Mac OS X Terminal: I repeatedly get error message “-bash: .DS_Store: command not found” in the terminal

Question

Yesterday I was trying to get .DS_Store files to be globally ignored by git.

I must have entered some command incorrectly because now every time I launch terminal or use the cd command, I get six lines of -bash: .DS_Store: command not found, like so:

[11:28:30] [~]$ cd Projects/
-bash: .DS_Store: command not found
-bash: .DS_Store: command not found
-bash: .DS_Store: command not found
-bash: .DS_Store: command not found
-bash: .DS_Store: command not found
-bash: .DS_Store: command not found
[11:28:33] [Projects]$

Obviously, DS_Store is not supposed to be a command.

How do I fix this?

Thanks.

EDIT:
I don't remember exactly every command I ran. I was googling, and trying stuff. I know I did execute the commands found here.

git config --global core.excludesfile ~/.gitignore

echo .DS_Store >> ~/.gitignore

EDIT 2: I figured it out. Answer provided below.

Answer 1

I figured it out. At some point I ran echo .DS_Store >> ~/.rvmrc a couple times. My .rvmrc file looked like this:

export rvm_path="/Users/myname/.rvm"
.DS_Store
.DS_Store

I removed the two .DS_Store lines and everything is behaving properly.