B4P Reference

Variable Name	Variable Type	Protection Settings	Description
command line arguments[]	numeral	read only	Number of command line arguments, at least 1
...[0]	string	full access	1st command line argument (typically the name of the B4P program file)
...[1, 2, ...]	string	full access	Additional command line arguments if available

local settings[]	void	locked	Following variables refer to local settings
...[locale]	string	read only	Configured locale as part of locale settings. Use set locale() to change.
...[country name]	string	read only	Configured country as part of locale settings. Use set locale() to change.
...[language]	string	read only	Configured language as part of locale settings. Use set locale() to change.
...[currency symbol]	string	limited access	Currency symbol as configured in locale settings
...[decimal separator]	string	limited access	Typically 1 chracter, e.g. '.', ','
...[thousand separator]	string	limited access	Typically 1 chracter, e.g. ',', '.', ' ', "'"
...[date format]	string	limited access	E.g. "DD.MM.YYYY", "MM/DD/YY", etc. See date to string formatting parameters.
...[date format short]	string	limited access	E.g. "DMY" or "MDY", used for resolving ambiguities in extracting dates from strings
...[date separator]	string	limited access	Typically 1 chracter, e.g. '.', '/', '-'
...[time format]	string	limited access	E.g. "HH:II:SS" Note the "I" for minute digits. See date to string formatting parameters.
...[time separator]	string	limited access	Typically 1 chracter, e.g. ':'
...[list separator]	string	limited access	Typically 1 chracter, e.g. ',', ';'. Used for CSV file format. Excel uses different symbols around the world.

libraries[]

boolean

prevent deleting

This system variable is reserved for libraries to add structured info such as version and other important info. It helps to unclutter the global variable space.

runtime settings[]	void	locked	Following variables refer to run-time settings
...[crlf]	boolean	limited access	If true, then new-lines in files saved will be CR+LF, otherwise just line feed (LF). For Linux and MACOS releases, this variable is true, for Windows it is false.
...[epsilon]	numeral	limited access	Epsilon as numeric tolerance value used for comparisons. E.g. values below epsilon may be interpreted as zero. Inital value is 1E-09.
...[exit directly]	boolean	limited access	Normally false, i.e. user must press [Enter] to finally leave the program and the console window may close. If set to true, then B4P programs exist directly.
...[search files ignore case]	boolean	limited access	Normally true under Windows and false under Linux/MACOS. In Windows systems, finding files is not case sensitive.
...[input file character set]	string	limited access	Default character set assumed if text file are loaded, are not of UTF-16 type and have no byte order marks, and too few special symbols were inside to recognize the files properly. Presently, its win-1252 for Windows and utf-8 for Linux/MACOS systems. Following character sets are supported: ansi, iso8859-1, win1252, utf-8, utf-16, utr-16 big endian.
...[output file character set]	string	limited access	Default character set assumed for saving files if no other format specified. Presently it's utf-8.
...[memorize table columns]	boolean	limited access	See memory effect regarding table header names begin memorized. Set to false to deactivate memorizing.
...[prompt]	string	limited access	Current prompt as used in the interactive mode. Change it using the prompt() function.
...[registry my space]	string	limited access	Obsolete.
...[verbose]	string	limited access	Verbose levels. See verbose for more details.
...[found main]	boolean	read only	true if B4P was started without a specified B4P program file, but has found 'main.b4p' in the current or starting directory.

system info[]	void	locked	Following variables refer to operating-system specific characeristics
...[app data directory]	string	read only	Local machine application data directory Windows: "C:\ProgramData\b4p" Linux/MACOS: "/home/user name/.config"
...[app data directory b4p]	string	read only	Local machine application data directory with B4P subdirectory Windows: "C:\ProgramData\b4p" Linux/MACOS: "/home/user name/.config/b4p"
...[user app data directory]	string	read only	User application data directory Windows: "C:\Users\user name\AppData\Local" Linux/MACOS: "/home/user name/.config"
...[user app data directory b4p]	string	read only	User application data directory with B4P subdirectory Windows: "C:\Users\user name\AppData\Local\b4p" Linux/MACOS: "/home/user name/.config/b4p"
...[bin directory]	string	read only	Location of binary executable file Windows: "C:\ProgramData\b4p" Linux/MACOS: "/home/user name/.config/b4p"
...[program directory]	string	read only	Program directory Windows: "C:\ProgramData\b4p" Linux/MACOS: "/usr/local/etc"
...[program directory b4p]	string	read only	Program directory with B4P subdirectory Windows: "C:\Program Files\b4p" Linux/MACOS: "/usr/local/etc/b4p"
...[temp directory]	string	read only	Directory for temporary data storage: Windows: "C:\Users\user name\AppData\Local\TEMP" Linux/MACOS: "/tmp"
...[user directory]	string	read only	User directory after login: Windows: "C:\Users\user name\" Linux/MACOS: "/home/user name"
...[directory separator]	string	read only	Windows: '\' and Linux/MACOS: '/'
...[operating system]	string	read only	e.g. "Windows", "Linux", "MACOS"
...[operating system product]	string	read only	e.g. specific Windows OS product like "Windows 10 Pro" or Linux distribution name like "Ubuntu"
...[user name]	string	read only	Your login user name
...[user domain]	string	read only	Your user domain
...[host name]	string	read only	Name of your system
...[privileges]	string	read only	Your privilege level for the operating system: standard: Standard user privileges elevated: Enhanced privileges, entitled to install software administrator: Administrator privileges. Applicable if program is started with administration rights (e.g. 'sudo' added in front in Linux/MACOS systems)
...[operating system version]	string	read only	Version number of installed operating system

time stamp[]	void	read only	Provides date and time at start-up. Example under Windows: "Sat Oct 10 10:17:34 2020"
version info[]	void	read only	Provides B4P version and release info