SED-Written command collection

1. Replace a line of strings.

<title name= -><param name="Root", value="haha"/><param name="Root", value="haha"/><title name= -><param name="Root", value="haha"/><param name="Root", value="haha"/>

Replace the contents of line 5th with "<para name =" Root ", value=" Magnum "/>"

The shell script is as follows:

#!/bin/Bashpath=$1Head='<param name= "root" value= "'Tail='"/>'Rospath="$head $path$tail"Echo"Ros New Path: $rosPath"sed-inch "5s:.*: $rosPath: G"Demo_offline.launch

SED-Written command collection