![[shell] Trimming fixed prefixes and suffixes from string variables](https://images.unsplash.com/photo-1596518432939-479596b448b3?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=M3wxMTc3M3wwfDF8c2VhcmNofDM1fHxzY2lzc29yfGVufDB8fHx8MTczNjY5Mzk1NXww&ixlib=rb-4.0.3&q=80&w=960)
[shell] Trimming fixed prefixes and suffixes from string variables
In shell scripting, there are often cases where you want to remove file extensions like `.txt` or `.png` from a string variable. In Python, you could use the `split` method, but how can you handle this simply in a shell script?