Tag: shell

  • Jan 23, 2019

    touch to update a file timestamp

    Touch is mainly known for creating files. Touch main purpose is actually to update the file’s timestamp. From the man:

    The touch utility sets the modification and access times of files. If any file does not exist, it is created with default permissions.

    shell   til  
  • Dec 20, 2018

    Reuse last argument from previous command

    If you need to reuse the reuse the last argument from the previous command this is for you: 

    touch config.js
vi !$
    Last command is equivalent to 
    vi config.js
    Bonus: echo $? will display the exit code of therevious command !! will re-execute the previous command, sudo !!

    shell   til  
  • Dec 20, 2018

    Calendar in shell

    I love calendars and shell has a way to display the calendar for the current month 

    $ cal
    shell cal output

    calendar   shell   til