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11 INSTRUCTIONS AND FUNCTIONS
LINE INPUT#
Instruction
• Stores the entire line (255 characters or less) from a sequential file into a character string
variable without any delimiters.
LINE INPUT # <file number> , <character string variable>
Syntax
file number
character string variable
LINE INPUT# 1, A$
Examples
Sequential File #1
ABCDEFG • • • • • • • • • • • •
• The LINE INPUT# instruction reads an entire line from the sequential file specified in <file
Description
number> and stores it in a character string variable.
• The sequential file must be open with the OPEN instruction prior to executing this
instruction.
• The LINE INPUT# instruction reads all characters (including commas (,), colons (:),
semicolons (;), and double quotation marks (")) without separating the characters until the
Enter key (&H0D) is pressed.
" ABCD" ," EFGH" ," IJ;KL"
• A maximum of 255 characters can be read. If the Enter key is not detected within 255
characters, all 255 characters will be read as one character string.
ABCDEFGH
ABCDEF • • • • • • • • ; "XY"
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LINE INPUT #
A$= "ABCD "
255 characters
A$
22 characters
Enter
Reads 8 characters up to the
Reads all 255 characters.
REMARK
See the INPUT# instruction and INPUT$ function, and Chapter 6.
• • • •
Specify the file number from which the data will be
read.
• • • •
Specify the variable to which the read character
string will be stored.
• • • •
Reads one line from the sequential file number 1 and
stores it in A$.
Enter
MELSEC-Q
key.
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