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发帖数: 4430 | 1 I have a list of character values seperated by a blank.
var1 = "" "a" ""
then I used %let k = %scan(var1, 1, ' ') to read the value one by one, but
this does work. If I remove the first empty string, scan works.
Can you tell me what happened. Thank you very much for your help |
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