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I needed a way to extract the individual words from a sentence stored in a single character field. After some failed google searches and no desire to install a Datablade or write a C UDR for something that doesn't need to have killer performance, I decided to write my own quick and dirty SPL function. my_strtok(str, delim, token_num) will take a string, break it into individual tokens based the delimiter and return the Nth token of the string. Running this: execute function my_strtok("How now brown cow", " ", 3)
Would return the third token: brown Here is the code for my_strtok(), comments welcome on anything I might have missed in the logic. And when I say it is slow, I just mean it could be done in a different way and perform more efficiently, but for what I needed it works. create function my_strtok (str lvarchar(2048), delim char(1), token_num smallint)
returning lvarchar(2048) as token;
define str_len integer;
define start_pos integer;
defi...
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