5 examples for test

  # test if a file exists
test -f somefile

# test is a directory exists
test -d somedirectory

# test if two strings are equal
STRING1 = STRING2

# test if two integers are qual
INTEGER1 -eq INTEGER2
        

  # test if empty string
test -z ""
        

  # test if two strings are identical
test string1 = string 2

# test if two strings are not identical
test string1 != string 2
        

  # Can you put commands beside comments?

Command   # Comm
        

  # your_comment_here
test