Bashだと、 diff コマンドで標準入力を渡せる。
例:
diff <(cat file1 | sort | uniq) <(cat file2 | sort | uniq)
Fishではどうやるのか調べた結果、 psub というものがあることを知った。
diff (cat file1 | sort | uniq | psub) (cat file2 | sort | uniq | psub)
参考
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Fish Shell で、 diff <(cat file1 | sort | uniq) <(cat file2 | sort | uniq) を実現
Last updated at Posted at 2017-03-27
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