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head 📜Displays file content from beginning.
-nhead -n 5 ~/.bashrc
-n -Ntail -n -3 ~/.bashrc
-chead -c 1k ~/.bashrc
Prints first 1k of file binary content.
-c -Ntail -c -1k ~/.bashrc
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Obsessed with doing things in the shell, I've decided to share my **daily** struggles on living in the shell as **terse** but **informative** posts.
tail ⛵ Display or follow file content. ℹ️ Here, following means streaming a file while it's being updated (appended). ℹ️ You can use -c in place of -n in the following examples, to switch to binary offset selection. Print bottom N lines of a file -n ...
I was in a break between jobs when I decided it's time to tackle the idea I had for a long time; Godoc-Lint, a linter for Go Doc Comments (godocs). But before getting to Godoc-Lint, let's talk about the problem. Godocs and perfectionism As a bit of c...
![Godoc-Lint: a linter for Go Doc Comments (godocs) [RE#16]](/_next/image?url=https%3A%2F%2Fcdn.hashnode.com%2Fres%2Fhashnode%2Fimage%2Fupload%2Fv1741533596295%2F731ef95a-1af8-49ae-843d-a19d9d418fdf.png&w=3840&q=75)
Recently, I had this task of transferring our tests from using in-memory SQLite instances to Postgres containers. It seemed a like a pretty straightforward set of changes, until I realized it's not. I had to fix some random unexpected issues down the...
![Optimize Postgres Containers for Testing [RE#15]](/_next/image?url=https%3A%2F%2Fcdn.hashnode.com%2Fres%2Fhashnode%2Fimage%2Fupload%2Fv1741533395875%2Fe1a3c4fc-4354-4482-88b8-e8c14750e00a.png&w=3840&q=75)
chmod 🔐 Modifies file/directory permissions (See here or here for more details). Permission expressions are mostly formatted as [ugoa][+-=][rwx]: SymbolMeaning rRead wWrite xExecute SymbolMeaning uUser (owner of the file/directory)...
Emoji in git commit message If you're VS Code user and also a fan of emojis, this new VS Code extension might appeal to you, especially if you've read and liked Emojis for Better Git Commit Messages for its exhaustive table of contextual emoji data w...
cut ✂️ Cuts/extracts text/fields out of text streams. ⚠️ Index values are one-based. Cut characters on a range -c echo "Hello World\!\nGoodbye\!" | cut -c2-5 Takes characters at indices 2 through 5. ello oodb Cut characters on a half-limited rang...
