使用 diff 比對差異

shell diff - 2022-08-25

diff -rtbB --strip-trailing-cr file1 file2

How

diff -r <dir1> <dir2>

diff -r -x <pattern> <dir1> <dir2>

diff -rq <dir1> <dir2>

diff -B <file1> <file2>

diff -b <file1> <file2>

diff -t <file1> <file2>

diff --strip-trailing-cr <file1> <file2>

diff -rtbB --strip-trailing-cr -x <pattern> <dir1> <dir2>

alias diff='diff -rtbB --strip-trailing-cr'

diff file1 file2

8c8
<     echo "hi"
---
>     echo "ho"

< 表示 file1 中的行(左邊 <)

> 表示 file2 中的行(右邊 >)

8c8 表示行號與執行操作。

d 代表刪除

a 代表添加

c 代表更改

左邊的數字是 file1 中的行號

右邊的數字是 file2 中的行號