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action:For_Each
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action:For_Each [2016/03/19 09:37] AlainLifchitz add link to forum + robuster Google search |
action:For_Each [2021/10/12 23:22] peternlewis |
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| - | {{:action:for-each-icon.png?nolink |}} | ||
| ====== For Each Action ====== | ====== For Each Action ====== | ||
| - | The For Each action loops over a set of [collections](:Collections) of items, setting a variable to each value and executing the contained actions. | + | The *For Each* action loops over a set of [collections](:Collections) of items, setting a variable to each value and executing the contained actions. |
| + | |||
| + | It is one of several Actions that _loop_ through a set of other Actions until some criteria is met. | ||
| Whenever you need to deal with a list of things (lines, files, volumes, numbers, etc), the For Each action is a good place to start. | Whenever you need to deal with a list of things (lines, files, volumes, numbers, etc), the For Each action is a good place to start. | ||
| ===== How To Use ===== | ===== How To Use ===== | ||
| + | |||
| - Add the //For Each// Action, from the //Control Flow// Category, to your macro | - Add the //For Each// Action, from the //Control Flow// Category, to your macro | ||
| - {{:action:km-editor-for-each-action.png?nolink|}} | - {{:action:km-editor-for-each-action.png?nolink|}} | ||
| - {{:action:km-for-each-action-2.png?nolink|}} | - {{:action:km-for-each-action-2.png?nolink|}} | ||
| - Enter a variable or select from the pop-up at the end of the //For each// text area. | - Enter a variable or select from the pop-up at the end of the //For each// text area. | ||
| + | * This variable will contain each item in the Collection list as the For Each Action loops | ||
| + | * This can be a new or existing variable, as your needs dictate | ||
| + | * You can then use or process this item as needed | ||
| - Add a collection by clicking the green + button beside //New Collection// to select from a list of available collections. You can learn more about the available collections on the [[:Collections]] page. | - Add a collection by clicking the green + button beside //New Collection// to select from a list of available collections. You can learn more about the available collections on the [[:Collections]] page. | ||
| - When you choose a specific collection, further options may become available. | - When you choose a specific collection, further options may become available. | ||
| - Drag one or more actions into the //No Action// (which means no actions have been added yet) area. | - Drag one or more actions into the //No Action// (which means no actions have been added yet) area. | ||
| + | * These actions will operate on each item in the Collection that is stored in the Variable from Step #2 | ||
| + | |||
| + | You can break out of the loop, retry this iteration, or skip to the next iteration with the [[actions:Redirect_Control_Flow|actions:Redirect Control Flow]] actions. | ||
| ===== Examples ===== | ===== Examples ===== | ||
| Line 22: | Line 30: | ||
| {{:action:km-for-each-lines-example.png?nolink|}} | {{:action:km-for-each-lines-example.png?nolink|}} | ||
| - | For a complete macro using this Action, see:\\ | + | For a complete macro using this Action, see [[https://forum.keyboardmaestro.com/t/macro-file-process-lines-in-text-file/2936|MACRO: [FILE] Process Lines in Text File]] |
| - | [[https://forum.keyboardmaestro.com/t/macro-file-process-lines-in-text-file/2936|MACRO: [FILE] Process Lines in Text File]] | + | |
| - | **Example #2: Get Capture Group for Multiple Matches**\\ | + | **Example #2: Get Capture Group for Multiple Matches** |
| See [[:Regular Expressions#Examples|Regular Expressions (RegEx) Examples]] | See [[:Regular Expressions#Examples|Regular Expressions (RegEx) Examples]] | ||
| Line 32: | Line 39: | ||
| ===== See also ===== | ===== See also ===== | ||
| - | * [[action:Search Variable|action:Search Variable]] | + | === Actions === |
| + | |||
| + | * [[action:For_Each|For Each]] action | ||
| + | * [[action:Repeat|Repeat]] action | ||
| + | * [[action:Until|Until]] action | ||
| + | * [[action:While|While]] action | ||
| + | * [[action:Assert|Assert]] action | ||
| + | * [[:Actions|See all actions]] | ||
| + | |||
| + | === Triggers === | ||
| * [[trigger:Typed String|trigger:Typed String]] | * [[trigger:Typed String|trigger:Typed String]] | ||
| + | * [[:Triggers|See all triggers]] | ||
| - | ==== Forum topics ==== | ||
| + | ==== Forum ==== | ||
| - [[https://forum.keyboardmaestro.com/t/text-filtering/2763/14|Text filtering]] | - [[https://forum.keyboardmaestro.com/t/text-filtering/2763/14|Text filtering]] | ||
| Line 42: | Line 60: | ||
| - [[https://forum.keyboardmaestro.com/t/macro-file-process-lines-in-text-file/2936|MACRO: [FILE] Process Lines in Text File]] | - [[https://forum.keyboardmaestro.com/t/macro-file-process-lines-in-text-file/2936|MACRO: [FILE] Process Lines in Text File]] | ||
| - [[https://forum.keyboardmaestro.com/t/for-each-item-difficulty-understanding-action/3162/2|For Each Item]] | - [[https://forum.keyboardmaestro.com/t/for-each-item-difficulty-understanding-action/3162/2|For Each Item]] | ||
| - | - [[https://www.google.fr/search?q=site:forum.keyboardmaestro.com+For+Each+Item|Keyboard Maestro Forum topics about For Each Item]] | + | |
action/For_Each.txt · Last modified: 2021/10/12 23:24 by peternlewis
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