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Update README.md
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@ -173,7 +173,7 @@ We can pipeline this into a command that gets the contents of one of the columns
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━━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━━━━┯━━━━━━┯━━━━━━━━━
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authors │ description │ edition │ license │ name │ version
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─────────────────┼────────────────────────────┼─────────┼─────────┼──────┼─────────
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[table: 3 rows] │ A shell for the GitHub era │ 2018 │ MIT │ nu │ 0.4.0
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[table: 3 rows] │ A shell for the GitHub era │ 2018 │ MIT │ nu │ 0.5.0
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━━━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━━━━┷━━━━━━━━━┷━━━━━━┷━━━━━━━━━
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```
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@ -181,7 +181,7 @@ Finally, we can use commands outside of Nu once we have the data we want:
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```
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/home/jonathan/Source/nushell(master)> open Cargo.toml | get package.version | echo $it
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0.4.0
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0.5.0
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```
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Here we use the variable `$it` to refer to the value being piped to the external command.
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