aspell — Interactive spell checker. More information: <http://aspell.net/man-html/index.html>.

Spell check a single file

aspell check {{path/to/file}}

List misspelled words from `stdin`

cat {{path/to/file}} | aspell list

Show available dictionary languages

aspell dicts

Run `aspell` with a different language (takes two-letter ISO 639 language code)

aspell --lang {{cs}}

List misspelled words from `stdin` and ignore words from personal word list

cat {{path/to/file}} | aspell --personal {{personal-word-list.pws}} list