Foundations of Software Testing: Fundamental Algorithms and Techniques

Test Generation from Combinatorial Designs

Table 4.2 Factors and levels for the Unix sort utility (continued)

Factor Meaning Levels

-f Ignore case Unused Used

-i Ignore

non-ASCII

characters

Unused Used

-M Fields are

compared as

months

Unused Used

-n Sort input

numerically

Unused Used

-r Reverse the

output order

Unused Used

-b Ignore leading

blanks when

using +pos1

and −pos2

Unused Used

-t char Use character c

as field

separator

Unused c

1

c

1

c

2

-k keydef Restricted sort

key definition

Unused start end starttype

+pos1 Start position

in the input

line for

comparing

fields

Unused f.c f 0.c

-pos2 End position

for

comparing

fields

Unused f.c f 0.c

file File to be

sorted

Not Exists Does not

specified ...