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34 lines
1.6 KiB
Markdown
34 lines
1.6 KiB
Markdown
# Functions
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Functions are commands that accept input, manipulate it and then output the result. They are extremely
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useful with [piping](../README.md#piping) or [command substituting](../README.md#substitution).
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For example, the `uri_escape` function demonstrated in the [Substitution](../README.md#substitution) section earlier
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makes text safe for use in a URL. We also saw the `sed` and `uc` functions demonstrated in [Piping](../README.md#piping).
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<pragma-> uri_escape thing's & words
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<PBot> thing%27s%20%26%20words
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As demonstrated previously, the `sed` function replaces text using a substitution regex. The `uc` function
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uppercases the text.
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<pragma-> echo Hello world! | {sed s/world/universe/} | {uc}
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<PBot> HELLO UNIVERSE!
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Here's a short list of the Functions that come with PBot.
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Name | Description
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--- | ---
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`uri_escape` | Percent-encodes unsafe URI characters.
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`sed` | Performs sed-like regex substitution.
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`grep` | Searches a string, using a regex, and prints the matching whole-word (e.g. `echo pizza hamburger hotdog \| {grep burger}` outputs `hamburger`).
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`pluralize` | Intelligently makes a word or phrase plural.
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`unquote` | Removes surrounding quotation marks.
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`title` | Title-cases text. That is, lowercases the text then uppercases the first letter of each word.
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`ucfirst` | Uppercases the first character of the text.
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`uc` | Uppercases all characters.
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`lc` | Lowercases all characters.
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Additional Functions can be loaded via PBot Plugins. For examples, see [Plugin/FuncBuiltins.pm](../lib/PBot/Plugin/FuncBuiltins.pm) and
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[Plugin/FuncGrep.pm](../lib/PBot/Plugin/FuncGrep.pm).
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