STDIN
Standard Input
The default input stream for a program, typically connected to the keyboard or piped from another command.
Chi tiết kỹ thuật
STDIN is deceptively simple — RFC 4180 defines the standard, but real-world CSV files vary wildly. Fields containing commas, quotes, or newlines must be enclosed in double quotes, with embedded quotes escaped by doubling them. Excel uses the system locale's list separator (semicolon in many European locales) instead of commas. Character encoding issues are common: UTF-8 with BOM helps Excel detect encoding, but BOM bytes can break Unix tools.
Ví dụ
```javascript // STDIN example const input = 'sample data'; const result = process(input); console.log(result); ```
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