Set string

Purpose: Set value of a string variable.

 set-string <variable> [ = <string> ] [ process-scope ] [ unquoted ]

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String variable <variable> will be assigned a value of <string> if clause "=" is present; otherwise <variable> is assigned an empty string.

If "process-scope" clause is used, then <variable> will be of process scope, meaning its value will persist from one request to another for the life of the process; this clause can only be used if <variable> did not already exist.

If "unquoted" clause is used, then <string> literal is unquoted, and everything from equal clause ("=") to the rest of the line is a <string>; in this case there is no need to escape double quotes or backslashes. Note that in this case, "unquoted" and any other clause must appear prior to equal clause ("=") and after variable, because they wouldn't otherwise be recognized. For instance:

 set-string my_string unquoted = this is "some" string where there escape characters like \n do "not work"

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This is the same as:

 set-string my_string = "this is \"some\" string where there escape characters like \\n do \"not work\""

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"unquoted" clause is useful when writing string literals that would otherwise need lots of escaping.

Examples

Initialize "my_string" variable to "":

 set-string my_string

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Initialize "my_string" variable to "abc":

 set-string my_string = "abc"

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