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NAME

       function::text_strn - Escape any non-printable chars in a string

SYNOPSIS

           text_strn:string(input:string,len:long,quoted:long)

ARGUMENTS

       input
           the string to escape

       len
           maximum length of string to return (0 implies MAXSTRINGLEN)

       quoted
           put double quotes around the string. If input string is truncated it will have “...”
           after the second quote

DESCRIPTION

       This function accepts a string of designated length, and any ASCII characters that are not
       printable are replaced by the corresponding escape sequence in the returned string.