Teledyne-lecroy USB Script Decode Manual Manual do Utilizador descarregar pdf (Página 19)

CHAPTER 4

CATC Scripting Language for USB Operators

Equality Operators

== Equal Integer-integer Integer 2==2

String-string Integer "three" == "three"

Raw byte-raw byte Integer '001122' == '001122'

List-list Integer [1, [2, 3]] == [1, [2, 3]]

*Note: equality operations on values of different

types will evaluate to false.

!= Not equal Integer-integer Integer 2!=3

String-string Integer "three" != "four"

Raw byte-raw byte Integer '001122' != '334455'

List-list Integer [1, [2, 3]] != [1, [2, 4]]

*Note: equality operations on values of different

types will evaluate to false.

Relational Operators

< Less than Integer-integer Integer 1<2

String-string Integer "abc" < "def"

> Greater than Integer-integer Integer 2>1

String-string Integer "xyz" > "abc"

<= Less than or

equal

Integer-integer Integer 23 <= 27

String-string Integer "cat" <= "dog"

>= Greater than or

equal

Integer-integer Integer 2>=1

String-string Integer "sun" >= "moon"

*Note: relational operations on string values are

evaluated according to character order in the ASCII

table.

Logical Operators

! Negation All combinations

of types

Integer !0 = 1 !"cat" = 0

!9=0 !""=1

&& Logical AND All combinations

of types

Integer 1&&1=1 1&&!""=1

1&&0=0 1&&"cat" = 1

|| Logical OR All combinations

of types

Integer 1||1=1 0||0=0

1||0=1 ""||!"cat" = 0

Operator

Symbol

Description

Operand

Types

Result

Types

Examples

Table 4.2: Operators (Continued)

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 89 90

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