running a loop on a comma delimited list of items progress 4GL
问题 def var cList as char no-undo. assign cList = "one,two,three,four". <Loop> cList logic... </Loop> What's the best way to loop through a comma delimited list in a char variable so that in this example I would get one then two then three then four. 回答1: Lol I still remember a bit of Progress I think. DEF VAR i AS INT NO-UNDO. &SCOPED-DEFINE LIST "one,two,three,four" DO i=1 TO NUM-ENTRIES({&LIST}): MESSAGE SUBSTITUTE("LIST[&1] is &2", i, ENTRY(i, {&LIST})). END. 回答2: DEFINE VARIABLE ch-list AS