HomeHacker News Show HN: GNU sed eBook with hundreds of one-liners and exercises https://ift.tt/3tJVo3G byHat hair -April 23, 2021 0 Show HN: GNU sed eBook with hundreds of one-liners and exercises https://ift.tt/2QuD0NP April 23, 2021 at 04:44PM Tags: Hacker News Facebook Twitter