#!/bin/bash
# don't forget about >$ chmod 755 script.sh for start >$ ./script.sh
echo "My First Script!"

#Variables
VARIABLE_NAME="Value"
echo $VARIABLE_NAME
MY_NAME="Mikhadziuk Pavel"
echo "Hello, I am $MY_NAME"
VARIABLE_CURLY="Value2"
echo "Variable in curly brackets ${VARIABLE_CURLY}"
#LIST=${ls}
#SERVER_NAME=${hostname}

#User input
#read -p "Promt Message" VARIABLE_VALUE
read -p "Please enter your name: " NAME
echo "Your name is $NAME"

#Tests
# -d FILE_NAM  # True if FILE_NAM is a directory
# -e FILE_NAM  # True if FILE_NAM exists
# -f FILE_NAM  # True if FILE_NAM exists and is a regular file
# -r FILE_NAM  # True if FILE_NAM is readable
# -s FILE_NAM  # True if FILE_NAM exists and is not empty
# -w FILE_NAM  # True if FILE_NAM has write permission
# -x FILE_NAM  # True if FILE_NAM is executable

# -z STRING  # True if STRING is empty
# -n STRING  # True if STRING is not empty
# STRING1 = STRIN2 # True if strings are equal
# STRING1 != STRIN2 # True if strings are not equal

# var1 -eq var2  # True if var1 is equal to var2
# var1 -ne var2  # True if var1 not equal to var2
# var1 -lt var2  # True if var1 is less than var2
# var1 -le var2  # True if var1 is less than or equal to var2
# var1 -gt var2  # True if var1 is greater than var2
# var1 -ge var2  # True if var1 is greater than or equal to var2

#if [ condition-is-true ]
#then
#  command 1
#  command 2
#    ...
#    ...
#  command N
#fi

#if [ condition-is-true ]
#then
#  command 1
#elif [ condition-is-true ]
#then
#  command 2
#elif [ condition-is-true ]
#then
#  command 3
#else
#  command 4
#fi

#case "$VAR" in
#  pattern_1)
#    # commands when $VAR matches pattern 1
#    ;;
#  pattern_2)
#    # commands when $VAR matches pattern 2
#    ;;
#  *)
#    # This will run if $VAR doesnt match any of the given patterns
#    ;;
#esac

#!/bin/bash
read -p "Enter the answer in Y/N: " ANSWER
case "$ANSWER" in
  [yY] | [yY][eE][sS])
    echo "The Answer is Yes :)"
    ;;
  [nN] | [nN][oO])
    echo "The Answer is No :("
    ;;
  *)
    echo "Invalid Answer :/"
    ;;
esac

#Loops
#for VARIABLE_NAME in ITEM_1 ITEM_N
#do
#  command 1
#  command 2
#    ...
#    ...
#  command N
#done