1 | # first try some invalid patterns
|
---|
2 | # do all of these in subshells since it's supposed to error out
|
---|
3 | export var=0123456789
|
---|
4 | "$THIS_SH" -c 'echo ${:}'
|
---|
5 | "$THIS_SH" -c 'echo ${::}'
|
---|
6 | "$THIS_SH" -c 'echo ${:1}'
|
---|
7 | "$THIS_SH" -c 'echo ${::1}'
|
---|
8 |
|
---|
9 | #this also is not valid in bash, but we accept it:
|
---|
10 | "$THIS_SH" -c 'echo ${var:}'
|
---|
11 |
|
---|
12 | # then some funky ones
|
---|
13 | # UNFIXED BUG: this should work: "$THIS_SH" -c 'echo ${?:0}'
|
---|
14 |
|
---|
15 | # now some valid ones
|
---|
16 | set --; echo "1 =|${1}|"
|
---|
17 | set --; echo "1:1 =|${1:1}|"
|
---|
18 | set --; echo "1:1:2=|${1:1:2}|"
|
---|
19 | set --; echo "1::2 =|${1::2}|"
|
---|
20 | set --; echo "1:1: =|${1:1:}|"
|
---|
21 | set --; echo "1:: =|${1::}|"
|
---|
22 |
|
---|
23 | set -- 0123; echo "1 =|${1}|"
|
---|
24 | set -- 0123; echo "1:1 =|${1:1}|"
|
---|
25 | set -- 0123; echo "1:1:2=|${1:1:2}|"
|
---|
26 | set -- 0123; echo "1::2 =|${1::2}|"
|
---|
27 | set -- 0123; echo "1:1: =|${1:1:}|"
|
---|
28 | set -- 0123; echo "1:: =|${1::}|"
|
---|
29 |
|
---|
30 | unset f; echo "f =|$f|"
|
---|
31 | unset f; echo "f:1 =|${f:1}|"
|
---|
32 | unset f; echo "f:1:2=|${f:1:2}|"
|
---|
33 | unset f; echo "f::2 =|${f::2}|"
|
---|
34 | unset f; echo "f:1: =|${f:1:}|"
|
---|
35 | unset f; echo "f:: =|${f::}|"
|
---|
36 |
|
---|
37 | f=; echo "f =|$f|"
|
---|
38 | f=; echo "f:1 =|${f:1}|"
|
---|
39 | f=; echo "f:1:2=|${f:1:2}|"
|
---|
40 | f=; echo "f::2 =|${f::2}|"
|
---|
41 | f=; echo "f:1: =|${f:1:}|"
|
---|
42 | f=; echo "f:: =|${f::}|"
|
---|
43 |
|
---|
44 | f=a; echo "f =|$f|"
|
---|
45 | f=a; echo "f:1 =|${f:1}|"
|
---|
46 | f=a; echo "f:1:2=|${f:1:2}|"
|
---|
47 | f=a; echo "f::2 =|${f::2}|"
|
---|
48 | f=a; echo "f:1: =|${f:1:}|"
|
---|
49 | f=a; echo "f:: =|${f::}|"
|
---|
50 |
|
---|
51 | f=0123456789; echo "f =|$f|"
|
---|
52 | f=0123456789; echo "f:1 =|${f:1}|"
|
---|
53 | f=0123456789; echo "f:1:2=|${f:1:2}|"
|
---|
54 | f=0123456789; echo "f::2 =|${f::2}|"
|
---|
55 | f=0123456789; echo "f:1: =|${f:1:}|"
|
---|
56 | f=0123456789; echo "f:: =|${f::}|"
|
---|
57 |
|
---|
58 | echo "Substrings from special vars"
|
---|
59 | echo '? '"=|$?|"
|
---|
60 | echo '?:1 '"=|${?:1}|"
|
---|
61 | echo '?:1:2'"=|${?:1:2}|"
|
---|
62 | echo '?::2 '"=|${?::2}|"
|
---|
63 | echo '?:1: '"=|${?:1:}|"
|
---|
64 | echo '?:: '"=|${?::}|"
|
---|
65 | set -- 1 2 3 4 5 6 7 8 9 10 11
|
---|
66 | echo '# '"=|$#|"
|
---|
67 | echo '#:1 '"=|${#:1}|"
|
---|
68 | echo '#:1:2'"=|${#:1:2}|"
|
---|
69 | echo '#::2 '"=|${#::2}|"
|
---|
70 | echo '#:1: '"=|${#:1:}|"
|
---|
71 | echo '#:: '"=|${#::}|"
|
---|
72 |
|
---|
73 | echo "Substrings with expressions"
|
---|
74 | f=01234567; echo 'f '"=|$f|"
|
---|
75 | f=01234567; echo 'f:1+1:2+2 '"=|${f:1+1:2+2}|"
|
---|
76 | f=01234567; echo 'f:-1:2+2 '"=|${f:-1:2+2}|"
|
---|
77 | f=01234567; echo 'f:1:f '"=|${f:1:f}|"
|
---|
78 | f=01234567; echo 'f:1:$f '"=|${f:1:$f}|"
|
---|
79 | f=01234567; echo 'f:1:${f} '"=|${f:1:${f}}|"
|
---|
80 | f=01234567; echo 'f:1:${f:3:1} '"=|${f:1:${f:3:1}}|"
|
---|
81 | f=01234567; echo 'f:1:1`echo 1`'"=|${f:1:`echo 1`}|"
|
---|
82 |
|
---|
83 | echo Done
|
---|