When I start my Terminal I get this error. I have no clue how to fix that and where it comes from.
Last login: Fri Nov 30 21:46:06 on ttys000 -bash: export: `/usr/local/bin': not a valid identifier
Most likely one of the 'export' command in your .bashrc or .bash_profile is mis-configured.
Open up your favorite text editor and view the file(s) in your home directory called .bashrc and .bash_profile.
Look for any lines that begin with
one of the lines should be
there might be spaces between PATH and the first '
if not, copy the contents here and let's have a look.
An alternative if you can't find it is to grep through your home dir or /etc:
make sure you use single quotes to escape the forward slash. then look at the files it lists for the mis-typed export.
OSX has used the path locations in a few files over the 10.6/7/8:
Check all of those for the path's, as @choroba said above the $ is only for the end of the line, so similar to: