text-diff

Show line-by-line differences between two text files using Python's difflib.

Description

A utility skill for comparing two text files and displaying their differences in a readable format. Supports unified diff output and side-by-side comparison modes.

Usage

# Show unified diff between two files
python ~/.openclaw/skills/text-diff/text_diff.py unified file1.txt file2.txt

# Show side-by-side comparison
python ~/.openclaw/skills/text-diff/text_diff.py side-by-side file1.txt file2.txt

# Show context diff (3 lines of context)
python ~/.openclaw/skills/text-diff/text_diff.py context file1.txt file2.txt

# Compare with custom context lines
python ~/.openclaw/skills/text-diff/text_diff.py unified file1.txt file2.txt -c 5

Options

• unified: Show unified diff format (default)

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• context: Show context diff format
• side-by-side: Show line-by-line comparison
• -c, --context: Number of context lines (default: 3)
• -o, --output: Save diff to file instead of stdout
• --no-color: Disable colored output

Examples

# Basic unified diff
python ~/.openclaw/skills/text-diff/text_diff.py unified old.txt new.txt

# Side-by-side comparison with no colors (for piping)
python ~/.openclaw/skills/text-diff/text_diff.py side-by-side old.txt new.txt --no-color

# Save diff to file
python ~/.openclaw/skills/text-diff/text_diff.py unified old.txt new.txt -o diff.txt

# Compare with 10 lines of context
python ~/.openclaw/skills/text-diff/text_diff.py context old.txt new.txt -c 10

Output Format

Unified Diff

--- old.txt
+++ new.txt
@@ -1,5 +1,5 @@
 line 1
 line 2
-line 3 (removed)
+line 3 (added)
 line 4
 line 5

Side-by-Side

OLD                          | NEW
---------------------------- | ----------------------------
line 1                       | line 1
line 2                       | line 2
line 3 (removed)             | line 3 (added)
line 4                       | line 4

Exit Codes

• 0: Files are identical
• 1: Files differ
• `

這個 Skill 質量不錯，能比較兩個檔案的差異並顯示出來。文件寫得很清楚，功能也比較實用，支援多種顯示方式，用起來比較方便。唯一的小問題是說明文字中有幾個小錯誤，不影響使用但可以改進一下。整體來說是一個好用的小工具。