2022-02-14 02:22:51 +00:00
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---
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title: length
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layout: command
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version: 0.59.0
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---
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2019-11-10 08:42:59 +00:00
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2022-02-14 02:22:51 +00:00
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Count the number of elements in the input.
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2020-08-15 05:36:15 +00:00
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2022-02-14 02:22:51 +00:00
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## Signature
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2020-08-15 05:36:15 +00:00
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2022-02-14 02:22:51 +00:00
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```> length --column```
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2019-11-10 08:42:59 +00:00
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2022-02-14 02:22:51 +00:00
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## Parameters
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2019-11-10 08:42:59 +00:00
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2022-02-14 02:22:51 +00:00
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- `--column`: Show the number of columns in a table
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2020-06-23 18:21:47 +00:00
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2022-02-20 01:13:33 +00:00
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## Examples
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Count the number of entries in a list
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```shell
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> echo [1 2 3 4 5] | length
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```
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Count the number of columns in the calendar table
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```shell
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> cal | length -c
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```
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