1 |
## compare_shells: bash-4.4
|
2 |
|
3 |
# Tests for bash's type flags on cells. Hopefully we don't have to implement
|
4 |
# this, but it's good to know the behavior.
|
5 |
#
|
6 |
# OSH follows a Python-ish model of types carried with values/objects, not
|
7 |
# locations.
|
8 |
#
|
9 |
# See https://github.com/oilshell/oil/issues/26
|
10 |
|
11 |
|
12 |
declare s
|
13 |
s='1 '
|
14 |
s+=' 2 ' # string append
|
15 |
|
16 |
declare -i i
|
17 |
i='1 '
|
18 |
i+=' 2 ' # arith add
|
19 |
|
20 |
declare -i j
|
21 |
j=x # treated like zero
|
22 |
j+=' 2 ' # arith add
|
23 |
|
24 |
echo "[$s]"
|
25 |
echo [$i]
|
26 |
echo [$j]
|
27 |
## STDOUT:
|
28 |
[1 2 ]
|
29 |
[3]
|
30 |
[2]
|
31 |
## END
|
32 |
## N-I osh STDOUT:
|
33 |
[1 2 ]
|
34 |
[1 2 ]
|
35 |
[x 2 ]
|
36 |
## END
|
37 |
|
38 |
|
39 |
|
40 |
# example
|
41 |
# https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L379
|
42 |
|
43 |
declare -i s
|
44 |
s='1 + 2'
|
45 |
echo s=$s
|
46 |
|
47 |
declare -a array=(1 2 3)
|
48 |
declare -i item
|
49 |
item='array[1+1]'
|
50 |
echo item=$item
|
51 |
|
52 |
## STDOUT:
|
53 |
s=3
|
54 |
item=3
|
55 |
## END
|
56 |
## N-I osh STDOUT:
|
57 |
s=1 + 2
|
58 |
item=array[1+1]
|
59 |
## END
|
60 |
|
61 |
|
62 |
declare s
|
63 |
(( s='1 '))
|
64 |
(( s+=' 2 ')) # arith add
|
65 |
declare -i i
|
66 |
(( i='1 ' ))
|
67 |
(( i+=' 2 ' ))
|
68 |
declare -i j
|
69 |
(( j='x ' )) # treated like zero
|
70 |
(( j+=' 2 ' ))
|
71 |
echo "$s|$i|$j"
|
72 |
## STDOUT:
|
73 |
3|3|2
|
74 |
## END
|
75 |
|
76 |
|
77 |
# dynamic parsing of first argument.
|
78 |
declare +a 'xyz1=1'
|
79 |
declare +a 'xyz2=(2 3)'
|
80 |
declare -a 'xyz3=4'
|
81 |
declare -a 'xyz4=(5 6)'
|
82 |
argv.py "${xyz1}" "${xyz2}" "${xyz3[@]}" "${xyz4[@]}"
|
83 |
## STDOUT:
|
84 |
['1', '(2 3)', '4', '5', '6']
|
85 |
## END
|
86 |
## N-I osh STDOUT:
|
87 |
['', '']
|
88 |
## END
|
89 |
|
90 |
|
91 |
|
92 |
# Hm I don't understand why the array only has one element. I guess because
|
93 |
# index 0 is used twice?
|
94 |
declare -a 'array=([a]=b [c]=d)'
|
95 |
declare -A 'assoc=([a]=b [c]=d)'
|
96 |
argv.py "${#array[@]}" "${!array[@]}" "${array[@]}"
|
97 |
argv.py "${#assoc[@]}" "${!assoc[@]}" "${assoc[@]}"
|
98 |
## STDOUT:
|
99 |
['1', '0', 'd']
|
100 |
['2', 'a', 'c', 'b', 'd']
|
101 |
## END
|
102 |
## N-I osh STDOUT:
|
103 |
['0']
|
104 |
['0']
|
105 |
## END
|