回答編集履歴
1
修正
test
CHANGED
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@@ -2,6 +2,6 @@
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2
2
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3
3
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```
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4
4
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5
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-
grep -o '\ba1[^ ]*
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5
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+
grep -o '\ba1[^ ]*' test.txt
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6
6
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7
7
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```
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