Unix操作系統常用配置文件（32）

diff

[語法]: diff [-be] 文件1 文件2

[說明]: 本命令比較兩個文本文件，將不同的行列出來

-b 將一串空格或TAB轉換成一個空格或TAB

-e 生成一個編輯角本，作為ex或ed的輸入可將文件1轉換成文件2

[例子]:

diff file1 file2

diff -b file1 file2

diff -e file1 file2 >edscript