if then Statement

if-then Statement

• if-then Statement syntax:

  if CONDITIONS
  then
   COMMANDS
  fi
  

  or

  if CONDITIONS; then
   COMMANDS
  fi
  

  -> DOWNLOAD script file if-then.sh

if-then-else Statement

• if-then Statement syntax:

  if CONDITIONS; then
   COMMANDS
  else
   COMMANDS
  fi
  

  -> DOWNLOAD script file if-then-else.sh

if Nested

• hhhhhh

  if CONDITIONS_1; then
    COMMANDS
  else
    if CONDITIONS_2; then
      COMMANDS
    fi
    if CONDITIONS_3; then
      COMMANDS
    fi
    if CONDITIONS_4; then
      COMMANDS
    fi
  fi
  

  if CONDITIONS_1; then
    COMMANDS
    else
    if CONDITIONS_2; then
      COMMANDS
    elif CONDITIONS_3; then
      COMMANDS
    elif CONDITIONS_4; then
      COMMANDS
    fi
  fi
  

  -> DOWNLOAD script file ifnested.sh