Module readutil 

File reading utilities for forward and tail (reverse) reading. Port of Go’s pkg/util/readutil/readutil.go.

Provides line-based file reading with support for line counts, byte limits, line skipping, and progressive tail reading.

Constants

STOP_REASON_BOF

Stop reason: beginning of file reached.

STOP_REASON_EOF

Stop reason: end of file reached.

STOP_REASON_READ_LIMIT

Stop reason: byte read limit reached.

Functions

read_last_n_line_offsets

Find the byte offsets of the last N lines in a seekable reader.

read_lines

Read lines forward from a reader.

read_tail_lines

Read the last line_count lines from a seekable reader with a byte limit.

read_tail_lines_internal 🔒

Read the last line_count lines from a seekable reader, optionally skipping the last line_offset lines.