Symbols & Methods

Question 1

#

Answer 1

octothrope - used to make a comment

Question 2

{$0}

Answer 2

From command line, the name of the script you are running

Question 3

{variable}

Answer 3

used for interpolation of a variable / to include your variable that doesn’t have information in it yet

Question 4

$

Answer 4

attaches a variable from the command line

Question 5

%

Answer 5

Modulo that returns the remainder in division

Question 6

%d

Answer 6

represents a digit in a text string

Question 7

%s

Answer 7

represents a string of text in a test string

Question 8

( )

Answer 8

used to encapsulate arguments

Question 9

*

Answer 9

multiplication

Question 10

+

Answer 10

addition

Question 11

-

Answer 11

subtraction

Question 12

/

Answer 12

division

Question 13

<

Answer 13

less than

Question 14

«TEXT TEXT

Answer 14

to start and end a chunk of code that will not be read by ruby

Question 15

<=

Answer 15

less than or equal to

Question 16

>

Answer 16

greater than

Question 17

> =

Answer 17

greater than or equal to

Question 18

ARGV

Answer 18

argument value, holds arguments held on the cmd line

Question 19

File

Answer 19

used as a method to define and enact file options

Question 20

File.close()

Answer 20

closes a file

Question 21

File.exists?

Answer 21

check to see if a file exists or not

Question 22

File.open()

Answer 22

opens a file

Question 23

File.open(filename, ‘w’)

Answer 23

Specifically opens a file for writing

Question 24

File.read()

Answer 24

reads the contents of a file

Question 25

File.readline()

Answer 25

reads a numbered line on a file

Question 26

File.seek()

Answer 26

locate a particular spot in the file

Question 27

File.truncate()

Answer 27

remove the contents of a file

Question 28

File.write()

Answer 28

write line or characters to a file

Question 29

STDIN

Answer 29

used when ARGV is used to get input from the user

Question 30

[ ]

Answer 30

array

Question 31

\\

Answer 31

permits on backslash

Question 32

\n

Answer 32

new line

Question 33

\t

Answer 33

adds tab space

Question 34

chomp

Answer 34

used w/gets to get info

Question 35

do

Answer 35

reflects the start of a block of code to be run together

Question 36

end

Answer 36

closes a block section of code

Question 37

gets

Answer 37

takes input

Question 38

open

Answer 38

open a file or url

Question 39

print

Answer 39

takes text and prints it on the screen

Question 40

puts

Answer 40

used to "put" a "string" of characters on the screen along with a new line

Question 41

variable

Answer 41

a value stored