1 # first try some invalid patterns
2 # do all of these in subshells since it's supposed to error out
3 # (set argv0 to "SHELL" to avoid "/path/to/shell: blah" in error messages)
5 "$THIS_SH" -c 'echo ${:}' SHELL
6 "$THIS_SH" -c 'echo ${::}' SHELL
7 "$THIS_SH" -c 'echo ${:1}' SHELL
8 "$THIS_SH" -c 'echo ${::1}' SHELL
10 #this also is not valid in bash, hush accepts it:
11 "$THIS_SH" -c 'echo ${var:}' SHELL
13 # then some funky ones
14 # UNFIXED BUG: this should work: "$THIS_SH" -c 'echo ${?:0}'
17 set --; echo "1 =|${1}|"
18 set --; echo "1:1 =|${1:1}|"
19 set --; echo "1:1:2=|${1:1:2}|"
20 set --; echo "1::2 =|${1::2}|"
21 set --; echo "1:1: =|${1:1:}|"
22 set --; echo "1:: =|${1::}|"
24 set -- 0123; echo "1 =|${1}|"
25 set -- 0123; echo "1:1 =|${1:1}|"
26 set -- 0123; echo "1:1:2=|${1:1:2}|"
27 set -- 0123; echo "1::2 =|${1::2}|"
28 set -- 0123; echo "1:1: =|${1:1:}|"
29 set -- 0123; echo "1:: =|${1::}|"
31 unset f; echo "f =|$f|"
32 unset f; echo "f:1 =|${f:1}|"
33 unset f; echo "f:1:2=|${f:1:2}|"
34 unset f; echo "f::2 =|${f::2}|"
35 unset f; echo "f:1: =|${f:1:}|"
36 unset f; echo "f:: =|${f::}|"
39 f=; echo "f:1 =|${f:1}|"
40 f=; echo "f:1:2=|${f:1:2}|"
41 f=; echo "f::2 =|${f::2}|"
42 f=; echo "f:1: =|${f:1:}|"
43 f=; echo "f:: =|${f::}|"
46 f=a; echo "f:1 =|${f:1}|"
47 f=a; echo "f:1:2=|${f:1:2}|"
48 f=a; echo "f::2 =|${f::2}|"
49 f=a; echo "f:1: =|${f:1:}|"
50 f=a; echo "f:: =|${f::}|"
52 f=0123456789; echo "f =|$f|"
53 f=0123456789; echo "f:1 =|${f:1}|"
54 f=0123456789; echo "f:1:2=|${f:1:2}|"
55 f=0123456789; echo "f::2 =|${f::2}|"
56 f=0123456789; echo "f:1: =|${f:1:}|"
57 f=0123456789; echo "f:: =|${f::}|"
59 echo "Substrings from special vars"
61 echo '?:1 '"=|${?:1}|"
62 echo '?:1:2'"=|${?:1:2}|"
63 echo '?::2 '"=|${?::2}|"
64 echo '?:1: '"=|${?:1:}|"
65 echo '?:: '"=|${?::}|"
66 set -- 1 2 3 4 5 6 7 8 9 10 11
68 echo '#:1 '"=|${#:1}|"
69 echo '#:1:2'"=|${#:1:2}|"
70 echo '#::2 '"=|${#::2}|"
71 echo '#:1: '"=|${#:1:}|"
72 echo '#:: '"=|${#::}|"
74 echo "Substrings with expressions"
75 f=01234567; echo 'f '"=|$f|"
76 f=01234567; echo 'f:1+1:2+2 '"=|${f:1+1:2+2}|"
77 f=01234567; echo 'f:-1:2+2 '"=|${f:-1:2+2}|"
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:${f} '"=|${f:1:${f}}|"
81 f=01234567; echo 'f:1:${f:3:1} '"=|${f:1:${f:3:1}}|"
82 f=01234567; echo 'f:1:1`echo 1`'"=|${f:1:`echo 1`}|"