Loops/Continue: Difference between revisions
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m (→version 1: added highlighting, forced a new line for the OUTPUT header.) |
m (→{{header|REXX}}: added/changed comments and whitespace.) |
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===version 1=== |
===version 1=== |
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(This program could be simpler by using a '''then/else''' construct, but an '''iterate''' was used to conform to the task.) |
(This program could be simpler by using a '''then/else''' construct, but an '''iterate''' was used to conform to the task.) |
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<lang rexx>/*REXX program illustrates a DO loop with an ITERATE (continue). */ |
<lang rexx>/*REXX program illustrates an example of a DO loop with an ITERATE (continue). */ |
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do j=1 for 10 /*equivalent to: |
do j=1 for 10 /*this is equivalent to: DO J=1 TO 10 */ |
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call charout , j /*write the integer to terminal. */ |
call charout , j /*write the integer to the terminal. */ |
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if j//5\==0 then do /*Not a multiple of five? Then |
if j//5\==0 then do /*Not a multiple of five? Then ··· */ |
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call charout , ", " /*write a comma to the terminal, */ |
call charout , ", " /* write a comma to the terminal, ··· */ |
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iterate /* |
iterate /* ··· & then go back for next integer.*/ |
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end |
end |
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say /*force REXX display |
say /*force REXX to display on next line. */ |
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end /*j*/ |
end /*j*/ |
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/*stick a fork in it, we're done.*/</lang> |
/*stick a fork in it, we're all done. */</lang> |
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Program note: the comma (<big><b>,</b></big>) immediately after the '''charout''' BIF indicates to use the terminal output stream. |
Program note: the comma (<big><b>,</b></big>) immediately after the '''charout''' BIF indicates to use the terminal output stream. |
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===version 2=== |
===version 2=== |
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<lang rexx>/*REXX program illustrates a DO loop |
<lang rexx>/*REXX program illustrates an example of a DO loop with an ITERATE (continue). */ |
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$= /*nullify the variable used for display*/ |
$= /*nullify the variable used for display*/ |
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do j=1 for 10 /*this equivalent to: |
do j=1 for 10 /*this is equivalent to: DO J=1 TO 10 */ |
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$=$ || j', ' /*append the integer to a placeholder. */ |
$=$ || j', ' /*append the integer to a placeholder. */ |
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if j//5==0 then say left($, length($)-2) |
if j//5==0 then say left($, length($) - 2) /*Is J a multiple of five? Then SAY.*/ |
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if j==5 then $= /*start the display line over again. */ |
if j==5 then $= /*start the display line over again. */ |
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end /*j*/ |
end /*j*/ |
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/*stick a fork in it, we're all done. */</lang> |
/*stick a fork in it, we're all done. */</lang> |
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'''output''' is the same as the 1<sup>st</sup> REXX version. <br><br> |
'''output''' is the same as the 1<sup>st</sup> REXX version. <br><br> |
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