使用 grep shell 命令进行 Git diff parse

Question

git diff

diff --git a/lids b/lids
index 009d7e8..46447a8 100644
--- a/lids
+++ b/lids
@@ -1,12 +1,12 @@
-FP CA1 CAPS Mapping.pdf
 mtool1428_100squaretool.html
+mtool1428_100squaretool.py
 Lesson Guide 100square 23LessonIdeas.pdf
 Worksheet 100square 0to99.pdf
 Worksheet 100square 1to100.pdf
 Worksheet 100square Blank.pdf
-Worksheet 100square Challenge 1.pdf
-Worksheet 100square Challenge 2.pdf
+Worksheet 100square Challenge 11.pdf
 Worksheet 100square Challenge 3.pdf
+Worksheet 100square Challenge 2.pdf
 Worksheet 100square Challenge 4.pdf
 Worksheet 100square Challenge 5.pdf
 Worksheet 100square Challenge 6.pdf

如何 grep 以单 - 符号开头的已删除字符串和以单 + 号开头的字符串

Answer 1

如何 grep 以单 - 符号开头的已删除字符串和以单 + 号开头的字符串

你可以使用这个egrep：

grep '^ *[-+][a-zA-Z0-9]'

或者这个：

grep '^ *[-+][[:alnum:]]'

或者这个：

grep '^ *[-+][^-+]' 

Answer 2

以下命令

显示每行开头带有"-"或"+"的行，这些行后不跟"-"或"+"

git diff <file> | grep ^[-+][^-+]