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#
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# Test the length oeprator, which dash supports. Dash doesn't support most
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3 |
# other ops.
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5 |
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v=foo
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echo ${#v}
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## stdout: 3
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9 |
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v=$'_\u03bc_'
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echo ${#v}
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## stdout: 3
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## N-I dash stdout: 9
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## N-I mksh stdout: 4
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v=$(cat $REPO_ROOT/spec/testdata/utf8-chars.txt)
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echo ${#v}
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## stdout: 7
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## N-I dash stdout: 13
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## N-I mksh stdout: 13
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for num_bytes in 0 1 2 3 4 5 6 7 8 9 10 11 12 13; do
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s=$(head -c $num_bytes $REPO_ROOT/spec/testdata/utf8-chars.txt)
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echo ${#s}
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done 2> $TMP/err.txt
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grep 'warning:' $TMP/err.txt
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true # exit 0
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## STDOUT:
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0
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1
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2
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37 |
-1
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38 |
3
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39 |
4
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40 |
-1
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41 |
-1
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5
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6
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-1
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-1
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-1
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7
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[ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 2 in string of 3 bytes
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[ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 5 in string of 6 bytes
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[ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 5 in string of 7 bytes
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[ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 9 in string of 10 bytes
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[ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 9 in string of 11 bytes
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[ stdin ]:3: warning: UTF-8 decode: Truncated bytes at offset 9 in string of 12 bytes
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## END
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# zsh behavior actually matches bash!
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## BUG bash/zsh stderr-json: ""
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## BUG bash/zsh STDOUT:
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0
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1
|
60 |
2
|
61 |
3
|
62 |
3
|
63 |
4
|
64 |
5
|
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6
|
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5
|
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6
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7
|
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8
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9
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7
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## END
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## BUG dash/mksh stderr-json: ""
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## N-I dash/mksh STDOUT:
|
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0
|
76 |
1
|
77 |
2
|
78 |
3
|
79 |
4
|
80 |
5
|
81 |
6
|
82 |
7
|
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8
|
84 |
9
|
85 |
10
|
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11
|
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12
|
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13
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## END
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|
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for num_bytes in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14; do
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s=$(head -c $num_bytes $REPO_ROOT/spec/testdata/utf8-chars.txt)$(echo -e "\xFF")
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echo ${#s}
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done 2> $TMP/err.txt
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grep 'warning:' $TMP/err.txt
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true
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## STDOUT:
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-1
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-1
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103 |
-1
|
104 |
-1
|
105 |
-1
|
106 |
-1
|
107 |
-1
|
108 |
-1
|
109 |
-1
|
110 |
-1
|
111 |
-1
|
112 |
-1
|
113 |
-1
|
114 |
-1
|
115 |
-1
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 0 in string of 1 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 1 in string of 2 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 2 in string of 3 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 2 in string of 4 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 4 in string of 5 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 5 in string of 6 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 5 in string of 7 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 5 in string of 8 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 8 in string of 9 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 10 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 11 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 12 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 9 in string of 13 bytes
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 13 in string of 14 bytes
|
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[ stdin ]:3: warning: UTF-8 decode: Bad encoding at offset 13 in string of 14 bytes
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## END
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## BUG bash/zsh stderr-json: ""
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## BUG bash/zsh STDOUT:
|
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1
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2
|
136 |
3
|
137 |
4
|
138 |
4
|
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5
|
140 |
6
|
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7
|
142 |
6
|
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7
|
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8
|
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9
|
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10
|
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8
|
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8
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## N-I dash stderr-json: ""
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## N-I dash STDOUT:
|
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7
|
152 |
8
|
153 |
9
|
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10
|
155 |
11
|
156 |
12
|
157 |
13
|
158 |
14
|
159 |
15
|
160 |
16
|
161 |
17
|
162 |
18
|
163 |
19
|
164 |
20
|
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20
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## END
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## N-I mksh stderr-json: ""
|
168 |
## N-I mksh STDOUT:
|
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1
|
170 |
2
|
171 |
3
|
172 |
4
|
173 |
5
|
174 |
6
|
175 |
7
|
176 |
8
|
177 |
9
|
178 |
10
|
179 |
11
|
180 |
12
|
181 |
13
|
182 |
14
|
183 |
14
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## END
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185 |
|
186 |
|
187 |
echo ${#undef}
|
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## stdout: 0
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189 |
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190 |
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set -o nounset
|
192 |
echo ${#undef}
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## status: 1
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## OK dash status: 2
|
195 |
|
196 |
|
197 |
echo ${#x-default}
|
198 |
|
199 |
x=''
|
200 |
echo ${#x-default}
|
201 |
|
202 |
x='foo'
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203 |
echo ${#x-default}
|
204 |
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205 |
## status: 2
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206 |
## OK bash/mksh status: 1
|
207 |
## stdout-json: ""
|
208 |
## BUG zsh status: 0
|
209 |
## BUG zsh STDOUT:
|
210 |
7
|
211 |
0
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212 |
3
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213 |
## END
|
214 |
## BUG dash status: 0
|
215 |
## BUG dash STDOUT:
|
216 |
0
|
217 |
0
|
218 |
3
|
219 |
## END
|