CLI

Converting images to data URLs using the Mac OS command line is a fun demonstration of the command line’s capabilities. To convert an image file to a data URL, we can use the following shell function: function img-data() { TYPE=$(file --mime-type -b $1) ENC=$(base64 $1) ech ...

Fix “X can’t be opened because Apple cannot check for malicious software” and “Developer or app can’t be verified” using the command line. Mac OS X Catalina has introduced a new host of permission issues. There are workarounds for applications ...

Enhancing generators for ES6 in the Sequelize CLI This is the story of my discovery of ES6-class style model definitions with Sequelize (see Using ES6 classes for Sequelize 4 models). The realisation that the current Sequelize CLI model generator didn’t support it (as is ...

Channel your inner Sindre Sohrus and ship a beautifully simple CLI app using Node. Command line apps are a neat way to package repetitive tasks. This will walk you through some tools that are useful to build CLI apps. ...