CHECK.COM - SUMMARY
 
Syntax:  CHECK keyword [parameter 1 parameter 2 ... ]
 
 
Function                      Return Code
_____________________________________________________________________________
 
FileSize filespec             Length of file in Kbytes
 
FileFound filespec            0:  File found
                              1:  File not found
 
FileText filespec 'string'    0:  String found
                              1:  String not found
 
DiskSpace [d:]                Number of whole 16 kbyte blocks free
                              on indicated or default drive
 
Memory                        Number of 16k RAM modules
 
VideoCard                     0:  Monochrome Display Adapter
                              1:  Color Graphics Adapter
                              2:  Enhanced Graphics Adapter
 
Model                         Machine ID byte
 
8087 or 80287                 0:  8087 or 80287 installed
                              1:  8087 or 80287 not installed
 
Time                          Current hour (0-23)
 
Day                           Current day (1-31)
 
Month                         Current month (1-12)
 
VideoMode                     Current Video mode (0-16)
 
Version                       Dos version (major integral number) in use
 
KeyBoard                      0:  Keyboard buffer empty
                              1:  Entry awaiting processing
 
KeyPress                      ASCII code of key pressed
 
 
                    Example of Check.com Usage in Batch File:
 
          CHECK TIME
          IF ERRORLEVEL 18 GOTO EVENING
          IF ERRORLEVEL 12 GOTO AFTERNOON
          ECHO GOOD MORNING!
          GOTO END
          :AFTERNOON
          ECHO GOOD AFTERNOON!
          GOTO END
          :EVENING
          ECHO GOOD EVENING!
          :END