reindent shortcut in sublime text [duplicate]

Answer 1

You can find it in Edit>>Line>>Reindent, but it does not have a shortcut by default. You can add a shortcut by going to the menu Preferences - Keybindings-User, then add there (the config file takes as a JSON format):

[
    { "keys": ["f12"], "command": "reindent"} 
]

(example of using the F12 key for that functionality)

Answer 2

I use cmd-[ and cmd-] for indenting but I am not sure exactly what you mean by "reindent"...

Ahh, OK I get your question now, you can use the command to re-calculate and apply correct indentation to a file. For example, if you open a file that has had been programmatically altered and had whitespace stripped or tabs removed you would use the reindent command to restore correct formatting.