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Commit | Line | Data |
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cce855bc JA |
1 | # |
2 | # the test/[ code is tested elsewhere, and the [[...]] just uses the same | |
3 | # code. this tests the special features of [[...]] | |
4 | # | |
5 | TDIR=/usr/homes/chet | |
6 | ||
7 | # this one is straight out of the ksh88 book | |
8 | [[ foo > bar && $PWD -ef . ]] | |
9 | echo returns: $? | |
10 | ||
11 | # [[ x ]] is equivalent to [[ -n x ]] | |
12 | [[ x ]] | |
13 | echo returns: $? | |
14 | ||
15 | # [[ ! x ]] is equivalent to [[ ! -n x ]] | |
16 | [[ ! x ]] | |
17 | echo returns: $? | |
18 | ||
19 | # ! binds tighter than test/[ -- it binds to a term, not an expression | |
20 | [[ ! x || x ]] | |
21 | echo returns: $? | |
22 | ||
28ef6c31 JA |
23 | # parenthesized terms didn't work right until post-2.04 |
24 | [[ a ]] | |
25 | echo returns: $? | |
26 | ||
27 | [[ (a) ]] | |
28 | echo returns: $? | |
29 | ||
30 | [[ -n a ]] | |
31 | echo returns: $? | |
32 | ||
33 | [[ (-n a) ]] | |
34 | echo returns: $? | |
35 | ||
cce855bc JA |
36 | # unset variables don't need to be quoted |
37 | [[ -n $UNSET ]] | |
38 | echo returns: $? | |
39 | ||
40 | [[ -z $UNSET ]] | |
41 | echo returns: $? | |
42 | ||
43 | # the ==/= and != operators do pattern matching | |
44 | [[ $TDIR == /usr/homes/* ]] | |
45 | echo returns: $? | |
46 | ||
47 | # ...but you can quote any part of the pattern to have it matched as a string | |
48 | [[ $TDIR == /usr/homes/\* ]] | |
49 | echo returns: $? | |
50 | ||
51 | [[ $TDIR == '/usr/homes/*' ]] | |
52 | echo returns: $? | |
53 | ||
54 | # if the first part of && fails, the second is not executed | |
55 | [[ -n $UNSET && $UNSET == foo ]] | |
56 | echo returns: $? | |
57 | ||
58 | [[ -z $UNSET && $UNSET == foo ]] | |
59 | echo returns: $? | |
60 | ||
61 | # if the first part of || succeeds, the second is not executed | |
62 | [[ -z $UNSET || -d $PWD ]] | |
63 | echo returns: $? | |
64 | ||
65 | # if the rhs were executed, it would be an error | |
66 | [[ -n $TDIR || $HOME -ef ${H*} ]] | |
67 | echo returns: $? | |
68 | ||
69 | [[ -n $TDIR && -z $UNSET || $HOME -ef ${H*} ]] | |
70 | echo returns: $? | |
71 | ||
72 | # && has a higher parsing precedence than || | |
73 | [[ -n $TDIR && -n $UNSET || $TDIR -ef . ]] | |
74 | echo returns: $? | |
75 | ||
76 | # ...but expressions in parentheses may be used to override precedence rules | |
77 | [[ -n $TDIR || -n $UNSET && $PWD -ef xyz ]] | |
78 | echo returns: $? | |
79 | ||
80 | [[ ( -n $TDIR || -n $UNSET ) && $PWD -ef xyz ]] | |
81 | echo returns: $? | |
82 | ||
83 | # some arithmetic tests for completeness -- see what happens with missing | |
84 | # operands, bad expressions, makes sure arguments are evaluated as | |
85 | # arithmetic expressions, etc. | |
86 | ||
87 | unset IVAR A | |
88 | [[ 7 -gt $IVAR ]] | |
89 | echo returns: $? | |
90 | ||
91 | [[ $IVAR -gt 7 ]] | |
92 | echo returns: $? | |
93 | ||
94 | IVAR=4 | |
95 | [[ $IVAR -gt 7 ]] | |
96 | echo returns: $? | |
97 | ||
98 | [[ 7 -eq 4+3 ]] | |
99 | echo returns: $? | |
100 | ||
101 | [[ 7 -eq 4+ ]] | |
102 | echo returns: $? | |
103 | ||
104 | IVAR=4+3 | |
105 | [[ $IVAR -eq 7 ]] | |
106 | echo returns: $? | |
107 | ||
108 | A=7 | |
109 | [[ $IVAR -eq A ]] | |
110 | echo returns: $? | |
111 | ||
112 | unset IVAR A | |
113 | ||
114 | # more pattern matching tests | |
115 | ||
116 | [[ $filename == *.c ]] | |
117 | echo returns: $? | |
118 | ||
119 | filename=patmatch.c | |
120 | ||
121 | [[ $filename == *.c ]] | |
122 | echo returns: $? | |
123 | ||
124 | # the extended globbing features may be used when matching patterns | |
125 | shopt -s extglob | |
126 | ||
127 | arg=-7 | |
128 | ||
129 | [[ $arg == -+([0-9]) ]] | |
130 | echo returns: $? | |
131 | ||
132 | arg=-H | |
133 | ||
134 | [[ $arg == -+([0-9]) ]] | |
135 | echo returns: $? | |
136 | ||
137 | arg=+4 | |
138 | [[ $arg == ++([0-9]) ]] | |
139 | echo returns: $? | |
140 | ||
141 | # make sure the null string is never matched if the string is not null | |
142 | STR=file.c | |
143 | PAT= | |
144 | ||
145 | if [[ $STR = $PAT ]]; then | |
146 | echo oops | |
147 | fi | |
148 | ||
149 | # but that if the string is null, a null pattern is matched correctly | |
150 | STR= | |
151 | PAT= | |
152 | ||
153 | if [[ $STR = $PAT ]]; then | |
154 | echo ok | |
155 | fi | |
d3a24ed2 | 156 | |
d3ad40de CR |
157 | # test the regular expression conditional operator |
158 | [[ jbig2dec-0.9-i586-001.tgz =~ ([^-]+)-([^-]+)-([^-]+)-0*([1-9][0-9]*)\.tgz ]] | |
159 | echo ${BASH_REMATCH[1]} | |
160 | ||
8943768b CR |
161 | # this shouldn't echo anything |
162 | [[ jbig2dec-0.9-i586-001.tgz =~ \([^-]+\)-\([^-]+\)-\([^-]+\)-0*\([1-9][0-9]*\)\.tgz ]] | |
163 | echo ${BASH_REMATCH[1]} | |
164 | ||
d3ad40de CR |
165 | LDD_BASH=" linux-gate.so.1 => (0xffffe000) |
166 | libreadline.so.5 => /lib/libreadline.so.5 (0xb7f91000) | |
167 | libhistory.so.5 => /lib/libhistory.so.5 (0xb7f8a000) | |
168 | libncurses.so.5 => /lib/libncurses.so.5 (0xb7f55000) | |
169 | libdl.so.2 => /lib/libdl.so.2 (0xb7f51000) | |
170 | libc.so.6 => /lib/libc.so.6 (0xb7e34000) | |
171 | /lib/ld-linux.so.2 (0xb7fd0000)" | |
172 | ||
173 | [[ "$LDD_BASH" =~ "libc" ]] && echo "found 1" | |
174 | echo ${BASH_REMATCH[@]} | |
175 | ||
176 | [[ "$LDD_BASH" =~ libc ]] && echo "found 2" | |
177 | echo ${BASH_REMATCH[@]} | |
178 | ||
d3a24ed2 CR |
179 | # bug in all versions up to and including bash-2.05b |
180 | if [[ "123abc" == *?(a)bc ]]; then echo ok 42; else echo bad 42; fi | |
181 | if [[ "123abc" == *?(a)bc ]]; then echo ok 43; else echo bad 43; fi | |
d3ad40de | 182 | |
4b82d1cd CR |
183 | ${THIS_SH} ./cond-regexp1.sub |
184 | ||
185 | ${THIS_SH} ./cond-regexp2.sub | |
b6e23235 CR |
186 | |
187 | ${THIS_SH} ./cond-regexp3.sub |