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look

Display lines beginning with a given string, using binary search on a sorted file.

Implemented

  • Binary search lookup in sorted files
  • Default dictionary file (/usr/share/dict/words)
  • -a / --alternative: use alternate dictionary (/usr/share/dict/web2)
  • -d / --alphanum: compare only alphanumeric and blank characters
  • -f / --ignore-case: case-insensitive comparison
  • -t / --terminate: custom string termination character
  • WORDLIST environment variable support
  • Automatic -d and -f when using default dictionary