Automatically updates all git repos within a directory. Great for manaing a large collection of tools installed in something like /opt

auto_update_git_repos.sh

for repo in $(ls -l |grep dr |awk {'print $9'}); do 
	cd $repo; 
	if [ -d ".git" ]; then 
		echo "Attempting to update $repo"| logger 
		git pull;
		if [ $? -ne 0 ]; then
			echo "Error attempting to update $repo" 1> >(logger -s 2>> /opt/repoupdate.err)
		fi;
	fi; 
	cd ..; 
done