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:.
avar=([0]="/bin:/usr/bin:/usr/local/bin:.")
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 54: bbb: 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 44: 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 15: declare: i1: not found
./varenv9.sub: line 15: 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 33: unset: i2: cannot unset: readonly variable
./varenv9.sub: line 33: 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 48: declare: i3: not found
./varenv9.sub: line 48: 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 66: unset: i4: cannot unset: readonly variable
./varenv9.sub: line 66: 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 4: local: qux: readonly variable
./varenv11.sub: line 5: qux: readonly variable
declare -A foo=([zero]="zero" [one]="one" )
declare -a bar=([0]="zero" [1]="one")
declare -A foo=([zero]="zero" [one]="one" )
declare -a bar=([0]="zero" [1]="one")
./varenv11.sub: line 29: 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 -x var="value"
inside: declare -- var="local"
outside: declare -x var="global"
foo=<unset> environment foo=
foo=foo environment foo=foo
foo=foo environment foo=foo
./varenv13.sub: line 3: `var[0]': not a valid identifier
./varenv13.sub: line 3: `var[@]': not a valid identifier
./varenv13.sub: line 1: declare: var: not found
./varenv13.sub: line 12: var[@]: bad array subscript
declare -A var=([0]="X" )
help
./varenv13.sub: line 21: `var[0]': not a valid identifier
1
./varenv14.sub: line 6: warning: var: cannot inherit value from incompatible type
declare -a var=([0]="X")
./varenv14.sub: line 9: warning: var: cannot inherit value from incompatible type
declare -a var=([0]="Y")
./varenv14.sub: line 10: warning: var: cannot inherit value from incompatible type
declare -a var=([0]="Y")
./varenv14.sub: line 11: warning: var: cannot inherit value from incompatible type
declare -a var=()
./varenv14.sub: line 12: warning: var: cannot inherit value from incompatible type
declare -a var=()
./varenv14.sub: line 18: f: var: cannot convert indexed to associative array
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
a=z
a=b
a=z