Filegets - Omron NY532-5400 Reference Manual

FileGets

The FileGets instruction reads a text string of one line from the specified file in the SD Memory Card.
Instruction
FileGets Get Text String
Variables
Name Meaning
FileID File ID
TrimLF Line feed
designation
Out Read text
string
EOF End of file
Bit strings
FileID
TrimLF OK
Out
EOF OK
Function
The FileGets instruction reads a text string of one line from the position of the file position indicator in
the file specified by file ID FileID in the SD Memory Card. The file position indicator is set at the desired
location in advance with the FileSeek instruction. Line endings are determined by a line feed code. The
text string that is read is written to read text string Out. The following three line feeds are automatically
detected: CR, LF, and CR+LF. If line feed designation TrimLF is TRUE, the line feed code is deleted
from the text string before it is written to Out. If data is read to the end of the file, end of file EOF
changes to TRUE. Otherwise, the value of EOF will be FALSE.
NY-series Instructions Reference Manual (W560)
Name FB/FUN
FB
I/O Description
ID of file to read
Handling of the line feed
code of text string that was
Input
read
TRUE: Delete.
FALSE: Do not delete.
Text string that was read
Whether end of file was
Output
reached
TRUE: Reached.
FALSE: Not reached.
OK
Graphic expression
FileGets_instance
FileGets
Execute Done
FileID Busy
TrimLF Error
ErrorID
Out
EOF
Valid range
Depends on data type.
Depends on data type.
Integers
2 Instruction Descriptions
ST expression
FileGets_instance(Execute,
FileID, TrimLF, Done, Busy,
Error, ErrorID, Out, EOF);
Unit Default
0
FALSE
---
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Times, durations, dates,
and text strings
2-1281
2
OK