Remove Extended Attributes on Mac
If you have a file with @ sign at end, this is how to remove extended attributes on the Mac OS.
Example.
<pre lang="bash">
ls -l
-rwxr-xr-x@ 4 username staff 128 Mar 24 10:51 sample.txt
Remove extended attributes.
<pre lang="bash">
xattr -c sample.txt
Result
<pre lang="bash">
ls -l
-rwxr-xr-x 4 username staff 128 Mar 24 10:51 sample.txt