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What are some tiny, lightweight apps for Linux that are really neat? (self.foss)

submitted 1 year ago by Witch to c/foss

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Playing around with PeppermintOS on a "new " old laptop, and having fun. Its making me realize that tiny things can really work to impress. (Especially when you're waiting on a ram upgrade, haha!)

Could be terminal based or GUI, I'm just curious---what tiny apps do you use that you think are neat? Things that don't take up much storage or memory.

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[–] StrayCatFrump 30 points 1 year ago (3 children)

jq for parsing/formatting/manipulating JSON, and its yq wrapper for YAML. Holy shit you can do powerful queries with them.

[–] tom42 6 points 1 year ago (1 children)

Or the even faster successor gojq.

[–] sin_free_for_00_days@lemmy.one 4 points 1 year ago (1 children)

Not sure how big the JSON files are you're messing with, but I've never had any noticeable delay using jq.

[–] StrayCatFrump 1 points 1 year ago* (last edited 1 year ago)

When you're dealing with log files that are on the order of 100 MB or 1+ GB in size, jq can, indeed, be a bit slow. Often I use grep as a first-pass filter, which speeds things up tremendously. I'll have to give gojq a try and see if it makes the initial grep unneeded. The downside is that jq is often already installed everywhere I need it (VMs, base docker images, etc.), but gojq definitely is not (yet).

[–] tochee@aussie.zone 3 points 1 year ago

I use jq for decoding base64 😂

pbpaste | jq -R 'split(".") | .[0],.[1] | @base64d | fromjson'

[–] pkulak 1 points 1 year ago (1 children)

Big fan of gron and grep myself. Way easier if you’re not doing anything crazy.

[–] StrayCatFrump 2 points 1 year ago* (last edited 1 year ago)

For sure. Often I use grep as a first pass to find relevant entries in JSON-lines formatted log files, and then pass that through jq (or yq -y if I want YAML output) for further filtering, processing, and formatting.