Show HN: Ov – feature rich terminal pager • Hacker News Board

Re: Show HN: Ov – feature rich terminal pager

#41

Post by adamredwoods » Wed, Jan 04, 2023, 7:02 PM UTC

armchairhacker wrote: post #2

I'm surprised there aren't more pagers besides `less` and `more`. Alternatives I've found online: - https://linux.die.net/man/1/most (multiple files/windows at once) - https://github.com/sharkdp/bat (uses `less` under the hood, syntax highlighting and git diffs) - https://linux.die.net/man/1/lesskey (add parameters to `less`) - https://github.com/ivanov/kanten (looks abandoned) - "Just use vim" (and vim's paging is r…

I'm a fan of lnav, more for log files but incredibly useful:

https://lnav.org/

Re: Show HN: Ov – feature rich terminal pager

#42

Post by adamredwoods » Wed, Jan 04, 2023, 7:04 PM UTC

Any markdown support? I don't see any in the feature list. :(

Re: Show HN: Ov – feature rich terminal pager

#43

Post by noborus » Wed, Jan 04, 2023, 7:40 PM UTC

rakoo wrote: post #12

ov looks really nice and probable deserves a try. I like the section thing, it's going to be useful for diffs to go file by file. One feature I discovered recently in less that I'm always using now is filtering: type '&' and then the thing you're looking for, and less will only show matching lines.

Filtering in less is one of the features that ov doesn't have yet. I will refer to it. thank you.

Re: Show HN: Ov – feature rich terminal pager

#44

Post by noborus » Wed, Jan 04, 2023, 7:43 PM UTC

adamredwoods wrote: post #42

Any markdown support? I don't see any in the feature list. :(

Does not support markdown. ov is a pager, so there is no rendering of specific files. But it can be used as a bat(https://github.com/sharkdp/bat) pager. It can also be created using the ov(oviewer) package. Here's a sample: https://github.com/noborus/mdviewer

Re: Show HN: Ov – feature rich terminal pager

#45

Post by noborus » Wed, Jan 04, 2023, 8:03 PM UTC

throwawaybutwhy wrote: post #33

Suppose it is a technicality, but if it can't handle large (larger than available memory, that is) files [0], it's not a pager. [0] https://github.com/noborus/ov/issues/201

I see memory efficiency as an issue, but not as a priority issue as it was 30 years ago.

Re: Show HN: Ov – feature rich terminal pager

#46

Post by pseufaux » Wed, Jan 04, 2023, 8:17 PM UTC

I didn’t see any indication in the readme if this supports syntax highlighting. Any plans to add it?

Re: Show HN: Ov – feature rich terminal pager

#47

Post by ktpsns » Wed, Jan 04, 2023, 9:31 PM UTC

noborus wrote: post #45

throwawaybutwhy wrote: post #33

Suppose it is a technicality, but if it can't handle large (larger than available memory, that is) files [0], it's not a pager. [0] https://github.com/noborus/ov/issues/201

I see memory efficiency as an issue, but not as a priority issue as it was 30 years ago.

In data science/industry it frequently happens for people to open files bigger then the available memory in less. "Big data" is a somewhat independent concept of the fact that RAM was smaller 30 years ago.

Re: Show HN: Ov – feature rich terminal pager

#48

Post by John23832 » Wed, Jan 04, 2023, 9:55 PM UTC

I tried testing this using /dev/random and I got a lot of flickering.

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Re: Show HN: Ov – feature rich terminal pager

#49

Post by shaicoleman » Thu, Jan 05, 2023, 12:42 AM UTC

kbd wrote: post #8

Anyone tried using this for a scrollback pager for kitty terminal? I have a convoluted nvim incantation right now I’d love to replace.

Yes, it works by adding to kitty.conf:

  scrollback_pager ov

Re: Show HN: Ov – feature rich terminal pager

#50

Post by kbd » Thu, Jan 05, 2023, 1:25 AM UTC

shaicoleman wrote: post #49

kbd wrote: post #8

Anyone tried using this for a scrollback pager for kitty terminal? I have a convoluted nvim incantation right now I’d love to replace.

Yes, it works by adding to kitty.conf: scrollback_pager ov

Yeah I experimented with it, seemed to work out of the box. I used `ov -f` so it starts at the end of the scrollback. Searching behaves strangely (different from vim). Seems to run fast but I haven't tried it on giant scrollbacks yet.