Check Whether a Shell Command Exists

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Python¶

shutil.which

Fish¶

Check for Existence of Commands in the Fish Shell

Bash¶

which

Reference¶

• https://stackoverflow.com/questions/11210104/check-if-a-program-exists-from-a-python-script/34177358

• https://stackoverflow.com/questions/592620/how-to-check-if-a-program-exists-from-a-bash-script