Simple database: Difference between revisions
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→{{header|Wren}}: Minor tidy
(Dialects of BASIC moved to the BASIC section.) |
m (→{{header|Wren}}: Minor tidy) |
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{{libheader|Wren-str}}
Note that since Wren CLI currently has no way of determining the current date/time, a date needs to be input for each item to be added.
<syntaxhighlight lang="
import "os" for Process
import "./ioutil" for File, FileFlags, FileUtil
import "./trait" for Comparable
import "./iterate" for Reversed
import "./date" for Date
import "./sort" for Sort
import "./str" for Str
var fileName = "
Date.default = Date.isoDate
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System.print("""
Usage:
wren
add add item name and date, followed by optional category
latest print item with latest date, followed by optional category
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Sample session:
<pre>
$ wren
$ wren
$ wren
$ wren
$ wren
$ wren
item5, 2021-07-01, cat3
$ wren
item2, 2021-04-01, none
$ wren
There are no items for category 'cat4'.
$ wren
item1, 2021-03-01, none
item2, 2021-04-01, none
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{{libheader|Wren-table}}
The above module provides a more generic way to create simple databases and was not available when the first version was written.
<syntaxhighlight lang="
import "./table" for Table, FieldInfo, File
import "./str" for Str
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System.print("""
Usage:
wren
add add item name and date, followed by optional category
latest print item with latest date, followed by optional category
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// create a new Table object
var tableName = "
var table
if (Table.fileExists(tableName)) {
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{{out}}
<pre>
$ wren
$ wren
$ wren
$ wren
$ wren
$ wren
[item5, 2021-07-01, cat3]
$ wren
[item2, 2021-04-01, none]
$ wren
There are no records for category 'cat4'.
$ wren
Records in '
name date category
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item3 2021-05-01 cat3
item4 2021-06-01 cat3
item5 2021-07-01 cat3
</pre>
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