SYSTEM SWITCHES

SYSTEM SWITCHES (SET)

Set Subcommand

Probe for values pertaining to certain operating system values.

Dataplot extracts the values of several operating system environment variables. These values can be obtained by the user using the PROBE command. Note that these settings cannot be modified with the SET command.

The list of available environment variable switches is

HOME	-	Returns the user's home directory. On Windows platforms, this is the value of the USERPROFILE environment variable. On Linux platforms, this is the value of the HOME environment variable.
USER	-	Returns the user name. On Windows platforms, this is the value of the USERPNAME environment variable. On Linux platforms, this is the value of the USER environment variable.
HOST	-	Returns the computer name. On Windows platforms, this is the value of the COMPUTERNAME environment variable. On Linux platforms, this is the value of the HOST environment variable for the c-shell or t-shell and the HOSTNAME variable for the bash shell.
DEFAULT PRINTER	-	Returns the default printer. On Linux platforms, this is the value of the PRINTER environment variable. This is not supported on Windows platforms.
SHELL	-	Returns the current shell. On Linux platforms, this is the value of the SHELL environment variable. This is not supported on Windows platforms.
WINDOWS BITS	-	Returns "64" if the machine is a 64-bit machine and "32" if the machine is a 32-bit machine. On Windows platforms, this is determined from the PROCESSOR_ARCHITECTURE environment variable. This is not supported on Linux platforms.
PROGRAM FILES	-	On Windows platforms, this is the value of the PROGRAMFILES environment variable. This is not supported on Linux platforms.
PROGRAM FILES X86	-	On Windows platforms, this is the value of the PROGRAMFILES(X86) environment variable. This is not supported on Linux platforms.

PROBE <SYSTEM SWITCH>
where <SYSTEM SWITCH> is one of the names listed above.

PROBE HOME
PROBE USER
PROBE HOST
PROBE DEFAULT PRINTER
PROBE SHELL
PROBE PROGRAM FILES X86
PROBE PROGRAM FILES
PROBE WINDOW BITS

The value is saved in the string PROBESTR. You can save the value to your own string as follows
PROBE USER
LET STRING USERNAME = ^PROBESTR

Dataplot queries the values of these settings when Dataplot is first initialized.

USER PROFILE is a synonym for HOME
USER NAME is a synonym for USER
HOST NAME is a synonym for HOST
COMPUTER NAME is a synonym for HOST

WORKSPACE SWITCHES	=	Probe for values pertaining to the Dataplot workspace.
HOUSEKEEPING SWITCHES	=	Probe for values pertaining to certain Dataplot housekeeping settings.
SYSTEM LIMITS	=	Parameters defining certain Dataplot limits.
MACHINE CONSTANTS	=	Return the values for certain machine constants.

Debugging

2020/01

 
PROBE USER
LET STRING USERNAME = ^PROBESTR
PROBE HOST
LET STRING COMPNAME = ^PROBESTR
PROBE HOME
LET STRING USERHOME = ^PROBESTR
.
PRINT "Computer Name:   ^COMPNAME"
PRINT "User Name:       ^USERNAME"
PRINT "Home Directory:  ^USERHOME"
    

The following output was generated

Computer Name:   h048122.nist.gov
User Name:       heckert
Home Directory:  /home/heckert/