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Update README.md

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Jonathan Turner 2019-11-06 18:25:23 +13:00 committed by GitHub
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@ -173,7 +173,7 @@ We can pipeline this into a command that gets the contents of one of the columns
━━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━━━━┯━━━━━━┯━━━━━━━━━
authors │ description │ edition │ license │ name │ version
─────────────────┼────────────────────────────┼─────────┼─────────┼──────┼─────────
[table: 3 rows] │ A shell for the GitHub era │ 2018 │ MIT │ nu │ 0.4.0
[table: 3 rows] │ A shell for the GitHub era │ 2018 │ MIT │ nu │ 0.5.0
━━━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━━━━┷━━━━━━━━━┷━━━━━━┷━━━━━━━━━
```
@ -181,7 +181,7 @@ Finally, we can use commands outside of Nu once we have the data we want:
```
/home/jonathan/Source/nushell(master)> open Cargo.toml | get package.version | echo $it
0.4.0
0.5.0
```
Here we use the variable `$it` to refer to the value being piped to the external command.