On 18 August 2012 10:44, Walter Pachl
<[hidden email]> wrote:
I though something lile that. Thanks!
so arr[10] allocates arr(0:9) in PL/I terms and using a[10] causes the exception.
I though something like that. Thanks!
While all you say is true; a more Rexxy way to do this is by using an indexed string (AKA associative array) which acts much more like a Rexx stem than an array does.
Here's an example which I hope explains it more clearly:
/* NetRexx */
options replace format comments java crossref symbols nobinary
nums = '90 47 58 29 22 32 55 5 55 73'
arry = Rexx[nums.words() + 1] -- define a zero based array
stem = '' -- initialize a Rexx indexed string
loop i = 1 to nums.words()
arry[i] = nums.word(i)
stem[i] = nums.word(i)
end i
say
loop x = 0 to arry.length - 1
say 'arry['x']='String.valueOf(arry[x])', \-'
end x
say
say
loop x = 1 to nums.words()
say 'stem['x']='stem[x]', \-'
end x
say
return
Output:
arry[0]=null, arry[1]=90, arry[2]=47, arry[3]=58, arry[4]=29, arry[5]=22, arry[6]=32, arry[7]=55, arry[8]=5, arry[9]=55, arry[10]=73,
stem[1]=90, stem[2]=47, stem[3]=58, stem[4]=29, stem[5]=22, stem[6]=32, stem[7]=55, stem[8]=5, stem[9]=55, stem[10]=73,
Alan.
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Alan
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