Shell Programming and Scripting

array=( serverA serverB serverC serverD serverE)
FILENAME=`ls $dir | sort`
for index in $array ; do
for file in $FILENAME ; do
  ssh ${array[index]} "cd myDoc/; cp $file $file%.bak   2>/dev/null"
  done
done

exit 0

ssh root@192.168.1.33 "cp test-script /tmp/t.tttt"

#!/bin/bash
array="serverA serverB serverC serverD serverE"
for index in $array ; do
for file in *; do
  # backup files on remote server which happen to have the same names
  # as files on the local server...
  ssh $index "cd myDoc; cp $file $file%.bak   2>/dev/null"

  # use scp to copy local file to remote server...
  scp $file $index:myDoc/$file
  done
done

#!/bin/bash
array="serverA serverB serverC serverD serverE"
for index in $array ; do
  ssh $index 'cd myDoc; for file in *; do cp $file $file%.bak 2>/dev/null; done'
done

for index in $array ; do
ssh $index

array=( serverA serverB serverC serverD serverE)
for index in $array ; do
ssh $index "echo `pwd`"

ssh $index "echo \$(pwd)"

ssh $index "echo \$PWD"

$ cat Test
array=(1 2 3 4 5)

for I in $array; do
  echo $I
done

$ ./Test
1

array="....."

array=(1 2 3 4 5)

for I in ${array[@]}; do
  echo $I
done

array=( serverA serverB serverC serverD serverE )
for index in ${array[@]} ; do
ssh -1 $index "echo `pwd`"