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A-Shell Development History

Removes matching characters from start of string. For example:

strarg = "THIS IS A TEST TO SEE WHAT IS HAPPENING."

filter = "SIHT "

XCALL XSTRIP,strarg,filter,4

Result: strarg = "A TEST TO SEE WHAT IS HAPPENING."

 

Note: The removal process was terminated at the first character of strarg for which there was no match in filter ("A").