WRITE (file statement) - mkilgore/QB64pe GitHub Wiki

The WRITE # file statement writes a list of comma separated variable values to a sequential file or port.

WRITE (file statement)filenumber&[,]

• filenumber& is the number of the file or device OPENed in the OUTPUT or APPEND modes. See: FREEFILE.
• expressionList is a comma-separated list of values to be written to the file or device.
• WRITE can place any number and types of variable values needed in a file record separated by commas.
• String values will have quotation marks although quotes are not required to read strings in CSV files with INPUT #.
• Data files using WRITE normally will have the same number of values listed on each file line.
• Data containing commas must be in quotation marks. Number commas are illegal!
• WRITE created files are normally read with INPUT #.
• CSV files created can be read by Excel using a .CSV file name extension. Strings may or may not include quotation marks.
• Semicolons cannot be used in or following the WRITE statement!

OPEN filename$ FOR...NEXT OUTPUT AS #1 'opens and clears an existing file or creates new empty file 

WRITE (file statement) #1, x, y, z$ 

CLOSE #1 

PRINT "File created with data. Press a key!" 

K$ = INPUT$(1) 'press a key 

OPEN filename$ FOR (file statement) INPUT (file mode) AS #2 'opens a file to read it 

INPUT (file statement) #2, a, b, c$ 

CLOSE #2 

PRINT a, b, c$
WRITE a, b, c$ 

END '' ''

File content: WRITE string values will include quotation marks, but they are not required to read the file.

1,2,"Three"

Screen output: PRINT string values will not display enclosing quotes. WRITE screen displays will.

 1           2          Three
1,2,"Three"

• PRINT #
• INPUT #
• LINE INPUT #
• SQL Client (library)