This topic describes the syntax of operator functions and provides parameter descriptions and function examples.
Functions
Type | Function | Description |
---|---|---|
Basic type conversion | ct_int | Converts the value of a field or expression into an integer. |
ct_float | Converts the value of a field or expression into a floating-point number. | |
ct_str | Converts the value of a field or expression into a string. | |
ct_bool | Converts the value of a field or expression into a Boolean value. | |
Number conversion | ct_chr | Converts the ANSI or Unicode value of a field or expression into a character. |
ct_ord | Converts the value of a field or expression into an ANSI or Unicode value. | |
ct_hex | Converts the value of a field or expression into a hexadecimal number. | |
ct_oct | Converts the value of a field or expression into an octal number. | |
ct_bin | Converts the value of a field or expression into a binary number. | |
Numeral system conversion | bin2oct | Converts a binary string into an octal string. |
bin2hex | Converts a number or string into a hexadecimal string. |
ct_int
This function allows you to convert the value of a field or expression into an integer.
- Syntax
ct_int(value, base=10)
- Parameters
Parameter Type Required Description value Number or numeric string Yes The value to be converted. base Number No The numeral system. Valid value: 10. If you set base=8, this function converts an octal number into a decimal number. - Response
This function returns an octal number.
- Examples
- Example 1: Convert a string into an integer.
- Raw log
number: 2
- Transformation rule
e_set("int_number", ct_int(v("number")))
- Result
number: 2 int_number: 2
- Raw log
- Example 2: Convert a hexadecimal value into a decimal value.
- Raw log
number: AB
- Transformation rule
e_set("int_number", ct_int(v("number"),base=16))
- Result:
number: AB int_number: 171
- Raw log
- Example 1: Convert a string into an integer.
ct_float
This function allows you to convert the value of a field or expression into a floating-point number.
- Syntax
ct_float(value)
- Parameters
Parameter Type Required Description value Number or numeric string Yes The value to be converted. - Response
This function returns a floating-point number.
- Examples
- Raw log
price: 2
- Transformation rule
e_set("price_float", ct_float(v("price")))
- Result
price: 2 price_float: 2.0
- Raw log
ct_str
This function allows you to convert the value of a field or expression into a string.
- Syntax
ct_str(value)
- Parameters
Parameter Type Required Description value Arbitrary Yes The value to be converted. - Response
This function returns a string.
- Examples
- Transformation rule
e_set("ct_str", ct_str(b'test byte'))
- Result
ct_str: test byte
- Transformation rule
ct_bool
This function allows you to convert the value of a field or expression into a Boolean value. For more information about how this function returns a Boolean value based on the type of the specified value, see True or false evaluation.
- Syntax
ct_bool(value)
- Parameters
Parameter Type Required Description value Arbitrary Yes The value to be converted. - Response
This function returns a Boolean value.
- Examples
- Raw log
num: 2
- Transformation rule
e_set("ct_bool", ct_bool(v("number")))
- Result
num: 2 ct_bool: true
- Raw log
ct_chr
This function allows you to convert the ANSI or Unicode value of a field or expression into a character.
- Syntax
ct_chr(value)
- Parameters
Parameter Type Required Description value Number or numeric string Yes The value to be converted. - Response
This function returns a character.
- Examples
- Raw log
number: 78
- Transformation rule
e_set("ct_chr", ct_chr(v("number")))
- Result
number: 78 ct_chr: N
- Raw log
ct_ord
This function allows you to convert the character of a field or expression into an ANSI or Unicode value.
- Syntax
ct_ord(value)
- Parameters
Parameter Type Required Description value String Yes The value to be converted. The value includes only one character. - Response
This function returns an ANSI or Unicode value.
- Examples
- Raw log
world: a
- Transformation rule
e_set("ct_ord", ct_ord(v("world")))
- Result
world: a ct_ord: 97
- Raw log
ct_hex
This function allows you to convert the value of a field or expression into a hexadecimal number.
- Syntax
ct_hex(value)
- Parameters
Parameter Type Required Description value Number or numeric string. Yes The value to be converted. - Response
This function returns a hexadecimal number.
- Examples
- Raw log
number: 123
- Transformation rule
e_set("ct_hex", ct_hex(v("number")))
- Result
number: 123 ct_hex: 0x7b
- Raw log
ct_oct
This function allows you to convert the value of a field or expression into an octal number.
- Syntax
ct_oct(value)
- Parameters
Parameter Type Required Description value Number or numeric string Yes The value to be converted. - Response
This function returns an octal number.
- Examples
- Raw log
number: 123
- Transformation rule
e_set("ct_oct", ct_oct(v("number")))
- Result
number: 123 ct_oct: 0o173
- Raw log
ct_bin
This function allows you to convert the value of a field or expression into a binary number.
- Syntax
ct_bin(value)
- Parameters
Parameter Type Required Description value Number or numeric string Yes The value to be converted. - Response
This function returns a binary number.
- Examples
- Raw log
number: 123
- Transformation rule
e_set("ct_bin", ct_bin(v("number")))
- Result
number: 123 ct_bin: 0b1111011
- Raw log
bin2oct
This function allows you to convert a binary string into an octal string.
- Syntax
bin2oct(binary)
- Parameters
Parameter Type Required Description binary Binary Yes The binary string to be converted. - Response
This function returns an octal string.
- Examples
- Raw log
test : test
- Transformation rule
e_set("new",bin2oct(base64_decoding("ARi8WnFiLAAACHcAGgkADV37Xs8BXftezgAdqwF9")))
- Result
test : test new : 0118bc5a71622c00000877001a09000d5dfb5ecf015dfb5ece001dab017d
- Raw log
bin2hex
This function allows you to convert a binary string into a hexadecimal string.
- Syntax
bin2hex(binary)
- Parameters
Parameter Type Required Description binary Binary Yes The binary string to be converted. - Response
This function returns a hexadecimal string.
- Examples
- Raw log
test : test
- Transformation rule
e_set("new",bin2hex(base64_decoding("ARi8WnFiLAAACHcAGgkADV37Xs8BXftezgAdqwF9")))
- Result
test : test new :0118bc5a71622c00000877001a09000d5dfb5ecf015dfb5ece001dab017d
- Raw log