Minimal safe Bash script template
Published on December 14, 2020 · Updated on December 16, 2020 Bash scripts. Almost anyone needs to write one sooner or later. Almost no one says “yeah, I love writing them”. And that’s why almost everyone is putting low attention while writing them. I won’t try to make you a Bash expert (since I’m not a one either), but I will show you a minimal template that will make your scripts safer. You
Bash prompt with the last exit code
I've been trying to customize my Bash prompt so that it will look like [feralin@localhost ~]$ _ with colors. I managed to get constant colors (the same colors every time I see the prompt), but I want the username ('feralin') to appear red, instead of green, if the last command had a nonzero exit status. I came up with: \e[1;33m[$(if [[ $? == 0 ]]; then echo "\e[0;31m"; else echo "\e[0;32m"; fi)\u\
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