Shell script implements code sharing for copying files to multiple servers _linux shell

In a multiple-machine cluster environment, often faced with the modification of the configuration file after copying to multiple servers, the traditional implementation of the SCP is troublesome, so write the following shell script, you can copy the specified files to multiple machines.

Use the method See Help section code.

 #!/bin/bash help () {cat << help--------------Help-----------------------
    -This shell script can copy file to many computers.
    Useage:copytoall filename (full path form/home) targetpathfrom/username ip1 ip2 ip3 ....  example:copytoall/home/casliyang/hadoop-2.2.0/etc/hadoop/core-site.xml/home/casliyang/hadoop-2.2.0/etc/hadoop/
 Casliyang 192.168.0.5 192.168.0.6 192.168.0.7 192.168.0.8------------------------------------------help exit 0 currentdate=$ (date +%y-%m) echo $currentdate "Execute Copytoall" if [$ =]; Then help exit 0 fi file=$1 shift targetpath=$1 shift user=$1 shift tempip=0 if [f $file]; Then while [$#-GT 0]; Do tempip=$1 shift SCP $file ${user}@${tempip}:${targetpath} did else echo "wrong file! "Exit 0 fi