[3320] | 1 | #!/bin/sh
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| 2 | # Copyright 2008 by Denys Vlasenko
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| 3 | # Licensed under GPLv2, see file LICENSE in this source tree.
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| 4 |
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| 5 | . ./testing.sh
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| 6 |
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| 7 | # testing "test name" "commands" "expected result" "file input" "stdin"
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| 8 |
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| 9 | # diff outputs date/time in the header, which should not be analysed
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| 10 | # NB: sed has tab character in s command!
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| 11 | TRIM_TAB="sed 's/ .*//'"
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| 12 |
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| 13 | testing "diff of stdin" \
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| 14 | "diff -u - input | $TRIM_TAB" \
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| 15 | "\
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| 16 | --- -
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| 17 | +++ input
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| 18 | @@ -1 +1,3 @@
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| 19 | +qwe
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| 20 | asd
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| 21 | +zxc
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| 22 | " \
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| 23 | "qwe\nasd\nzxc\n" \
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| 24 | "asd\n"
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| 25 |
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| 26 | testing "diff of stdin, no newline in the file" \
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| 27 | "diff -u - input | $TRIM_TAB" \
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| 28 | "\
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| 29 | --- -
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| 30 | +++ input
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| 31 | @@ -1 +1,3 @@
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| 32 | +qwe
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| 33 | asd
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| 34 | +zxc
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| 35 | \\ No newline at end of file
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| 36 | " \
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| 37 | "qwe\nasd\nzxc" \
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| 38 | "asd\n"
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| 39 |
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| 40 | # we also test that stdin is in fact NOT read
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| 41 | testing "diff of stdin, twice" \
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| 42 | 'diff - -; echo $?; wc -c' \
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| 43 | "0\n5\n" \
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| 44 | "" \
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| 45 | "stdin"
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| 46 |
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| 47 | testing "diff of empty file against nonempty one" \
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| 48 | "diff -u - input | $TRIM_TAB" \
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| 49 | "\
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| 50 | --- -
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| 51 | +++ input
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| 52 | @@ -0,0 +1 @@
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| 53 | +a
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| 54 | " \
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| 55 | "a\n" \
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| 56 | ""
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| 57 |
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| 58 | testing "diff -b treats EOF as whitespace" \
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| 59 | 'diff -ub - input; echo $?' \
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| 60 | "0\n" \
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| 61 | "abc" \
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| 62 | "abc "
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| 63 |
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| 64 | testing "diff -b treats all spaces as equal" \
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| 65 | 'diff -ub - input; echo $?' \
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| 66 | "0\n" \
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| 67 | "a \t c\n" \
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| 68 | "a\t \tc\n"
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| 69 |
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| 70 | testing "diff -B ignores changes whose lines are all blank" \
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| 71 | 'diff -uB - input; echo $?' \
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| 72 | "0\n" \
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| 73 | "a\n" \
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| 74 | "\na\n\n"
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| 75 |
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| 76 | testing "diff -B does not ignore changes whose lines are not all blank" \
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| 77 | "diff -uB - input | $TRIM_TAB" \
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| 78 | "\
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| 79 | --- -
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| 80 | +++ input
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| 81 | @@ -1,3 +1 @@
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| 82 | -
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| 83 | -b
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| 84 | -
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| 85 | +a
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| 86 | " \
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| 87 | "a\n" \
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| 88 | "\nb\n\n"
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| 89 |
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| 90 | testing "diff always takes context from old file" \
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| 91 | "diff -ub - input | $TRIM_TAB" \
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| 92 | "\
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| 93 | --- -
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| 94 | +++ input
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| 95 | @@ -1 +1,3 @@
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| 96 | +abc
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| 97 | a c
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| 98 | +def
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| 99 | " \
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| 100 | "abc\na c\ndef\n" \
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| 101 | "a c\n"
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| 102 |
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| 103 | # testing "test name" "commands" "expected result" "file input" "stdin"
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| 104 |
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| 105 | # clean up
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| 106 | rm -rf diff1 diff2
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| 107 |
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| 108 | mkdir diff1 diff2 diff2/subdir
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| 109 | echo qwe >diff1/-
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| 110 | echo asd >diff2/subdir/-
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| 111 | optional FEATURE_DIFF_DIR
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| 112 | testing "diff diff1 diff2/subdir" \
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| 113 | "diff -ur diff1 diff2/subdir | $TRIM_TAB" \
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| 114 | "\
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| 115 | --- diff1/-
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| 116 | +++ diff2/subdir/-
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| 117 | @@ -1 +1 @@
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| 118 | -qwe
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| 119 | +asd
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| 120 | " \
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| 121 | "" ""
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| 122 | SKIP=
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| 123 |
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| 124 | # using directory structure from prev test...
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| 125 | optional FEATURE_DIFF_DIR
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| 126 | testing "diff dir dir2/file/-" \
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| 127 | "diff -ur diff1 diff2/subdir/- | $TRIM_TAB" \
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| 128 | "\
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| 129 | --- diff1/-
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| 130 | +++ diff2/subdir/-
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| 131 | @@ -1 +1 @@
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| 132 | -qwe
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| 133 | +asd
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| 134 | " \
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| 135 | "" ""
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| 136 | SKIP=
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| 137 |
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| 138 | # using directory structure from prev test...
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| 139 | mkdir diff1/test
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| 140 | mkfifo diff2/subdir/test
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| 141 | optional FEATURE_DIFF_DIR
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| 142 | testing "diff of dir and fifo" \
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| 143 | "diff -ur diff1 diff2/subdir | $TRIM_TAB" \
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| 144 | "\
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| 145 | --- diff1/-
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| 146 | +++ diff2/subdir/-
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| 147 | @@ -1 +1 @@
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| 148 | -qwe
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| 149 | +asd
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| 150 | Only in diff2/subdir: test
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| 151 | " \
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| 152 | "" ""
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| 153 | SKIP=
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| 154 |
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| 155 | # using directory structure from prev test...
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| 156 | rmdir diff1/test
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| 157 | echo >diff1/test
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| 158 | optional FEATURE_DIFF_DIR
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| 159 | testing "diff of file and fifo" \
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| 160 | "diff -ur diff1 diff2/subdir | $TRIM_TAB" \
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| 161 | "\
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| 162 | --- diff1/-
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| 163 | +++ diff2/subdir/-
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| 164 | @@ -1 +1 @@
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| 165 | -qwe
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| 166 | +asd
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| 167 | File diff2/subdir/test is not a regular file or directory and was skipped
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| 168 | " \
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| 169 | "" ""
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| 170 | SKIP=
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| 171 |
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| 172 | # using directory structure from prev test...
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| 173 | mkfifo diff1/test2
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| 174 | optional FEATURE_DIFF_DIR
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| 175 | testing "diff -rN does not read non-regular files" \
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| 176 | "diff -urN diff1 diff2/subdir | $TRIM_TAB" \
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| 177 | "\
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| 178 | --- diff1/-
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| 179 | +++ diff2/subdir/-
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| 180 | @@ -1 +1 @@
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| 181 | -qwe
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| 182 | +asd
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| 183 | File diff2/subdir/test is not a regular file or directory and was skipped
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| 184 | File diff1/test2 is not a regular file or directory and was skipped
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| 185 | " \
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| 186 | "" ""
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| 187 | SKIP=
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| 188 |
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| 189 | # clean up
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| 190 | rm -rf diff1 diff2
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| 191 |
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| 192 | # NOT using directory structure from prev test...
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| 193 | mkdir diff1 diff2
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| 194 | echo qwe >diff1/-
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| 195 | echo rty >diff2/-
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| 196 | optional FEATURE_DIFF_DIR
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| 197 | testing "diff diff1 diff2/" \
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| 198 | "diff -ur diff1 diff2/ | $TRIM_TAB; diff -ur .///diff1 diff2//// | $TRIM_TAB" \
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| 199 | "\
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| 200 | --- diff1/-
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| 201 | +++ diff2/-
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| 202 | @@ -1 +1 @@
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| 203 | -qwe
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| 204 | +rty
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| 205 | --- .///diff1/-
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| 206 | +++ diff2////-
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| 207 | @@ -1 +1 @@
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| 208 | -qwe
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| 209 | +rty
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| 210 | " \
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| 211 | "" ""
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| 212 | SKIP=
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| 213 |
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| 214 | # clean up
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| 215 | rm -rf diff1 diff2
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| 216 |
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| 217 | exit $FAILCOUNT
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