this post was submitted on 10 Jun 2023
14 points (100.0% liked)

Shell Scripting

120 readers
1 users here now

From Ash, Bash and Csh to Xonsh, Ysh and Zsh; all shell languages are welcome here!

Rules:
  1. Follow Lemmy rules!
  2. Posts must relate to shell scripting. (See bottom of sidebar for more information.)
  3. Only make helpful replies to questions. This is not the place for low effort joke answers.
  4. No discussion about piracy or hacking.
  5. If you find a solution to your problem by other means, please take your time to write down the steps you used to solve your problem in the original post. You can potentially help others having the same problem!
  6. These rules will change as the community grows.

Keep posts about shell scripting! Here are some guidelines to help:


In general, if your submission text is primarily shell code, then it is welcome here!

founded 1 year ago
MODERATORS
 

A huge part of programming in general is learning how to troubleshoot something, not just having someone else fix it for you. One of the basic ways to do that is by tracing. Not only can this help you figure out what your script is doing and how it's doing it, but in the event that you need help from another person, posting the output can be beneficial to the person attempting to help.

(If your shell isn't listed and you know how to enable tracing, comment below and I'll add it to the table!)

Shell How to enable tracing
Bash set -x or set -o xtrace
Fish set fish_trace on
sh set -x
Zsh set -x or setopt xtrace

Also, writing scripts in an IDE that supports your language. syntax highlighting can immediately tell you that you're doing something wrong.

If an IDE isn't an option and you're using Bash or Sh, you can paste your script into https://www.shellcheck.net/

(Inspired by this post on /r/bash)

you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 1 points 1 year ago

Ohhh that's nice! That's genuinely super helpful! Never knew about this one, thanks!