How do i define a user variable in a shell script?



  • Variables store various data, integers & strings. No spaces between the variable name and the assignment.

    A user-defined variable is one that you assign. It helps structure the script.

    These are all variables. The last one is an array variable.

    Myfruit=pineapple
    Mynumber=5
    Myitems=(cheese butter flour eggs sugar)
    echo ${Myitems[1]}
    

    The array can be accessed via the array index number. As shown on line 4. echo ${Myitems[1]}. Array variables allow you to assign multiple values.

    To print or access all the array values use echo ${Myitems[*]}


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