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48 lines
1.4 KiB
ReStructuredText
48 lines
1.4 KiB
ReStructuredText
foreach
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-------
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Evaluate a group of commands for each value in a list.
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::
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foreach(loop_var arg1 arg2 ...)
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COMMAND1(ARGS ...)
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COMMAND2(ARGS ...)
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...
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endforeach(loop_var)
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All commands between foreach and the matching endforeach are recorded
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without being invoked. Once the endforeach is evaluated, the recorded
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list of commands is invoked once for each argument listed in the
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original foreach command. Before each iteration of the loop
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``${loop_var}`` will be set as a variable with the current value in the
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list.
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::
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foreach(loop_var RANGE total)
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foreach(loop_var RANGE start stop [step])
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Foreach can also iterate over a generated range of numbers. There are
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three types of this iteration:
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* When specifying single number, the range will have elements 0 to
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"total".
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* When specifying two numbers, the range will have elements from the
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first number to the second number.
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* The third optional number is the increment used to iterate from the
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first number to the second number.
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::
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foreach(loop_var IN [LISTS [list1 [...]]]
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[ITEMS [item1 [...]]])
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Iterates over a precise list of items. The ``LISTS`` option names
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list-valued variables to be traversed, including empty elements (an
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empty string is a zero-length list). (Note macro
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arguments are not variables.) The ``ITEMS`` option ends argument
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parsing and includes all arguments following it in the iteration.
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