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Substring option for str plugin

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Adds new substr function to str plugin with tests and documentation

Function takes a start/end location as a string in the form "##,##", both sides of comma are optional, and
behaves like Rust's own index operator [##..##].
This commit is contained in:
Flare576
2019-10-31 12:40:56 -05:00
parent 9d34ec9153
commit cd058db046
3 changed files with 265 additions and 14 deletions
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docs/commands/str.md Normal file
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# str
Consumes either a single value or a table and converts the provided data to a string and optionally applies a change.
## Examples
```shell
> shells
━━━┯━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
# │ │ name │ path
───┼───┼────────────┼────────────────────────────────
0 │ X │ filesystem │ /home/TUX/stuff/expr/stuff
1 │ │ filesystem │ /
━━━┷━━━┷━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
> shells | str path --upcase
━━━┯━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
# │ │ name │ path
───┼───┼────────────┼────────────────────────────────
0 │ X │ filesystem │ /HOME/TUX/STUFF/EXPR/STUFF
1 │ │ filesystem │ /
━━━┷━━━┷━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
> shells | str path --downcase
━━━┯━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
# │ │ name │ path
───┼───┼────────────┼────────────────────────────────
0 │ X │ filesystem │ /home/tux/stuff/expr/stuff
1 │ │ filesystem │ /
━━━┷━━━┷━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
> shells | str # --to-int
━━━┯━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
# │ │ name │ path
───┼───┼────────────┼────────────────────────────────
0 │ X │ filesystem │ /home/TUX/stuff/expr/stuff
1 │ │ filesystem │ /
━━━┷━━━┷━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
> shells | str # --substring "21, 99"
━━━┯━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
# │ │ name │ path
───┼───┼────────────┼────────────────────────────────
0 │ X │ filesystem │ stuff
1 │ │ filesystem │
━━━┷━━━┷━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
> shells | str # --substring "6,"
━━━┯━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
# │ │ name │ path
───┼───┼────────────┼────────────────────────────────
0 │ X │ filesystem │ TUX/stuff/expr/stuff
1 │ │ filesystem │
━━━┷━━━┷━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
```