• bash,  Unix

    Basic Bash Inputs

    Recently someone asked me about accepting bash inputs. So I decided to take a stab at writing a little about it up. For the initial one we’ll look at accepting text input. Here, we’ll just sandwich a read statement between two echo commands. In the first echo we’ll ask for a name of a variable. Then we’ll read it in with the read command. And in the second echo we’ll write it out. Using the variable involves using the string of the variable (myvariable in this case) with a dollar sign in front of it, as in $myvariable below: echo "Please choose a number: " read myvariable echo "You picked…

  • Mac OS X,  Mac OS X Server,  Mac Security,  Ubuntu,  Unix

    Using Inputs in Bash Scripts

    You can easily accept user provided input in bash by using the read command in bash for Linux and OS X. Here, we’ll echo out a choice to a user in a script, read the output into a variable called yn and then echo out the response: echo "Please enter y or n: " read yn echo "You chose wrong: $yn" Here, we used echo to simply write out what was chosen in the input. But we could also take this a little further and leverage a case statement to then run an action based on the choice selected: read -p "Should the file extension change warning be disabled (y/n)?…