Avaya Writing Technician Interface Scripts Manuale Utente Scaricare il pdf (Pagina 48)

Writing Technician Interface Scripts

2-20 117382-A Rev. A

The let command provides the following string functions:

• strlen( )

• strindex( )

• strrindex( )

• strpbrk( )

• strmatch( )

• <single_character>

The arguments for each function can be a literal character string, a set of

characters enclosed in double quotes (“”), or the name of an environment variable.

When you specify an environment variable, do not precede the name with

If a function returns an offset within a string, an index of 1 refers to the ﬁrst

character position.

The function

strlen( ) returns the number of characters in the parameter

strlen(

)

The function strindex( ) ﬁnds the ﬁrst occurrence of a string in another string. The

function

strrindex( ) ﬁnds the last occurrence of a string in another string. Both

functions return the offset within

’s position, or 0 if

substring

> is not found.

strindex(

)

strrindex(

)

The function strpbrk( ) searches

for the ﬁrst character that matches any

of the characters given in the character string

<set>

. The function returns the

offset to the ﬁrst matching character’s position in

, or 0 if no character of

<set>

appears in

strpbrk(

)

The function

strmatch(

) compares

. If

matches the pattern, the function returns a 1; otherwise it returns a 0. You

may use wildcards (

* or ?) in

. A * matches any character (or no

character), and a

? matches any character in that position in the string. A character

must exist in that position for

? to match.

strmatch(

)

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Avaya Writing Technician Interface Scripts Manuale Utente Pagina 48

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