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/diff Command

The /diff command allows you to compare two texts and visualize their differences using various comparison modes.

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Available Subcommands

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Discord: /diff compare

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Slack: /diff

Compares two texts and shows the differences between them.

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Usage

/diff compare text1: <first text> text2: <second text> mode: <comparison mode>

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Options

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Comparison Modes

The /diff command supports the following comparison modes:

Line by line, Word by word, Character by character

1. Line by line - Compares texts line by line, useful for code or structured text
2. Word by word - Compares texts word by word, good for paragraphs or sentences
3. Character by character - Compares texts character by character, best for short strings or precise comparison

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Example

/diff compare text1: "Hello world!" text2: "Hello there!" mode: Word by word

  Hello
- world!
+ there!

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Platform-Specific Implementation

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Discord Implementation

• Uses a /diff compare subcommand structure
• Commands use Discord’s named parameter system (e.g., text1:, text2:, mode:)
• Responses appear as embedded messages with color-coding
• The comparison mode is selected from a dropdown menu with predefined options
• Results are displayed directly in the channel where the command is used
• Output uses Discord’s syntax highlighting for diff format (```diff)
• Includes the word “diff” at the beginning of the output (part of the format)

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Slack Implementation

• Uses a direct command with flags: /diff --text1 --text2 --mode
• Parameters are specified using the flag system (e.g., --text1, --text2, --mode)
• The mode parameter is optional and defaults to “word” when not specified
• Text arguments containing spaces should be enclosed in quotes
• Responses are shown with formatted blocks displaying the result and related information
• The diff is displayed using a standard code block without the diff syntax highlighting
• Results use the same format symbols (’+’, ’-’, ’ ’) but in a plain code block
• The word “diff” is removed from the output for cleaner presentation

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Output Format

The diff output uses the following conventions:

• Lines starting with + indicate content added in the second text
• Lines starting with - indicate content removed from the first text
• Lines starting with spaces indicate unchanged content

The results display includes:

• A summary of changes (added, removed, unchanged)
• A formatted diff visualization in a code block
• Information about the comparison mode used

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Use Cases

• Compare code snippets or configuration files
• Identify changes between versions of text
• Debug differences in expected vs. actual outputs
• Analyze text modifications
• Check for plagiarism or text similarity

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Notes

• Very long text inputs may be truncated in the comparison (max 1000 characters)
• The output is limited to 1000 characters to fit within message constraints
• The diff algorithm uses a simple implementation of the longest common subsequence algorithm