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--- linux:shellcommands [2017/04/18 09:38] – [rsync] admin
+++ linux:shellcommands [2018/05/05 12:42] – [sed] admin
@@ Line 362: / Line 362: @@
   * new = the text to replace it with
   *g = global (i.e. replace all and not just the first occurrence)
-Below are some basic examples:
+Below are some basic examples for searching and replaccing string<code bash>
-  * Example search and replace string<code bash>
 cat intro
+</code>output:<code>
 The Unix operating system. Unix system
+</code>
-sed 's/Unix/UNIX/g' intro  =>  Substitute Unix with UNIX
+  * <code bash>sed 's/Unix/UNIX/g' intro </code>  =>  Substitute Unix with UNIX
 The UNIX operating system. Unix system
+  * <code bash>sed --in-place 's/Unix/UNIX/g' intro </code> =>  Substitute Unix with UNIX in file intro
-sed --in-place 's/Unix/UNIX/g' intro  =>  Substitute Unix with UNIX in file intro
+  * <code bash>sed 's/Unix/UNIX/g' intro </code>  =>  Substitute Unix with UNIX
-sed 's/Unix/UNIX/g' intro   =>  Substitute Unix with UNIX
-</code>
   * example with -n option<code bash>
-sed -n '1,2p' intro
+sed -n '1,2p' intro</code>=> Just print the first 2 lines
-=> Just print the first 2 lines
+  * <code bash>sed -n '/UNIX/p' intro</code>=> Just print lines containing UNIX
-sed -n '/UNIX/p' intro
-=> Just print lines containing UNIX
   * example Deleting Lines<code bash>
 sed '1,2d' intro
-=> Delete lines 1 and 2
+</code>=> Delete lines 1 and 2
+  * <code bash>sed '/UNIX/d' intro</code>=> Delete all lines containing UNIX
-sed '/UNIX/d' intro
-=> Delete all lines containing UNIX
-</code>
 ==== awk ====
   # cat server