1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
# Test parameter subscripting.
%prep
s='Twinkle, twinkle, little *, [how] I [wonder] what? You are!'
a=('1' ']' '?' '\2' '\]' '\?' '\\3' '\\]' '\\?' '\\\4' '\\\]' '\\\?')
typeset -g -A A
A=($a)
%test
x=','
print $s[(i)winkle] $s[(I)winkle]
print ${s[(i)You are]} $#s
print ${s[(r)$x,(R)$x]}
0:Scalar pattern subscripts without wildcards
>2 11
>53 60
>, twinkle, little *,
x='*'
print $s[(i)*] $s[(i)\*] $s[(i)$x*] $s[(i)${(q)x}*] $s[(I)$x\*]
print $s[(r)?,(R)\?] $s[(r)\?,(R)?]
print $s[(r)\*,(R)*]
print $s[(r)\],(R)\[]
0:Scalar pattern subscripts with wildcards
>1 26 1 26 26
>Twinkle, twinkle, little *, [how] I [wonder] what? ? You are!
>*, [how] I [wonder] what? You are!
>] I [
# $s[(R)x] actually is $s[0], but zsh treats 0 as 1 for subscripting.
print $s[(i)x] : $s[(I)x]
print $s[(r)x] : $s[(R)x]
0:Scalar pattern subscripts that do not match
>61 : 0
>: T
print -R $s[$s[(i)\[]] $s[(i)$s[(r)\*]] $s[(i)${(q)s[(r)\]]}]
0:Scalar subscripting using a pattern subscript to get the index
>[ 1 33
print -R $a[(r)?] $a[(R)?]
print $a[(n:2:i)?] $a[(n:2:I)?]
print $a[(i)\?] $a[(I)\?]
print $a[(i)*] $a[(i)\*]
0:Array pattern subscripts
>1 ?
>2 2
>3 3
>1 13
# It'd be nice to do some of the following with (r), but we run into
# limitations of the ztst script parsing of backslashes in the output.
print -R $a[(i)\\\\?] $a[(i)\\\\\?]
print -R $a[(i)\\\\\\\\?] $a[(i)\\\\\\\\\?]
print -R ${a[(i)\\\\\\\\?]} ${a[(i)\\\\\\\\\?]}
print -R "$a[(i)\\\\\\\\?] $a[(i)\\\\\\\\\?]"
print -R $a[(i)\]] $a[(i)\\\\\]] $a[(i)\\\\\\\\\]] $a[(i)\\\\\\\\\\\\\]]
print -R $a[(i)${(q)a[5]}] $a[(i)${(q)a[8]}] $a[(i)${(q)a[11]}]
print -R $a[(i)${a[3]}] $a[(i)${a[6]}] $a[(i)${a[9]}] $a[(i)${a[12]}]
0:Array pattern subscripts with multiple backslashes
>4 6
>7 9
>7 9
>7 9
>2 5 8 11
>5 8 11
>1 3 4 6
print -R $A[1] $A[?] $A[\\\\3] $A[\\\]]
print -R $A[$a[11]]
print -R $A[${(q)a[5]}]
0:Associative array lookup (direct subscripting)
>] \2 \\] \?
>\\\?
>\\\?
# The (o) is necessary here for predictable output ordering
print -R $A[(I)\?] ${(o)A[(I)?]}
print -R $A[(i)\\\\\\\\3]
print -R $A[(I)\\\\\\\\\?] ${(o)A[(I)\\\\\\\\?]}
0:Associative array lookup (pattern subscripting)
>? 1 ?
>\\3
>\\? \\3 \\?
print -R $A[(R)\?] : ${(o)A[(R)?]}
print -R $A[(R)\\\\\?] ${(o)A[(R)\\\\?]} ${(o)A[(R)\\\\\?]}
print -R ${(o)A[(R)\\\\\\\\\]]}
0:Associative array lookup (reverse subscripting)
>: ]
>\? \2 \? \?
>\\]
x='*'
A[$x]=xstar
A[${(q)x}]=qxstar
print -R ${(k)A[(r)xstar]} $A[$x]
print -R ${(k)A[(r)qxstar]} $A[${(q)x}]
# A[*] is interpreted specially, assignment to it fails silently (oops)
A[*]=star
A[\*]=backstar
print -R ${(k)A[(r)star]} $A[$x]
print -R ${(k)A[(r)backstar]} $A[\*]
0:Associative array assignment
>* xstar
>\* qxstar
>xstar
>\* backstar
o='['
c=']'
A[\]]=cbrack
A[\[]=obrack
A[\\\[]=backobrack
A[\\\]]=backcbrack
print -R $A[$o] $A[$c] $A[\[] $A[\]] $A[\\\[] $A[\\\]]
print -R $A[(i)\[] $A[(i)\]] $A[(i)\\\\\[] $A[(i)\\\\\]]
0:Associative array keys with open and close brackets
>obrack cbrack obrack cbrack backobrack backcbrack
>[ ] \[ \]
print -R $A[$o] $A[$s[(r)\[]]
print -R $A[(r)$c] $A[(r)$s[(r)\]]]
print -R $A[$A[(i)\\\\\]]]
0:Associative array lookup using a pattern subscript to get the key
>obrack obrack
>] ]
>backcbrack
print -R ${A[${A[(r)\\\\\\\\\]]}]::=zounds}
print -R ${A[${A[(r)\\\\\\\\\]]}]}
print -R $A[\\\\\]]
0:Associative array substitution-assignment with reverse pattern subscript key
>zounds
>zounds
>zounds
|
