forked from extern/nushell
43 lines
1.4 KiB
Markdown
43 lines
1.4 KiB
Markdown
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# average This command allows you to calculate the average of values in a column. ## Examples
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To get the average of the file sizes in a directory, simply pipe the size column from the ls command to the sum command.
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```shell
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> ls | get size | average
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━━━━━━━━━
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<value>
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━━━━━━━━━
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2282.727272727273
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━━━━━━━━━
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```
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```shell
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> pwd | split-row / | size | get chars | average
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━━━━━━━━━
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<value>
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━━━━━━━━━
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5.250000000000000
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━━━━━━━━━
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```
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Note that average only works for integer and byte values at the moment, and if the shell doesn't recognize the values in a column as one of those types, it will return an error.
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One way to solve this is to convert each row to an integer and then pipe the result to `average`
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```shell
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> open tests/fixtures/formats/caco3_plastics.csv | get tariff_item | average
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error: Unrecognized type in stream: Primitive(String("2509000000"))
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- shell:1:0
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1 | open tests/fixtures/formats/caco3_plastics.csv | get tariff_item | average
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| ^^^^ source
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```
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```shell
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> open tests/fixtures/formats/caco3_plastics.csv | get tariff_item | str --to-int | average
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━━━━━━━━━━━━━━━━━━━
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<value>
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───────────────────
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3239404444.000000
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━━━━━━━━━━━━━━━━━━━
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```
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