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Source - HeadConfig
- Configuration for head
- HeadMode
- Mode for head operation
- head_bytes
- Output first N bytes from data
- head_bytes_from_end
- Output all but last N bytes from data
- head_file
- Process a single file/stdin for head
- head_lines
- Output first N lines from data
- head_lines_from_end
- Output all but last N lines from data
- head_stdin_lines_streaming
- Process head for stdin streaming (line mode, positive count)
Reads chunks and counts lines, stopping early once count reached.
- parse_size
- Parse a numeric argument with optional suffix (K, M, G, etc.)
Supports: b(512), kB(1000), K(1024), MB(1e6), M(1048576), GB(1e9), G(1<<30),
TB, T, PB, P, EB, E, ZB, Z, YB, Y
- sendfile_bytes
- Use sendfile for zero-copy byte output on Linux