diff(1) examples

files used

file a:

file b (“06” is missing):

file c (“06a” inserted):

file d (“06a” replaces “06”):

diff a b

6d5
< 06

diff -u a b

--- a   2014-04-09 11:59:40.347723727 +0200
+++ b   2014-04-09 11:59:51.651574650 +0200
@@ -3,7 +3,6 @@
 03
 04
 05
-06
 07
 08
 09

diff -e a b

6d

diff a c

6d7
> 06a

diff -u a c

--- a   2014-04-09 11:59:40.347723727 +0200
+++ c   2014-04-09 12:08:41.088672486 +0200
@@ -4,6 +4,7 @@
 04
 05
 06
+06a
 07
 08
 09

diff -e a c

6a
06a
.

diff a d

6c6
< 06
---
> 06a

diff -u a d

--- a   2014-04-09 11:59:40.347723727 +0200
+++ d   2014-04-09 12:12:33.541634228 +0200
@@ -3,7 +3,7 @@
 03
 04
 05
-06
+06a
 07
 08
 09

diff -e a d

6c
06a
.

	file name 1
	file name 2
	a TAB char as separator
	a TAB char as separator
	date of file 'a'
	date of file 'b'
	a 'hunk'
	range of the original file ('a') with '3' representing the starting line number and '7' the number of lines the hunk applies to
	range of the original file ('b') with '3' representing the starting line number and '7' the number of lines the hunk applies to
	removed line
	added line