1 # simple expansion -- no problem, it's quote_string_for_globbing that was flawed
7 # first, match some regular expressions containing ^A, ^G, ^?
8 [[ $'\001' =~ $'\001' ]] ; echo $?
9 [[ $'\001' =~ $'\\\001' ]] ; echo $?
10 [[ $'\001' =~ $'\\[\001]' ]] ; echo $?
12 [[ $'\a' =~ $'\a' ]] ; echo $?
13 [[ $'\a' =~ $'\\\a' ]] ; echo $?
14 [[ $'\a' =~ $'\\[\a]' ]] ; echo $?
16 [[ $'\177' =~ $'\177' ]] ; echo $?
17 [[ $'\177' =~ $'\\\177' ]] ; echo $?
18 [[ $'\177' =~ $'\\[\177]' ]] ; echo $?
20 # Now let's try it with variables expanding to those values
21 for c in $'\001' $'\a' $'\177' ; do
22 for r in "$c" "\\$c" "\\[$c]"; do
24 printf '[[ %q =~ %q ]] -> %d\n' "$c" "$r" "$?";
29 # try again with literals
31 [[ '
\ 1' =~ $'
\ 1' ]] ; echo $?
32 [[ '
\ 1' =~ '\
\ 1' ]] ; echo $?
33 [[ '
\ 1' =~ '\[
\ 1]' ]] ; echo $?
35 [[ '
\a' =~ '
\a' ]] ; echo $?
36 [[ '
\a' =~ '\
\a' ]] ; echo $?
37 [[ '
\a' =~ '\[
\a]' ]] ; echo $?
39 [[ '
\7f' =~ $'
\7f' ]] ; echo $?
40 [[ '
\7f' =~ '\
\7f' ]] ; echo $?
41 [[ '
\7f' =~ '\[
\7f]' ]] ; echo $?
43 # more expansions, but with literal non-special characters
44 [[ x =~ \x ]] ; echo $?
45 [[ x =~ \\x ]] ; echo $?
48 [[ x =~ ${bs}x ]] ; echo $?
50 [[ x =~ $'\\'x ]] ; echo $?
51 [[ x =~ '\'x ]] ; echo $?
54 [[ a-b =~ ${v} ]] ; echo $?
55 [[ a-b =~ a\-b ]]; echo $?
56 [[ a-b =~ a${bs}-b ]]; echo $?
57 [[ a-b =~ a\\-b ]] ; echo $?
58 [[ a-b =~ "a\-b" ]] ; echo $?
64 [[ $c == $c ]] && echo ok 1
65 [[ $c =~ $c ]] && echo ok 2
66 [[ $c =~ \\$c ]] || echo ok 3
67 [[ $c =~ \\"$c" ]] || echo ok 4
69 [[ $c =~ "\\"$c ]] || echo ok 5
70 [[ $c =~ '\'$c ]] || echo ok 6
72 [[ $c =~ "\\""$c" ]] || echo ok 7
73 [[ $c =~ '\'"$c" ]] || echo ok 8