I was just on a system that didn't have this hack, and it reminded me how useful it is, so I thought I'd share it for others. Maybe you all can reply with your own shell tricks.
Some of you may know about the pushd
and popd
commands. pushd
is like cd
, but keeps track of where you've been. Then you can popd
back as many levels as you want. It's like cd
and cd -
but with a history bigger than one.
The big issue I have with pushd
and popd
is that in order for popd
to work, I have to remember to pushd
first. But, like many of you, by default, I navigate the terminal using the cd
command instead. By the time that I realize popd
will be useful, it's already too late because I didn't remember to pushd
up front.
Now the hack. Just toss this in your ~/.bashrc
:
function cd
{
if [ $# -eq 0 ]; then
pushd ~ > /dev/null
elif [ " $1" = " -" ]; then
pushd "$OLDPWD" > /dev/null
else
pushd "$@" > /dev/null
fi
}
And start a new shell. From that point forward, cd
will actually execute pushd
under the hood, and popd
will always be available when you need it.
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[ Free download: Advanced Linux commands cheat sheet. ]
About the author
Ray is a Desktop Software Engineer who works on GNOME, Fedora, and Red Hat Enterprise Linux.
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