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Description:

• 统计文档中的中文字数，默认 utf-8 编码
• count all chinese characters in a directory with specific file extension appendix and specific depth of search

Usage:

• python chinese_wc.py [directory] [depth] [file extension appendix]

Example:

• python chinese_wc.py \"/home/wd/Documents/org\" 4 \".org\"
• python chinese_wc.py ~/Documents/org 4 \'.org\'