Gambas/Funciones Internas

Cadenas de caracteres

• Asc Returns the ASCII code of a character in a string.
• Chr$ Returns a character from its ASCII code.
• Comp Compares two strings.
• InStr Searches a string into another string.
• LCase$ Converts a string to lowercase.
• Left$ Returns the first characters of a string.
• Len Returns the length of a string.
• LTrim$ Strips white spaces from the left of a string.
• Mid$ Returns a part of a string.
• Replace$ Replaces in a string a substring by another one.
• Right$ Returns the last characters of a string.
• RInStr Searches a string into another string from its right.
• RTrim$ Strips white spaces from the right of a string.
• Scan Splits a string against a regular expression pattern.
• Space$ Returns a string containing only space.
• Split Splits a string into substrings.
• String$ Returns the same string concatenated many times.
• Subst$ Substitutes strings in a pattern.
• Trim$ Strips white spaces from a string.
• UCase$ Converts a string to uppercase.

Flujo & Entrada/Salida

• CLOSE Closes a stream
• Eof Returns if the end of file is reached.
• ERROR Prints expressions to the error standard output.
• ERROR TO Redirects the standard error output.
• FLUSH Flushes the output of a buffered stream.
• INPUT Reads strings from a text stream and converts them into values.
• INPUT FROM Redirects the standard input.
• LINE INPUT Reads lines from a text stream.
• LOCK Locks an opened stream.
• Lof Returns the length of a stream.
• OPEN Opens a file for reading or writing and creates a stream for it.
• OUTPUT TO Redirects the standard output.
• PIPE Opens a named pipe for reading or writing and creates a stream for it.
• PRINT Prints expressions to a stream.
• READ Reads binary data from a stream.
• SEEK Change the position of the stream file pointer.
• Seek Gets the position of the stream file pointer.
• UNLOCK Unlocks an opened stream.
• WRITE Write binary data to a stream.

Archivos y Directorios

• Access Tests the access authorization of a file.
• COPY Copy a file.
• DFree Returns the free space on a device.
• Dir Browses a directory.
• Exist Checks if a specific file or directory exists.
• IsDir Returns if a path points at a directory.
• KILL Removes a file.
• LINK Creates a symbolic link.
• MKDIR Creates a directory.
• MOVE Renames or moves a file or a directory.
• RDir Browses a directory recursively.
• RMDIR Removes an empty directory.
• Stat Get information about a file.
• Temp$ Makes temporary file names.

Aritméticas

• Abs Returns the absolute value of a number.
• DEC Decrements a variable.
• Fix Returns the integer part of a number.
• Frac Returns the fractional part of a number.
• INC Increments a variable.
• Int Returns the mathematical integer part of a number.
• Max Returns the maximum number.
• Min Returns the minimum number.
• Round Rounds a number.
• Sgn Returns the sign of a number.

Logarítmicas y Exponenciales

• Cbr Cubic root
• Exp Exponential, e^x
• Exp2 2^x
• Exp10 10^x
• Expm Exp(x) - 1
• Log Neperian logarithm, base e logarithm
• Log2 Base 2 logarithm
• Log10 Decimal logarithm
• Logp Log(1+x)
• Sqr Square root

Trigonométricas

• ACos Computes the arc cosine of an angle.
• ACosh Computes the hyperbolic arc cosine of an angle.
• Ang Computes the angle polar coordinate from two rectangular coordinates.
• ASin Computes the arc sine of an angle.
• ASinh Computes the hybperbolic arc sine of an angle.
• ATan Computes the arc tangent of an angle.
• ATan2 Computes the arc tangent of two numbers.
• ATanh Computes the hyperbolic arc tangent of an angle.
• Cos Computes the cosine of an angle.
• Cosh Computes the hyperbolic cosine of an angle.
• Deg Converts radians to degrees.
• Hyp Calculate the hypotenuse of a triangle.
• Mag Computes the distance polar coordinate from two rectangular coordinates.
• Pi Returns π or a multiple of π.
• Sin Computes the sine of an angle.
• Sinh Computes the hyperbolic sine of an angle.
• Tan Computes the tangent of an angle.
• Tanh Computes the hyperbolic tangent of an angle.
• Rad Converts degrees to radians.

Números aleatorios

• RANDOMIZE Initializes the pseudo-random number generator.
• Rnd Returns a pseudo-random number.

Fecha y tiempo

• Date Returns a date without its time component.
• DateAdd Adds a period to a given date.
• DateDiff Returns the period between two dates.
• Day Returns the day of a Date value.
• Hour Returns the hours of a Date value.
• Minute Returns the minutes of a Date value.
• Month Returns the month of a Date value.
• Now Returns the current date and time.
• Second Returns the seconds of a Date value.
• Time Returns the time part of a Date value.
• Timer Returns the number of elapsed seconds since the program started.
• Week Returns the week number of a Date value.
• WeekDay Returns the week day of a Date value.
• Year Returns the year of a Date value.

Tipo de Datos

• IsBoolean Returns if an expression is a Boolean value.
• IsByte Returns if an expression is a Byte value.
• IsDate Returns if an expression is a Date value.
• IsFloat Returns if an expression is a Float value.
• IsInteger Returns if an expression is an Integer value.
• IsLong Returns if an expression is a Long value.
• IsNull Returns if an expression is NULL.
• IsNumber Returns if an expression is a number.
• IsObject Returns if an expression is an Object value.
• IsShort Returns if an expression is a Short value.
• IsSingle Returns if an expression is a Single value.
• IsString Returns if an expression is a String value.
• TypeOf Returns the type of the value of an expression.

Evaluación de caracteres

• IsAscii Tests if a string contains only ASCII characters.
• IsBlank Tests if a string contains only blank characters.
• IsDigit Tests if a string contains only digits.
• IsHexa Tests if a string contains only hexadecimal digits.
• IsLCase Tests if a string contains only lowercase letters.
• IsLetter Tests if a string contains only letters.
• IsPunct Tests if a string contains only printable non-alphanumeric characters.
• IsSpace Tests if a string contains only space characters.
• IsUCase Tests if a string contains only uppercase letters.

Localización y Traducción

• Format$ Format a number or a date.
• Str$ Converts a number or a date into a string.
• Subst$ Substitutes strings in a pattern.
• Tr$ Translate a string.
• Val Converts a string into a number or a date.

Formateo

• Bin$ Format a number in binary.
• Format$ Format a number or a date.
• Hex$ Format a number in hexadecimal.