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# String and Parameter Functions

Click one of the following functions for more information:

lr.advanceParam | Advances to the next available value in the parameter data file.
lr.decrypt | Deprecated. Unmasks an encoded string. Use lr.unmask.
lr.evalString | Returns the string argument after evaluating embedded parameters.
lr.paramIncrement | Increments the value of a parameter.
lr.paramUnique | Generates a unique string and assigns it to a parameter.
lr.paramarrIdx | Returns the value of the parameter at a specified location in a parameter array.
lr.paramarrLen | Returns the number of elements in a parameter array.
lr.paramarrRandom | Returns the value of the parameter at a random location in a parameter array
lr.readFile | Reads a file into a parameter.
lr.saveInt | Saves an integer to a parameter.
lr.saveParamRegexp | Finds a string in a buffer using a regular expression and saves capture group matches to a parameter.
lr.saveString | Saves a null terminated string as a parameter.
lr.unmask | Unmasks an encoded string.
lr.unzip | Uncompresses the information in a parameter and stores the uncompressed information in another parameter.
lr.zip | Compresses the information in a parameter and stores the compressed information in another parameter.

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