This is plaintext english text file.
Plaintext is the content of sequential file readable as textual material without further processing.
$ file sample_english.txt sample_english.txt: ASCII text
Sample english text file: download here.
$ file sample_bulgarian_utf8.txt sample_bulgarian_utf8.txt: UTF-8 Unicode text
Sample bulgarian text file utf-8 encoded: download here.
$ file sample_bulgarian_cp1251.txt sample_bulgarian_cp1251.txt: ISO-8859 text
Sample bulgarian text file windows-1251 encoded: download here.