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36 lines
605 B
Markdown
36 lines
605 B
Markdown
---
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title: for
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layout: command
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version: 0.59.0
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---
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Loop over a range
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## Signature
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```> for (var_name) (range) (block) --numbered```
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## Parameters
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- `var_name`: name of the looping variable
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- `range`: range of the loop
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- `block`: the block to run
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- `--numbered`: returned a numbered item ($it.index and $it.item)
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## Examples
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Echo the square of each integer
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```shell
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> for x in [1 2 3] { $x * $x }
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```
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Work with elements of a range
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```shell
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> for $x in 1..3 { $x }
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```
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Number each item and echo a message
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```shell
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> for $it in ['bob' 'fred'] --numbered { $"($it.index) is ($it.item)" }
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```
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