How to restore a hidden file in Time Machine?

To be able to view invisible files…

Late edit
Since Sierra (macOS 10.12) you can use shift ⇧ cmd ⌘ . to toggle visibility. You only need the old AppleShowAllFiles trick if you want to make the change permanent.

Open Applescript Editor, in Applications > Utilities then copy/paste this to a new script...

Since El Capitan the trick of changing view no longer works, so it's back to quitting the Finder

For a method to make this into a Service with key command see
https://apple.stackexchange.com/a/258741/85275

set newHiddenVisiblesState to "YES"
try
    set oldHiddenVisiblesState to do shell script "defaults read com.apple.finder AppleShowAllFiles"
    if oldHiddenVisiblesState is in {"1", "YES"} then
        set newHiddenVisiblesState to "NO"
    end if
end try
do shell script "defaults write com.apple.finder AppleShowAllFiles " & newHiddenVisiblesState
do shell script "killall Finder"
return input

Mavericks/Yosemite ought to work with this view refresh version, which was faster & smoother, but it just stopped working at El Capitan...

set newHiddenVisiblesState to "YES"
try
    set oldHiddenVisiblesState to do shell script "defaults read com.apple.finder AppleShowAllFiles"
    if oldHiddenVisiblesState is in {"1", "YES"} then
        set newHiddenVisiblesState to "NO"
    end if
end try
do shell script "defaults write com.apple.finder AppleShowAllFiles " & newHiddenVisiblesState


tell application "Finder"
    set theWindows to every Finder window
    repeat with i from 1 to number of items in theWindows
        set this_item to item i of theWindows
        set theView to current view of this_item
        if theView is list view then
            set current view of this_item to icon view
        else
            set current view of this_item to list view

        end if
        set current view of this_item to theView
    end repeat
end tell

Then Save as an application, which you can then just double-click to toggle showing/hiding invisible files.

You don't need to kill the Finder for this toggle, a refresh is sufficient - & may be faster.

Rest assured that Time Machine is backing up your dot-files! You just can't see them by default in Finder. In order to restore a hidden file like .zshrc you first need to turn off file hiding in finder. You can do this by opening a Terminal window and entering:

defaults write com.apple.finder AppleShowAllFiles TRUE
killall Finder

Now enter Time Machine and navigate to where your hidden files resided. You should be able to restore them from there.

When you've restored all the files you want you can go back to having Finder hide them by entering:

defaults write com.apple.finder AppleShowAllFiles FALSE
killall Finder

in a Terminal window.

The AppleShowAllFiles pref seems to be gone in High Sierra.

Fortunately, you can now (in Sierra and High Sierra) tell Finder to show you all your "hidden" (dot) files with:

shift ⇧ + cmd ⌘ + .

This works in Time Machine as well.

You can easily access to your hidden file by using the Terminal.

cd /Volumes/TIME_CAPSULE_DISK_NAME/Backups.backupdb/YOUR_BACKUP/Users/YOUR_NAME
ls -la

How to restore a hidden file in Time Machine?

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