Ruby One-Liners Cookbook
Languages and libraries
ruby command line one-liners
SHOW HN2020
Ruby One-Liners Cookbook
Ruby is based on programming languages like Perl, Smalltalk, Eiffel, Ada, and Lisp.
learnbyexample.github.io#ruby one-liners#ruby command line#perl switches#text processing
191points
36comments
#295of 3,028 in 2020
Top 10%of 2020 by points
How HN took it
DebatedReal support and real criticism
3 positive, 2 neutral or asking, 0 mixed, 4 critical, out of 9 comments about the project. Thread score 0.00.
Design: 0 for, 3 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Ruby is enjoyable and fun to write
From 2 comments
And mind you, i've seen and written my good share of crap Ruby code! It's not about the quality of the code or the fit-for-purposeness of the language or platform, it's about the…
pantulis on HNRuby brings me joy of programming. Like this morning, doing a report for year, month and getting the last day of the month is absolute genius: Date.new(year, month, -1) # wow
oogway8020 on HN
Maker's honest story about earning from books
From 1 comment
Thanks for a detailed, honest, and inspiring share. That’s a pretty amazing story.
tomcam on HN
Objections
Some one-liners are very long, around 120 characters
From 1 comment
Some of these one-liners are clocking in at around 120 characters.
bdcravens on HN
Inline code is unreadable in dark theme on Firefox
From 2 comments
Just FYI, the code element color is impossible to see when the page loads its dark theme. Otherwise, looks great.
save_ferris on HNFirefox on MacOS causes the issue, Chrome works fine.
save_ferris on HN
Alternatives named
Perl one-liners
From 2 comments
It’s fascinating to me that the mindshare that was once taken up by Perl seems to slowly but surely be replaced by Ruby. This is a positive, IMO. Compared to Perl, Ruby is easier…
revscat on HNRuby, like Perl, is really built to be a part of a *nix system and has some bash elements (like special variables). It's a natural fit for one-liners.
jrumbut on HN