Setting up spell check for navigating directories

This is a neat trick I somehow just learned about. By running:

$ shopt -s cdspell

You can set Bash to fix minor spelling errors in cd commands. Here is an example:

$ mkdir spellingIsHard
$ cd spelingIsHard
bash: cd: spelingIsHard: No such file or directory
$ shopt -s cdspell
$ cd spelingIsHard
spellingIsHard
/spellingIsHard$

This only works in the interactive shell (for good reason) and I wish there was a set equivalent so it would be more portable, but overall this a very handy option.

Further Reading:

• shopt builtin man page
• Other Example Usages -cyberciti (Mar 2016)

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