BashScript-Reference

1. echo $SHELL

   Output: /bin/bash

2. bash app.sh

3. #!/bin/bash

4. chmod u+x app.sh

---

1. $VARIABLE_NAME

2. read

3. if   [ $X = $Y ]; then
      	    # Do Something
   elif [ $X = $Z ]; then
      	    # Do Something
   else
      	    # Do Something
   fi
   

4. case $X in
       $Y | $Z)
   	# Do Somethisg
   	;;
       $A)
   	# Do Somethisg
   	;;
       *)
   	# Do Somethisg
   	;;
   esac
   

5. MY_ARRAY=(one two three)

   echo ${MY_ARRAY[@]}

   Output: one two three

   echo ${MY_ARRAY[0]}

   Output: one

   echo ${MY_ARRAY[1]}

   Output: two

   echo ${MY_ARRAY[2]}

   Output: three

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Learn From Youtube 😊

Bash Scripting Tutorial