSMAC FH Series User Manual

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Macro Reference
510
Vision System FH/FZ5 Series
User’s Manual (Z340)
Eof
Examines the end of the file.
Format
Eof(<fileNo>)
Parameter
Return value
Returns an integer value that notifies if the end of the file is reached.
• 0: The end of the file is reached
• -1: The end of file is not reached
Description
Check if the end of the file of the file number specified in the <fileNo> is reached.
If an unopened file number is specified in the <fileNo> parameter, an "Illegal function call" error will occur.
If a value outside the range of 0 to 15 is specified in the <fileNo> parameter, an "Illegal function call" error will
occur.
If an incorrect data type is specified for a parameter, a "Type mismatch" error will occur.
If a value outside the range -2147483648 to 2147483647 is specified as an integer parameter, an "Overflow"
error will occur.
If the format is written incorrectly, such as writing the macro function name incorrectly, omitting a comma, or
omitting a half-width space, a "Syntax error" error will occur.
Usage Cautions
• None.
Example
Reads the data until the end of the file.
Parameter
name
Data type Description
<fileNo> Integer type File number (0 to 15) of the examined file end.
Dim ALLDATA$(255)
Rem Open the file
Open "E:\input.dat" For Input As #1
For I&=0 to 255
Rem Read line by line from the top of the file
Input #1, DATA$
ALLDATA$(I&) = DATA$
Rem Check if the end of the file is reached
If Eof(1) <> 0 Then
Exit For
Endif

Omron SYSMAC FH Series Specifications

General

Brand	Omron
Model	SYSMAC FH Series
Category	Industrial Equipment
Language	English