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Utiliser diff et patch sous Linux

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Code TEXT :
28 [13:59:09] adrien@marrowgar: ~  $ cd tmp/patch/
29 [13:59:14] adrien@marrowgar: ~/tmp/patch  $ cat 1/fic
abc
def
ghi
30 [13:59:18] adrien@marrowgar: ~/tmp/patch  $ cat 1/fic.orig
cat: 1/fic.orig: Aucun fichier ou dossier de ce type
31 [13:59:23] adrien@marrowgar: ~/tmp/patch  $ cat 1/fic.ori 
abc
def
32 [13:59:25] adrien@marrowgar: ~/tmp/patch  $ cat 2/fic
abc
def
33 [13:59:29] adrien@marrowgar: ~/tmp/patch  $ diff -u 1/fic
fic      fic.ori
33 [13:59:29] adrien@marrowgar: ~/tmp/patch  $ diff -u 1/fic.ori 1/fic
--- 1/fic.ori   2013-03-17 13:57:20.296386279 +0100
+++ 1/fic       2013-03-17 13:57:27.792385772 +0100
@@ -1,2 +1,3 @@
 abc
 def
+ghi
34 [13:59:46] adrien@marrowgar: ~/tmp/patch  $ diff -u 1/fic.ori 1/fic > patch-fic.patch
 
 
 
 
 
 
35 [13:59:59] adrien@marrowgar: ~/tmp/patch  $ cat 2/fic
abc
def
36 [14:00:08] adrien@marrowgar: ~/tmp/patch  $ cp -R 1 1-ori
37 [14:00:45] adrien@marrowgar: ~/tmp/patch  $ ls
1/  1-ori/  2/  patch-fic.patch
38 [14:00:46] adrien@marrowgar: ~/tmp/patch  $ rm -rf 1
39 [14:00:57] adrien@marrowgar: ~/tmp/patch  $ ls
1-ori/  2/  patch-fic.patch
40 [14:00:59] adrien@marrowgar: ~/tmp/patch  $ patch -p0 < patch-fic.patch
can't find file to patch at input line 3
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|--- 1/fic.ori  2013-03-17 13:57:20.296386279 +0100
|+++ 1/fic      2013-03-17 13:57:27.792385772 +0100
--------------------------
File to patch: ^C
41 [14:01:16] adrien@marrowgar: ~/tmp/patch  $ patch -p1 2/ < patch-fic.patch
patch: **** File 2/ is not a regular file -- can't patch
42 [14:01:24] adrien@marrowgar: ~/tmp/patch  $ patch -p1 2 < patch-fic.patch
patch: **** File 2 is not a regular file -- can't patch
43 [14:01:31] adrien@marrowgar: ~/tmp/patch  $ patch -p1 < patch-fic.patch
can't find file to patch at input line 3
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|--- 1/fic.ori  2013-03-17 13:57:20.296386279 +0100
|+++ 1/fic      2013-03-17 13:57:27.792385772 +0100
--------------------------
File to patch: ^C
44 [14:01:40] adrien@marrowgar: ~/tmp/patch  $
 
 
 
 
2 [14:01:44] adrien@marrowgar: ~/tmp/patch  $
2 [14:02:23] adrien@marrowgar: ~/tmp/patch  $ patch -p0 2/fic < patch-fic.patch
patching file 2/fic
3 [14:02:32] adrien@marrowgar: ~/tmp/patch  $ cat 2/fic
abc
def
ghi
4 [14:02:39] adrien@marrowgar: ~/tmp/patch  $ nano 2/fic
5 [14:03:02] adrien@marrowgar: ~/tmp/patch  $ cat 2/fic
abc
def
6 [14:03:04] adrien@marrowgar: ~/tmp/patch  $ mv 2 1
7 [14:03:14] adrien@marrowgar: ~/tmp/patch  $ cat 1/fic
abc
def
8 [14:03:18] adrien@marrowgar: ~/tmp/patch  $ cat patch-fic.patch
--- 1/fic.ori   2013-03-17 13:57:20.296386279 +0100
+++ 1/fic       2013-03-17 13:57:27.792385772 +0100
@@ -1,2 +1,3 @@
 abc
 def
+ghi
9 [14:03:20] adrien@marrowgar: ~/tmp/patch  $ patch -p0 < patch-fic.patch
patching file 1/fic
10 [14:03:26] adrien@marrowgar: ~/tmp/patch  $
 
 
 
 
 
 
10 [14:07:27] adrien@marrowgar: ~/tmp/patch  $ cat 1/fic
cat: 1/fic: Aucun fichier ou dossier de ce type
11 [14:07:34] adrien@marrowgar: ~/tmp/patch  $ cat 2/fic
abc
def
12 [14:07:38] adrien@marrowgar: ~/tmp/patch  $ cat patch-fic.patch
--- 1/fic.ori   2013-03-17 13:57:20.296386279 +0100
+++ 1/fic       2013-03-17 13:57:27.792385772 +0100
@@ -1,2 +1,3 @@
 abc
 def
+ghi
13 [14:07:41] adrien@marrowgar: ~/tmp/patch  $ patch -p0 < patch-fic.patch
can't find file to patch at input line 3
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|--- 1/fic.ori  2013-03-17 13:57:20.296386279 +0100
|+++ 1/fic      2013-03-17 13:57:27.792385772 +0100
--------------------------
File to patch: ^C
14 [14:07:50] adrien@marrowgar: ~/tmp/patch  $ patch -p1 < patch-fic.patch
can't find file to patch at input line 3
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|--- 1/fic.ori  2013-03-17 13:57:20.296386279 +0100
|+++ 1/fic      2013-03-17 13:57:27.792385772 +0100
--------------------------
File to patch: ^C
15 [14:07:55] adrien@marrowgar: ~/tmp/patch  $ cp patch-fic.patch 2/patch-fic.patch
16 [14:08:08] adrien@marrowgar: ~/tmp/patch  $ cd 2/
17 [14:08:10] adrien@marrowgar: ~/tmp/patch/2  $ patcp -p0 < patch-fic.patch
bash: patcp : commande introuvable
18 [14:08:17] adrien@marrowgar: ~/tmp/patch/2  $ patch -p0 < patch-fic.patch
can't find file to patch at input line 3
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|--- 1/fic.ori  2013-03-17 13:57:20.296386279 +0100
|+++ 1/fic      2013-03-17 13:57:27.792385772 +0100
--------------------------
File to patch: ^C
19 [14:08:23] adrien@marrowgar: ~/tmp/patch/2  $ patch -p1 < patch-fic.patch
patching file fic
20 [14:08:26] adrien@marrowgar: ~/tmp/patch/2  $