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Loops/While: Difference between revisions
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→version 2: added version 3, also added comments in header section for version 2. -- ~~~~
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===version 2, right justified===
Note that a faster version could be implemented with
<lang rexx>/*REXX program to show a DO WHILE construct. */▼
<br> '''DO WHILE x\==0'''
<br>but that isn't compliant with the wording of the task.
▲<lang rexx>/*REXX program to show a DO WHILE construct. */
x=1024
do while x>0▼
say right(x,10)▼
▲ do while x>0
▲ say right(x,10)
end</lang>▼
▲ x=x%2 /*in REXX, % is integer division. */
▲ end</lang>
'''output'''
<pre style="height:30ex;overflow:scroll">
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===version 3, faster WHILE comparison===
<lang rexx>/*REXX program to show a DO WHILE construct. */
x=1024
do while x>>0 /*this is an exact comparison. */
say right(x,10)
x=x%2 /*in REXX, % is integer division. */
end</lang>
'''output''' is the same as version 2.
<br><br>
=={{header|Ruby}}==
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