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September Morn Update

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Ingy döt Net 2019-09-12 10:33:56 -07:00
parent 4e2d22a71d
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29
Task/Associative-array-Iteration/REXX/associative-array-iteration.rexx
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@ -5,16 +5,19 @@
║ isn't defined, it can be displayed to indicate such, or its value can be checked ║
║ to determine if a particular associative array element has been set (defined). ║
╚════════════════════════════════════════════════════════════════════════════════════╝*/
stateF.= ' [not defined yet] ' /*sets any/all state former capitols.*/
stateF.= ' [not defined yet] ' /*sets any/all state former capitals.*/
stateN.= ' [not defined yet] ' /*sets any/all state names. */
w = 0 /*the maximum length of a state name.*/
stateL=
stateL =
/*╔════════════════════════════════════════════════════════════════════════════════════╗
║ The list of states (empty now). It's convenient to have them in alphabetic order; ║
║ they'll be listed in this order. In REXX, when a key is used, it's normally ║
║ stored (internally) as as uppercase characters (as in the examples below). ║
║ Actually, any characters can be used, including blank(s) and non─displayable ║
║ characters (including '00'x, 'ff'x, commas, periods, quotes, ···). ║
║ The list of states (empty as of now). It's convenient to have them in alphabetic ║
║ order; they'll be listed in the order as they are in the REXX program below). ║
║ In REXX, when a key is used (for a stemmed array, as they are called in REXX), ║
║ and the key isn't assigned a value, the key's name is stored (internally) as ║
║ uppercase (Latin) characters (as in the examples below. If the key has a ║
║ a value, the key's value is used as is (i.e.: no upper translation is performed).║
║ Actually, any characters can be used, including blank(s) and non─displayable ║
║ characters (including '00'x, 'ff'x, commas, periods, quotes, ···). ║
╚════════════════════════════════════════════════════════════════════════════════════╝*/
call setSC 'al', "Alabama" , 'Tuscaloosa'
call setSC 'ca', "California" , 'Benicia'
@ -42,14 +45,14 @@ call setSC 'sc', "South Carolina" , 'Charlestown'
call setSC 'tn', "Tennessee" , 'Murfreesboro'
call setSC 'vt', "Vermont" , 'Windsor'
do j=1 for words(stateL) /*show all capitols that were defined. */
q=word(stateL, j) /*get the next (USA) state in the list.*/
say 'the former capitol of ('q") " left(stateN.q, w) " was " stateC.q
do j=1 for words(stateL) /*show all capitals that were defined. */
$= word(stateL, j) /*get the next (USA) state in the list.*/
say 'the former capital of ('$") " left(stateN.$, w) " was " stateC.$
end /*j*/ /* [↑] show states that were defined.*/
exit /*stick a fork in it, we're all done. */
/*──────────────────────────────────────────────────────────────────────────────────────*/
setSC: parse arg code,name,cap; upper code /*get code, name & cap.; uppercase code*/
stateL=stateL code /*keep a list of all the US state codes*/
stateN.code=name; w=max(w,length(name)) /*define the state's name; max width. */
stateC.code=cap /* " " " code to the capitol*/
stateL= stateL code /*keep a list of all the US state codes*/
stateN.code= name; w= max(w,length(name)) /*define the state's name; max width. */
stateC.code= cap /* " " " code to the capital*/
return /*return to invoker, SETSC is finished.*/