profile.d

Shared shell configuration

Shared settings between different shells.

Tips and tricks: random cool things from the internet

Get basename of file

file_path=...
echo ${file_path##*/}

Get dirname of file

file_path=...
echo ${file_path%/*}

Remove all files except for specified one link:

rm -f !(survivior.txt)

Make a directory and move into it link

mkdir /home/foo/doc/bar && cd $_

Rename a file extension link

mv filename.{old,new}

Open Finder from the current Terminal location link

open .

Start COMMAND, and kill it if still running after 5 seconds link

timeout 5s <COMMAND>

Run last command (potentially as root) link

[sudo] !!

Run last command starting with string

!string

Run previous command with changed arguments link

^foo^bar     # changes first found match
^foo^bar^:&  # changes all found matches

Invoke editor to edit command link

ctrl-x e
fc

# In vim mode; ie. go out of insert mode and v
<Esc> v

Use last argument of most recent command link

<Esc> _
$_

Delete and yank partial command link

<ctrl+u> [...] <ctrl+y>

# In vim mode; ie. same yanking as usual
<Esc> dd [...] p

Show currently mounted file systems link

mount | column -t

Show external IP link

curl ifconfig.me

Serve current directory as LAN server link

python -m SimpleHTTPServer 8080
python3 -m http.server 8080