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