Predefined functions
HBasic provides some predefined functions for different purposes. This
document list all this functions and their parameter types.
Contents:
info_icon Some base-types like Date, Time or File have been dropped
from the normal HBasic type list and replaced by a component type. You
can find the methods to work with this types in the package
description of the matching packages.
See also: Predefined constants
Min
Returns minimum of 2 integer
values
Max
Returns maximum of 2 integer
values
SQrt
Returns squareroot of a double
number
Abs
Returns absolute value of a
number
And
Or
Xor
Not
Len
Returns length of a string
Left
Returns leftmost substring from
string
Right
Returns rightmost substring from
string
Mid
Return substring of string
Lower
Returns string converted to
lowercase letters
Upper
Returns string converted to
uppercase letters
Str
Returns a string from an integer
or double number
ToLong
Return an integer number from a
string
ToDouble
Returns a double number from a
string
Sin
Return a double specifying the
sine of an angle
Cos
Return a double specifying the
cosine of an angle
Tan
Return a double specifying the
tangent of an angle
ASin
Return a double specifying the
arcsine of an angle
ACos
Return a double specifying the
arc cosine of an angle
ATan
Return a double specifying the
arc tangent of an angle
Sinh
Return a double specifying the
sine hyperbolic of an angle
Cosh
Return a double specifying the
cosine hyperbolic of an angle
Tanh
Return a double specifying the
tangent hyperbolic of an angle
ASinh
Return a double specifying the
arc sine hyperbolic of an angle
ACosh
Return a double specifying the
arc cosine hyperbolic of an angle
ATanh
Return a double specifying the
arc tangent hyperbolic of an angle
Log
Returns a double specifying the
natural logarithm of a number
Log2
Log10
Exp
Returns a Double specifying e
(the base of natural logarithm) raised to a power
Exp2
Returns a Double specifying 2
raised to a power
Exp10
Returns a Double specifying 10
raised to a power
BSet
Set bit in number at a given
position
BClr
Clear bit in number at a given
position
BChg
Change bit 0<->1 in number
at given position
BTst
Check if bit at position is set
(=1)
Bit
Return number with 1 bit set to 1
Day
Return current day in month
Month
Return current month
Year
Return current year
Hour
Return hour from current time
Minute
Return minute from current time
Second
Return second from current time
DayOfWeek
Return current day in week as
number
DayOfYear
Return current day of year
DaysInMonth
Return number of days in current
month
DaysInYear
Return number of days in current
year
WeekNumber
Return week number for current
date
DayName
Return name of day
MonthName
Return name of month
ShortDayName
Return 3 character name of day
ShortMonthName
Return 3 character name of month
BufferRam
Get memory used by buffers
FreeHigh
Get available high memory size
FreeRam
Get size of free memory
FreeSwap
Get available swap memory size
MemUnit
Get memory unit size
NumProcs
Get number of running processes
Sleep
Let process sleep some time
SharedRam
Get shared ram total size
Sysload1
Get average system load of last
minute
Sysload5
Get average system load of last
5 minutes
Sysload15
Get average system load of last
15 minutes
TotalHigh
Get total high memory size
TotalSwap
Get total swap size
TotalRam
Get total ram size
Uptime
Get uptime of computer in seconds
MsgBox
Display messagebox in current
window
Seed
Set seed for random number
generator
Rand
Get random number
System
Start Linux shell command
Load
Load another form
Abort
Abort program with error state
Sleep
Let process sleep some time