1	#!/bin/bash
2
3	#### pushd/popd
4	set -o errexit
5	cd /
6	pushd /tmp
7	echo -n pwd=; pwd
8	popd
9	echo -n pwd=; pwd
10	## status: 0
11	## STDOUT:
12	/tmp /
13	pwd=/tmp
14	/
15	pwd=/
16	## END
17	## OK zsh STDOUT:
18	pwd=/tmp
19	pwd=/
20	## END
21	## N-I dash/mksh status: 127
22	## N-I dash/mksh stdout-json: ""
23
24	#### popd usage error
25	pushd / >/dev/null
26	popd zzz
27	echo status=$?
28	## STDOUT:
29	status=2
30	## END
31	## BUG zsh STDOUT:
32	status=0
33	## END
34
35	#### popd returns error on empty directory stack
36	message=$(popd 2>&1)
37	echo $?
38	echo "$message" | grep -o "directory stack"
39	## STDOUT:
40	1
41	directory stack
42	## END
43
44	#### dirs builtin
45	cd /
46	dirs
47	## status: 0
48	## STDOUT:
49	/
50	## END
51
52	#### dirs -c to clear the stack
53	set -o errexit
54	cd /
55	pushd /tmp >/dev/null # zsh pushd doesn't print anything, but bash does
56	echo --
57	dirs
58	dirs -c
59	echo --
60	dirs
61	## status: 0
62	## STDOUT:
63	--
64	/tmp /
65	--
66	/tmp
67	## END
68
69	#### dirs -v to print numbered stack, one entry per line
70	set -o errexit
71	cd /
72	pushd /tmp >/dev/null
73	echo --
74	dirs -v
75	pushd /dev >/dev/null
76	echo --
77	dirs -v
78	## status: 0
79	## STDOUT:
80	--
81	0 /tmp
82	1 /
83	--
84	0 /dev
85	1 /tmp
86	2 /
87	## END
88	#
89	# zsh uses tabs
90	## OK zsh stdout-json: "--\n0\t/tmp\n1\t/\n--\n0\t/dev\n1\t/tmp\n2\t/\n"
91
92	#### dirs -p to print one entry per line
93	set -o errexit
94	cd /
95	pushd /tmp >/dev/null
96	echo --
97	dirs -p
98	pushd /dev >/dev/null
99	echo --
100	dirs -p
101	## STDOUT:
102	--
103	/tmp
104	/
105	--
106	/dev
107	/tmp
108	/
109	## END
110
111	#### dirs -l to print in long format, no tilde prefix
112	# Can't use the OSH test harness for this because
113	# /home/<username> may be included in a path.
114	cd /
115	HOME=/tmp
116	mkdir -p $HOME/oil_test
117	pushd $HOME/oil_test >/dev/null
118	dirs
119	dirs -l
120	## status: 0
121	## STDOUT:
122	~/oil_test /
123	/tmp/oil_test /
124	## END
125
126	#### dirs to print using tilde-prefix format
127	cd /
128	HOME=/tmp
129	mkdir -p $HOME/oil_test
130	pushd $HOME/oil_test >/dev/null
131	dirs
132	## stdout: ~/oil_test /
133	## status: 0
134
135	#### dirs test converting true home directory to tilde
136	cd /
137	HOME=/tmp
138	mkdir -p $HOME/oil_test/$HOME
139	pushd $HOME/oil_test/$HOME >/dev/null
140	dirs
141	## stdout: ~/oil_test/tmp /
142	## status: 0
143
144	#### dirs don't convert to tilde when $HOME is substring
145	cd /
146	mkdir -p /tmp/oil_test
147	mkdir -p /tmp/oil_tests
148	HOME=/tmp/oil_test
149	pushd /tmp/oil_tests
150	dirs
151
152	#### dirs tilde test when $HOME is exactly $PWD
153	cd /
154	mkdir -p /tmp/oil_test
155	HOME=/tmp/oil_test
156	pushd $HOME
157	dirs
158	## status: 0
159	# zsh doesn't duplicate the stack I guess.
160	## OK zsh stdout-json: "~ /\n"
161	## STDOUT:
162	~ /
163	~ /
164	## END
165
166	#### dirs test of path alias `..`
167	cd /tmp
168	pushd .. >/dev/null
169	dirs
170	## stdout: / /tmp
171	## status: 0
172
173	#### dirs test of path alias `.`
174	cd /tmp
175	pushd . >/dev/null
176	dirs
177	## stdout: /tmp /tmp
178	## status: 0