Exercise - Practice with Parsing

What are the results of the following parsing examples?

quote = 'Experience is the best teacher.'
PARSE VAR quote word1 word2 word3

a) word1 =
b) word2 =
c) word3 =

quote = 'Experience is the best teacher.'
PARSE VAR quote word1 word2 word3 word4 word5 word6

a) word1 =
b) word2 =
c) word3 =
d) word4 =
e) word5 =
f) word6 =

PARSE VALUE 'Experience is the best teacher.' WITH word1 word2 . . word3

a) word1 =
b) word2 =
c) word3 =

PARSE VALUE 'Experience is the best teacher.' WITH v1 5 v2
             ....+....1....+....2....+....3.

a) v1 =
b) v2 =

quote = 'Experience is the best teacher.'
         ....+....1....+....2....+....3.

PARSE VAR quote v1 v2 15 v3 3 v4

a) v1 =
b) v2 =
c) v3 =
d) v4 =

quote = 'Experience is the best teacher.'
         ....+....1....+....2....+....3.

PARSE UPPER VAR quote 15 v1 +16 =12 v2 +2 1 v3 +10

a) v1 =
b) v2 =
c) v3 =

quote = 'Experience is the best teacher.'
         ....+....1....+....2....+....3.

PARSE VAR quote 1 v1 +11 v2 +6 v3 -4 v4

a) v1 =
b) v2 =
c) v3 =
d) v4 =

first = 7
quote = 'Experience is the best teacher.'
         ....+....1....+....2....+....3.

PARSE VAR quote 1 v1 =(first) v2 +6 v3

a) v1 =
b) v2 =
c) v3 =

quote1 = 'Knowledge is power.'
quote2 = 'Ignorance is bliss.'
quote3 = 'Experience is the best teacher.'
CALL sub1 quote1, quote2, quote3
EXIT

sub1:
PARSE ARG word1 . . , word2 . . , word3 .

a) word1 =
b) word2 =
c) word3 =

ANSWERS

- a) word1 = Experience
- b) word2 = is
- c) word3 = the best teacher.
- a) word1 = Experience
- b) word2 = is
- c) word3 = the
- d) word4 = best
- e) word5 = teacher.
- f) word6 = ''
- a) word1 = Experience
- b) word2 = is
- c) word3 = teacher.
- a) v1 = Expe
- b) v2 = rience is the best teacher.
- a) v1 = Experience
- b) v2 = is
- c) v3 = the best teacher.
- d) v4 = perience is the best teacher.
- a) v1 = THE BEST TEACHER
- b) v2 = IS
- c) v3 = EXPERIENCE
- a) v1 = 'Experience '
- b) v2 = 'is the'
- c) v3 = ' best teacher.'
- d) v4 = ' the best teacher.'
- a) v1 = 'Experi'
- b) v2 = 'ence i'
- c) v3 = 's the best teacher.'
- a) word1 = Knowledge
- b) word2 = Ignorance
- c) word3 = Experience