xattr -d com.apple.quarantine /Applications/XXX.app
sometimes I get
xattr: /Applications/XXX.app: No such xattr: com.apple.quarantine
How does one verify if any named attribute exist for a given XXX.app?
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xttar command causes both the attribute names and corresponding values to be displayed, if any exist.
xattr -l file
You can also use the
ls -@ file
That said, the
... No such xattr: com.apple.quarantine message is a non-fatal message, meaning there no real need to make it conditional, and if your goal is to remove the
com.apple.quarantine extended attribute from a lot of files at once in a given directory, then
cd to the target directory and use the following command:
for f in *; do xattr -dr com.apple.quarantine "$f" 2>/dev/null; done
The above one-liner will delete the
com.apple.quarantine extended attribute off every file that has it and act as if the entire contents of the directory recursively were also specified (so that every file in the directory tree is acted upon), thats the
-r option, while not showing errors for files that don't have the target extended attribute. (That's what the
There is no direct way to test the existance of a specific extended attribute. In your case you could, with
do something like
if [[ $(xattr "$file") = *$attr* ]]; then xattr -d $attr "$file" fi
or, as a one-liner
[[ $(xattr "$file") = *$attr* ]] && xattr -d $attr "$file"