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用 diff 的話，會把不同的行的"內容"丟出來，要不然就是只告訴我

"兩個檔案不一樣"

但是我想要取得的是，兩個檔案中不同的"行"的數量...@@

請問有現有的指令可以用嗎??

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diff 的 see also 列了幾個 像是 diff3 , comm 可是好像都不是我要的...
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pipe 去給 wc -l 的話，要是diff輸出一行的內容超過螢幕被斷成兩行三行的話，
wc -l 也就回給我兩行三行...好像不太有用 ....
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感謝您的指教 m(_._)m

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             All we know is that we don't know
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               Why we're all part of the masterplan _

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