Git diff parse using grep shell command

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

How to grep deleted strings starting with a single - sign and string starting with single + sign

Don't, don't attempt to filter lines from the diff in this manner. (Did you notice the lines containing the filenames that start with --- and +++?) — devnull
– devnull, Commented Feb 13, 2014 at 14:17

anubhava · Accepted Answer · 2014-02-13 14:24:56Z

2

How to grep deleted strings starting with a single - sign and string starting with single + sign

You can use this egrep:

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

OR this:

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

OR this:

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

edited Feb 13, 2014 at 14:24

answered Feb 13, 2014 at 14:19

anubhava

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5 Comments

rabin Over a year ago

yeah I missed it... Thanks anubhava

nos Over a year ago

You could do [^+-] as well, instead of [a-zA-Z0-9] to say "only a single + or - sign"

anubhava Over a year ago

@rabin: May I know what was wrong with my answer here that you had to remove acceptance mark?

rabin Over a year ago

I want to give acceptance to both of the answers..... so while giving acceptance to another answer, yours was unchecked, which i noticed just now.....i have accepted it again...thanks for pointing (lesson learnt.. only one answer can be accepted :)

anubhava Over a year ago

Yes that's true only one is accepted (usually first and correct one). You can always upvote the other answer.

Luis Lourenço · Accepted Answer · 2014-02-13 14:29:43Z

1

The following command shows lines with '-' or '+' from the beginning of each line that are not followed by '-' or '+'

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

answered Feb 13, 2014 at 14:29

Luis Lourenço

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1 Comment

rabin Over a year ago

Working nicely...Thanks Luis

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