Bash Scripting Flashcards
1
Q
is equal to
A
-eq
if [ “$a” -eq “$b” ]
2
Q
is not equal to
A
-ne
if [ “$a” -ne “$b” ]
3
Q
is greater than
A
-gt
if [ “$a” -gt “$b” ]
4
Q
is greater than or equal to
A
-ge
if [ “$a” -ge “$b” ]
5
Q
is less than
A
if-lt
[ “$a” -lt “$b” ]
6
Q
is less than or equal to
A
-le
if [ “$a” -le “$b” ]
7
Q
is less than
A
<
(within double parentheses)
((“$a” < “$b”))
8
Q
is less than or equal to
A
<=
(within double parentheses)
((“$a” <= “$b”))
9
Q
is greater than
A
>
(within double parentheses)
((“$a” > “$b”))
10
Q
is greater than or equal to
A
> =
(within double parentheses)
((“$a” >= “$b”))
11
Q
is equal to
A
= (or ==)
if [ “$a” = “$b” ]
12
Q
is not equal to
A
!=
if [ “$a” != “$b” ]
13
Q
string is null, that is, has zero length
A
-z
string is null, that is, has zero length
14
Q
string is not null
A
-n
15
Q
logical ‘and’
A
-a
exp1 -a exp2
returns true if both exp1 and exp2 are true
