Edit: Factor/Running Factor

The Factor UI runs by default if it can: - *macOS*: Double-click %Factor.app% or run %open Factor.app% in a Terminal to start the UI; run %./factor% in the Terminal to start a command-line listener - *Windows*: Double-click %factor.exe%, or run %.\\factor.com% in a command prompt, to start the Factor UI - *Unix*: Run %./factor% in a shell to start the Factor UI if %$DISPLAY% is set. If %$DISPLAY% is not set, this will start a command line listener To start a command-line listener on Windows or Unix, pass %-run=listener% to the VM. For more information about command line switches, see [[http://docs.factorcode.org/content/article-command-line.html]]. = Windows: Difference between factor.exe and factor.com = On Windows, %factor.exe% is the preferred executable to use when launching Factor from Windows Explorer, whereas %factor.com% should be used from the command prompt. Running %factor.exe% from the command prompt will suppress standard input and output, and running %factor.com% from Windows Explorer will open a console window, even if the Factor UI is running. On other platforms, the same Factor VM binary is able to be used in both command-line and graphical modes, but on Windows, whether or not a program can use the console is a property of the executable file itself, and not of the program's runtime. Two executables are needed; building solely as a console application is unacceptable, because even if a hack is added to the VM's %main()% function to hide the console as soon as the program starts in graphical mode, it would still flicker on the screen. There is no way around this with the Win32 API. = macOS: the Factor.app bundle = On macOS, the %factor% binary at the top level of the source tree cannot run the Factor UI; it always runs the command-line listener. The %Factor.app% bundle runs the UI by default. It is also possible to run %Factor.app% in command-line mode, by issuing the following in the Terminal, and this is in fact equivalent to running the VM using the %factor% binary at the top-level: [{./Factor.app/Contents/MacOS/factor -run=listener}]

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