1 |
#### Lower Case with , and ,, |
2 |
x='ABC DEF' |
3 |
echo ${x,} |
4 |
echo ${x,,} |
5 |
echo empty=${empty,} |
6 |
echo empty=${empty,,} |
7 |
## STDOUT: |
8 |
aBC DEF |
9 |
abc def |
10 |
empty= |
11 |
empty= |
12 |
## END |
13 |
|
14 |
#### Upper Case with ^ and ^^ |
15 |
x='abc def' |
16 |
echo ${x^} |
17 |
echo ${x^^} |
18 |
echo empty=${empty^} |
19 |
echo empty=${empty^^} |
20 |
## STDOUT: |
21 |
Abc def |
22 |
ABC DEF |
23 |
empty= |
24 |
empty= |
25 |
## END |
26 |
|
27 |
#### Lower Case with constant string (VERY WEIRD) |
28 |
x='AAA ABC DEF' |
29 |
echo ${x,A} |
30 |
echo ${x,,A} # replaces every A only? |
31 |
## STDOUT: |
32 |
aAA ABC DEF |
33 |
aaa aBC DEF |
34 |
## END |
35 |
|
36 |
#### Lower Case glob |
37 |
x='ABC DEF' |
38 |
echo ${x,[d-f]} |
39 |
echo ${x,,[d-f]} # This seems buggy, it doesn't include F? |
40 |
## STDOUT: |
41 |
ABC DEF |
42 |
ABC deF |
43 |
## END |
44 |
|
45 |
#### ${x@Q} |
46 |
x="FOO'BAR spam\"eggs" |
47 |
eval "new=${x@Q}" |
48 |
test "$x" = "$new" && echo OK |
49 |
## STDOUT: |
50 |
OK |
51 |
## END |
52 |
|
53 |
#### ${!prefix@} ${!prefix*} yields sorted array of var names |
54 |
ZOO=zoo |
55 |
ZIP=zip |
56 |
ZOOM='one two' |
57 |
Z='three four' |
58 |
|
59 |
z=lower |
60 |
|
61 |
argv.py ${!Z*} |
62 |
argv.py ${!Z@} |
63 |
argv.py "${!Z*}" |
64 |
argv.py "${!Z@}" |
65 |
## STDOUT: |
66 |
['Z', 'ZIP', 'ZOO', 'ZOOM'] |
67 |
['Z', 'ZIP', 'ZOO', 'ZOOM'] |
68 |
['Z ZIP ZOO ZOOM'] |
69 |
['Z', 'ZIP', 'ZOO', 'ZOOM'] |
70 |
## END |
71 |
|