3 4
5 6 7 8 9
7 8 9
/usr/chet
/usr/chet
/usr/chet
/a/b/c
/usr/chet
/usr/chet 7
/a/b/c 9 /a/b/c
/a/b/c 9 /a/b/c
/a/b/c /a/b/c
1 2
1 1
unset
toronto airport
AVAR
song by rush
BVAR
toronto airport
AVAR
AVAR
42
/bin:/usr/bin:/usr/local/bin:.
declare -a avar=([0]="/bin:/usr/bin:/usr/local/bin:.")
declare -- z="yy"
42
declare -i ivar="10"
unset
declare -x ivar="42"
hB
braceexpand:hashall:interactive-comments
hBP
braceexpand:hashall:interactive-comments:physical
declare -r SHELLOPTS="braceexpand:hashall:interactive-comments:physical"
abcde
20
30
40
50
|0|10|
10
|0|10|
10
|0|10|
10
|4|
4
|0|11|
after fff3: x=4
|0|12|
|y|
|y|
a:b:c:d
a-b-c-d
a:b:c:d
g: , 
f: , 
FIN: asdf fdsa, asdf fdsa
g: v = , w =
f: v = , w =
FIN: v = two, w = one
./varenv4.sub: line 67: bbb: unique: cannot convert indexed to associative array
./varenv4.sub: line 67: declare: unique: cannot convert indexed to associative array
after bbb: 1
declare -Ar FOOBAR=([foo]="bar" )
declare -Ar FOOBAR=([foo]="bar" )
declare -ar FOOBAR2=([0]="bar")
declare -ar FOOBAR2=([0]="bar")
F OUTSIDE
F OUTSIDE
declare -ar outside=()
declare -ir outside1="1"
tempenv = foo
0
declare -ar myvar=([0]="0")
1
declare -ir myvar="1"
declare -rx tempvar1='foo'
declare -rx tempvar2='qux'
./varenv7.sub: line 57: local: var: readonly variable
inside: outside
outside: outside
local: unset1 unset2
abc
abc
:1
:2
after: ----
global:1
global:2
after: --global--
after: ----
x = :1:2
in o1 (readonly modifying local scalars):
declare -r i1="a b c"
declare -r j1="1 2 3"
after o1:
./varenv9.sub: line 28: declare: i1: not found
./varenv9.sub: line 28: declare: j1: not found
in o2 (readonly setting global scalars):
declare -r i2="a b c"
declare -r j2="1 2 3"
after o2:
declare -r i2="a b c"
declare -r j2="1 2 3"
./varenv9.sub: line 46: unset: i2: cannot unset: readonly variable
./varenv9.sub: line 46: unset: j2: cannot unset: readonly variable
in o3 (readonly modifying locals, converting to arrays):
declare -ar i3=([0]="a" [1]="b" [2]="c")
declare -ar j3=([0]="1" [1]="2" [2]="3")
after o3:
./varenv9.sub: line 61: declare: i3: not found
./varenv9.sub: line 61: declare: j3: not found
in o4 (readonly setting global array variables):
declare -ar i4=([0]="a" [1]="b" [2]="c")
declare -ar j4=([0]="1" [1]="2" [2]="3")
after o4:
declare -ar i4=([0]="a" [1]="b" [2]="c")
declare -ar j4=([0]="1" [1]="2" [2]="3")
./varenv9.sub: line 79: unset: i4: cannot unset: readonly variable
./varenv9.sub: line 79: unset: j4: cannot unset: readonly variable
main: unset
inner: res unset
outer: res: X Y
main: after first call: X
inner: X
outer: res: X Y
main: after second call: X
func: null or unset
after func: x = outside
./varenv11.sub: line 17: local: qux: readonly variable
./varenv11.sub: line 18: qux: readonly variable
./varenv11.sub: line 18: local: qux: readonly variable
declare -A foo=([zero]="zero" [one]="one" )
declare -a bar=([0]="zero" [1]="one")
declare -A foo=([one]="one" [zero]="zero" )
declare -a bar=([0]="zero" [1]="one")
./varenv11.sub: line 42: a: readonly variable
foo=abc
func1: var =

func1: var =

inside: declare -- foo
outside:
declare -x foo="abc"
inside: declare -x var="value"
outside: declare -- var="one"
inside: declare -x var="value"
outside: declare -- var="outside"
inside: declare -x var="inside"
outside: declare -- var="outside"
outside 1.0: var=one
outside 1.1: var=one
inside func: var=two
outside 2.0: var=<unset>
inside func: var=two
outside 2.1: var=global
inside func1: var=value
outside 3.0: var=value
inside func2: var=global
outside 4.0: var=outside
foo: hello world
after foo: var=global
bar: hello world
after bar: var=global
./varenv13.sub: line 16: `var[0]': not a valid identifier
./varenv13.sub: line 16: `var[@]': not a valid identifier
./varenv13.sub: line 14: declare: var: not found
./varenv13.sub: line 25: var[@]: bad array subscript
declare -A var=([0]="X" )
help
./varenv13.sub: line 34: `var[0]': not a valid identifier
1
declare -A var=([0]="X" )
declare -A var=([Y]="Y" )
declare -A var=([Y]="Y" )
declare -A var=()
declare -A var=()
./varenv14.sub: line 31: f: var: cannot convert indexed to associative array
./varenv14.sub: line 31: declare: var: cannot convert indexed to associative array
declare -a var=([0]="12")
declare -a a=([0]="X")
declare -a s=([0]="X")
declare -a a=([0]="X" [1]="Y")
declare -a s=([0]="X" [1]="Y")
declare -a a=([0]="XY")
declare -a s=([0]="XY")
f: 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
f1: after: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
done: 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
f3:1
f3:2
f3:3
f3:4
f3:5
f3:6
f3:7
f3:8
f3:9
f3:10
f3:11
f3:12
f3:13
f3:14
f3:15
f3:16
f3:17
f3:18
f3:19
f3:20
before source: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
varenv15.in: before set: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
varenv15.in: after set: a b c d e f g h i j k l m n o p q r s t u v w x y z
after source 1: a b c d e f g h i j k l m n o p q r s t u v w x y z
varenv15.in: before set: one two three four five six seven eight nine ten
varenv15.in: after set: a b c d e f g h i j k l m n o p q r s t u v w x y z
after source 2: a b c d e f g h i j k l m n o p q r s t u v w x y z
foo=showfoo environment foo=showfoo
foo=showfoo environment foo=showfoo
foo=showfoo environment foo=showfoo
outside: foo=<unset>

posix mode
foo=showfoo environment foo=showfoo
outside 1.0: foo=<unset>
foo=showfoo environment foo=showfoo
foo=showfoo environment foo=showfoo
outside 1.1: foo=<unset>
foo=<unset> environment foo=
outside 2.0: foo=<unset>
foo=foo environment foo=foo
foo=<unset> environment foo=
outside 2.1: foo=<unset>
declare -- var="global"
declare -- var
declare -- var="local"
declare -- var="global"
declare -- var="local"
declare -- var
declare -- var="local"
declare -- var
declare -- var="local"
declare -- var
declare -- var="local"
declare -- var="f1"
declare -- var="local"
declare -a arr=([0]="zero" [1]="one" [2]="two" [3]="three" [4]="four" [5]="five")
declare -a arr=([0]="zero" [1]="one" [2]="two")
declare -a arr=([0]="three" [1]="four" [2]="five")
declare -a arr=([0]="zero" [1]="one" [2]="two")
ddd 0
aaa 1 2 3
bbb 4 5 6
ccc 7 8 9
declare -a x=([0]="one" [1]="two" [2]="three")
./varenv19.sub: line 51: declare: x: not found
declare -x v="x"
declare -x v="t"
declare -- v
declare -x v
ignoreeof      	on
ignoreeof      	off
ignoreeof      	on
10
match 1
a=z
a=b
a=z