Input Commands

The following functions can be used to gather input data:

COMM	Retrieve the value or status of a communications parameter
COMM LINE	Receive a CR/LF terminated "line" of data from a serial port
COMM RECV	Receive binary data from a serial port
COMMAND$	Return the command-line used to start the program
ENVIRON	Modify the current program's environment table.
ENVIRON$	Retrieve strings from the operating system's environment table
EOF	Return end-of-file status of a file, serial or TCP/UDP transmission
FIELD	Bind a field string to a file buffer or dynamic string variable
FILESCAN	Rapidly scan a INPUT or BINARY file to obtain string size info
FREEFILE	Return the next available PowerBASIC file number
GET	Read a record from a random-access file
GET$	Read a string from a file opened in binary mode
GETSTDIN	Return the handle of the standard input device
GETSTDKBD	Return the handle of the standard keyboard device
GRAPHIC INKEY$	Read a keyboard character if one is ready from the graphic window
GRAPHIC INPUT	Read data from the keyboard from within a graphic window
GRAPHIC INPUT FLUSH	Remove all buffered keyboard data.
GRAPHIC INSTAT	Determine whether a keyboard character is ready.
GRAPHIC LINE INPUT	Read an entire line from the keyboard from graphic window
GRAPHIC WAITKEY$	Read a keyboard character from the graphic window, waiting until one is ready.
GRAPHIC WINDOW CLICK	Check whether a graphic window has been clicked with the mouse
INKEY$	Read a keyboard or mouse event from the console input buffer
INPUT	Read a line from the keyboard, assigning data to one or more variables
INPUT#	Load variables with data from a sequential file
INPUT FLUSH	Empty all pending keyboard and mouse events from the buffer
INSHIFT	Return the state of the keyboard Shift, Ctrl and/or Alt keys
INSTAT	Determine whether a keyboard or mouse event is available
KEY	Assign a string expression to a function key (F1 to F12)
KEY$	Retrieve the string expression assigned to a function key with the KEY statement
LINE INPUT	Read an entire line from the keyboard into a string variable
LINE INPUT#	Read line(s) from a sequential file into a string variable or array
LOC	Determine the current seek position in an open disk file
LOF	Return the length of an open disk file
MOUSE	Turn on/off mouse event trapping and define required mouse events
MOUSEBUTTONS	Return the number of buttons on the system mouse
MOUSESTAT	Determine if a mouse event is waiting to be retrieved
MOUSEX	Return the current column (x coordinate) of the mouse cursor
MOUSEY	Return the current row (y coordinate) of the mouse cursor
PEEK	Return the byte at a specific memory location
PEEK$	Return a sequence of bytes starting at a specific memory location
STDEOF	Return TRUE if the end of standard input has been reached
STDIN LINE	Read one line of text from the standard input device
WAITKEY$	Read a character or mouse event from the console input buffer
WAITSTAT	Wait until a key is pressed or a mouse event occurs