With pip or (better) pipsi <https://github.com/mitsuhiko/pipsi>:
pipsi install --python (which python3) washer # or `sudo pip3 install washer`
Or see https://github.com/fiatjaf/washer/tree/master/example.
Usage: washer [OPTIONS] COMMAND [ARGS]... Options: -d, --indexdir DIRECTORY The directory in which the index files will be kept. Defaults to a temporary directory. --help Show this message and exit. Commands: index Creates or overwrites and index at an... info Display information about the index and... morelike Lists files present at the index that share... search Search the given index for a term or multiple...
Usage: washer index [OPTIONS] [FILES_TO_INDEX]... Creates or overwrites and index at an specified location using the given files. FILES_TO_INDEX accepts multiple files and wildcards, as usual. Options: -l, --lang [ar|da|nl|en|fi|fr|de|hu|it|no|pt|ro|ru|es|sv|tr] Comma-separated list of languages to use when indexing. Should be specified multiple times. Defaults to "-l pt -l en". -w, --overwrite Overwrite existing index in INDEX_DIR, if exists. Defaults to false unless INDEX_DIR is not specified. -a, --append Append files to the index in INDEX_DIR, if it exists. Defaults to true unless INDEX_DIR is not specified. --help Show this message and exit.
Usage: washer search [OPTIONS] [QUERY]... Search the given index for a term or multiple terms. QUERY can be anything, typically it will be just one or a bunch of words, but it accepts special operators (NOT, AND, *, ? etc.) as specified in http://whoosh.readthedocs.io/en/latest/querylang.html Options: --count Force counting results. A mostly useless flag. --frag / --no-frag Show text fragments of the files that matched.Enabled by default. --help Show this message and exit.
This tool is licensed in the same way as Whoosh, as long as it complies with requirements from the other two dependencies, click and blessings.