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docs/commands: add from.md, update subcommands (#1712)
This adds a top-level document for the new `from` command, with a list of links of all the subcommands. All the from-* subcommands keep their filename, but the content is updated to use the new subcommand syntax. Needs matching update for to* Ref #1709
This commit is contained in:
Jörn Zaefferer
GitHub
parent
3201c90647
commit
8ab2b92405
11 changed files with 111 additions and 59 deletions
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@ -1,4 +1,4 @@
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# from-csv
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# from csv
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Converts csv data into table. Use this when nushell cannot determine the input file extension.
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@ -24,10 +24,10 @@ dog, Alfred, 10
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chameleon, Linda, 1
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```
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To get a table from `pets.txt` we need to use the `from-csv` command :
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To get a table from `pets.txt` we need to use the `from csv` command :
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```shell
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> open pets.txt | from-csv
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> open pets.txt | from csv
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━━━┯━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━
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# │ animal │ name │ age
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───┼───────────┼─────────┼──────
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@ -59,7 +59,7 @@ chameleon; Linda; 1
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```
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```shell
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> open pets.txt | from-csv --separator ';'
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> open pets.txt | from csv --separator ';'
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━━━┯━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━
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# │ animal │ name │ age
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───┼───────────┼─────────┼──────
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@ -69,20 +69,20 @@ chameleon; Linda; 1
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━━━┷━━━━━━━━━━━┷━━━━━━━━━┷━━━━━━
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```
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To use this command to open a csv with separators other than a comma, use the `--raw` switch of `open` to open the csv, otherwise the csv will enter `from-csv` as a table split on commas rather than raw text.
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To use this command to open a csv with separators other than a comma, use the `--raw` switch of `open` to open the csv, otherwise the csv will enter `from csv` as a table split on commas rather than raw text.
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```shell
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> mv pets.txt pets.csv
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> open pets.csv | from-csv --separator ';'
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> open pets.csv | from csv --separator ';'
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error: Expected a string from pipeline
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- shell:1:16
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1 | open pets.csv | from-csv --separator ';'
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1 | open pets.csv | from csv --separator ';'
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| ^^^^^^^^ requires string input
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- shell:1:0
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1 | open pets.csv | from-csv --separator ';'
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1 | open pets.csv | from csv --separator ';'
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| value originates from here
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> open pets.csv --raw | from-csv --separator ';'
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> open pets.csv --raw | from csv --separator ';'
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━━━┯━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━
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# │ animal │ name │ age
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───┼───────────┼─────────┼──────
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@ -99,18 +99,18 @@ Newlines '\n' are not acceptable separators.
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Note that separators are currently provided as strings and need to be wrapped in quotes.
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```shell
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> open pets.csv --raw | from-csv --separator ;
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> open pets.csv --raw | from csv --separator ;
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- shell:1:43
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1 | open pets.csv --raw | from-csv --separator ;
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1 | open pets.csv --raw | from csv --separator ;
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| ^
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```
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It is also considered an error to use a separator greater than one char :
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```shell
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> open pets.txt | from-csv --separator '123'
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> open pets.txt | from csv --separator '123'
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error: Expected a single separator char from --separator
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- shell:1:37
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1 | open pets.txt | from-csv --separator '123'
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1 | open pets.txt | from csv --separator '123'
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| ^^^^^ requires a single character string input
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```
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@ -1,8 +1,8 @@
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# from-ics
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# from ics
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Parse text as `.ics` and create table.
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Syntax: `from-ics`
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Syntax: `from ics`
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## Examples
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@ -20,21 +20,21 @@ UID:4l80f6dcovnriq38g57g07btid@google.com
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...
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```
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Pass the output of the `open` command to `from-ics` to get a correctly formatted table:
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Pass the output of the `open` command to `from ics` to get a correctly formatted table:
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```shell
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> open calendar.txt | from-ics
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> open calendar.txt | from ics
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───┬────────────────┬──────────────────┬────────────────┬────────────────┬────────────────┬────────────────┬────────────────
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# │ properties │ events │ alarms │ to-Dos │ journals │ free-busys │ timezones
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# │ properties │ events │ alarms │ to-Dos │ journals │ free-busys │ timezones
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───┼────────────────┼──────────────────┼────────────────┼────────────────┼────────────────┼────────────────┼────────────────
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0 │ [table 0 rows] │ [table 1 row] │ [table 0 rows] │ [table 0 rows] │ [table 0 rows] │ [table 0 rows] │ [table 0 rows]
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───┴────────────────┴──────────────────┴────────────────┴────────────────┴────────────────┴────────────────┴────────────────
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```
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```shell
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> open calendar.txt | from-ics | get events | get properties | where name == "SUMMARY"
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> open calendar.txt | from ics | get events | get properties | where name == "SUMMARY"
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─────┬─────────┬───────────────────────────────────────┬────────
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# │ name │ value │ params
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# │ name │ value │ params
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─────┼─────────┼───────────────────────────────────────┼────────
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0 │ SUMMARY │ Basketball Game │
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```
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```
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@ -1,8 +1,8 @@
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# from-json
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# from json
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Parse text as `.json` and create table. Use this when nushell cannot dertermine the input file extension.
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Syntax: `from-json {flags}`
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Syntax: `from json {flags}`
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### Flags:
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> open command_from-json
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[
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{
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title: "from-json",
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title: "from json",
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type: "command",
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flags: true
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}
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```
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```shell
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> open command_from-json | from-json
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> open command_from-json | from json
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━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━━
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title │ type │ flags
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───────────┼─────────┼───────
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from-json │ command │ Yes
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from json │ command │ Yes
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━━━━━━━━━━━┷━━━━━━━━━┷━━━━━━━
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```
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```
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# from-ods
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# from ods
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Parses OpenDocument Spreadsheet binary data into a table. `open` calls `from-ods` automatically when the file extension is `ods`. Use this command when `open` is unable to guess the file type from the extension.
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Parses OpenDocument Spreadsheet binary data into a table. `open` calls `from ods` automatically when the file extension is `ods`. Use this command when `open` is unable to guess the file type from the extension.
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## Examples
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@ -20,7 +20,7 @@ Length: 4816 (0x12d0) bytes
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12a0: 00 61 10 00 00 4d 45 54 41 2d 49 4e 46 2f 6d 61 .a...META-INF/ma
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12b0: 6e 69 66 65 73 74 2e 78 6d 6c 50 4b 05 06 00 00 nifest.xmlPK....
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12c0: 00 00 06 00 06 00 5a 01 00 00 60 11 00 00 00 00 ......Z...`.....
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> open abc.ods --raw | from-ods
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> open abc.ods --raw | from ods
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─────────────────
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Sheet1
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─────────────────
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# from-toml
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# from toml
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Converts toml data into table. Use this when nushell cannot dertermine the input file extension.
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## Example
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...
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```
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The "Cargo.lock" file is actually a .toml file, but the file extension isn't .toml. That's okay, we can use the `from-toml` command :
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The "Cargo.lock" file is actually a .toml file, but the file extension isn't .toml. That's okay, we can use the `from toml` command :
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```shell
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> open Cargo.lock | from-toml
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> open Cargo.lock | from toml
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━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━
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metadata │ package
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────────────────┼───────────────────
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[table: 1 row] │ [table: 154 rows]
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━━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━
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```
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```
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# from-tsv
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# from tsv
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Parse text as `.tsv` and create table.
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Syntax: `from-tsv {flags}`
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Syntax: `from tsv {flags}`
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### Flags:
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Be Beryllium
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```
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If we pass the output of the `open` command to `from-tsv` we get a correct formatted table:
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If we pass the output of the `open` command to `from tsv` we get a correct formatted table:
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```shell
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> open elements.txt | from-tsv
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> open elements.txt | from tsv
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━━━┯━━━━━━━━┯━━━━━━━━━━━
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# │ Symbol │ Element
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───┼────────┼───────────
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Using the `--headerless` flag has the following output:
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```shell
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> open elements.txt | from-tsv --headerless
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> open elements.txt | from tsv --headerless
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━━━━┯━━━━━━━━━┯━━━━━━━━━━━
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# │ Column1 │ Column2
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────┼─────────┼───────────
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3 │ Li │ Lithium
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4 │ Be │ Beryllium
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━━━━┷━━━━━━━━━┷━━━━━━━━━━━
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```
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```
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# from-vcf
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# from vcf
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Parse text as `.vcf` and create table.
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Syntax: `from-vcf`
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Syntax: `from vcf`
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## Examples
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@ -18,20 +18,20 @@ EMAIL;TYPE=INTERNET:john.doe99@gmail.com
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...
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```
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Pass the output of the `open` command to `from-vcf` to get a correctly formatted table:
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Pass the output of the `open` command to `from vcf` to get a correctly formatted table:
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```shell
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> open contacts.txt | from-vcf
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> open contacts.txt | from vcf
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─────┬─────────────────
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# │ properties
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# │ properties
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─────┼─────────────────
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0 │ [table 8 rows]
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```
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```shell
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> open contacts.txt | from-vcf | get properties | where $it.name == "FN" | pick value
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> open contacts.txt | from vcf | get properties | where $it.name == "FN" | pick value
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─────┬──────────────────────
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# │ value
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# │ value
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─────┼──────────────────────
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0 │ John Doe
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```
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```
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# from-xlsx
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# from xlsx
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Parses MS Excel binary data into a table. `open` calls `from-xlsx` automatically when the file extension is `xlsx`. Use this command when `open` is unable to guess the file type from the extension.
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Parses MS Excel binary data into a table. `open` calls `from xlsx` automatically when the file extension is `xlsx`. Use this command when `open` is unable to guess the file type from the extension.
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## Examples
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18a0: 6b 73 68 65 65 74 73 2f 73 68 65 65 74 31 2e 78 ksheets/sheet1.x
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18b0: 6d 6c 50 4b 05 06 00 00 00 00 0a 00 0a 00 7f 02 mlPK............
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18c0: 00 00 33 16 00 00 00 00 ..3.....
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> open abc.xlsx --raw | from-xlsx
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> open abc.xlsx --raw | from xlsx
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─────────────────
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Sheet1
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─────────────────
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# from-xml
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# from xml
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Parse text as `.xml` and create table. Use this when nushell cannot dertermine the input file extension.
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Syntax: `from-xml`
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Syntax: `from xml`
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## Examples
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</world>
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```
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We can use `from-xml` to read the input like a `xml` file:
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We can use `from xml` to read the input like a `xml` file:
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```shell
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> open world.txt | from-xml
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> open world.txt | from xml
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━━━━━━━━━━━━━━━━
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world
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────────────────
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[table 7 rows]
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━━━━━━━━━━━━━━━━
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```
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```
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# from-yaml
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# from yaml
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Parse text as `.yaml/.yml` and create table. Use this when nushell cannot determine the input file extension.
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Syntax: `from-yaml`
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Syntax: `from yaml`
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## Examples
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```
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```shell
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> open command_from-yaml | from-yaml
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> open command_from-yaml | from yaml
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━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━━
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title │ type │ flags
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───────────┼─────────┼───────
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52
docs/commands/from.md
Normal file
52
docs/commands/from.md
Normal file
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# from-csv
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Converts content (string or binary) into a table. The format is specified as a subcommand, like `from csv` or `from json`.
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Use this when nushell cannot determine the input file extension.
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## Available Subcommands
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* [from csv](from-csv.md)
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* [from ics](from-ics.md)
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* [from json](from-json.md)
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* [from ods](from-ods.md)
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* [from toml](from-toml.md)
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* [from tsv](from-tsv.md)
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* [from vcf](from-vcf.md)
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* [from xlsx](from-csv.md)
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* [from yaml](from-yaml.md)
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## Example for `from csv`
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Let's say we have the following file :
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```shell
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> cat pets.txt
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animal, name, age
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cat, Tom, 7
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dog, Alfred, 10
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chameleon, Linda, 1
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```
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`pets.txt` is actually a .csv file but it has the .txt extension, `open` is not able to convert it into a table :
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```shell
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> open pets.txt
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animal, name, age
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cat, Tom, 7
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dog, Alfred, 10
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chameleon, Linda, 1
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```
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To get a table from `pets.txt` we need to use the `from csv` command:
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```shell
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> open pets.txt | from csv
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━━━┯━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━
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# │ animal │ name │ age
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───┼───────────┼─────────┼──────
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0 │ cat │ Tom │ 7
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1 │ dog │ Alfred │ 10
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2 │ chameleon │ Linda │ 1
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━━━┷━━━━━━━━━━━┷━━━━━━━━━┷━━━━━━
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```
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