Shell Programming and Scripting

#!/bin/bash
#read the file line by line

cd "$1"
cat testping.txt | while read line
do
        # check if there are no blank lines
        if [ ! -z $line ]; then
                hosts=$line|sed 's/:/ /g'
                result=$"nc -z $hosts"
                echo $result >testouput.txt
        fi
done

seattle01.iris2.local:1522
boston01-vip.iris2.local:1521
boston02-vip.iris2.local:1521

hosts=$(echo "$line"|sed 's/:/ /g')

hosts=${line//:/ }

while IFS=: read host port
do
  # add some checks here
  nc -z "$host" "$port"
done < testping.txt > testouput.txt

#!/bin/bash
#read the file line by line

cd "$1"
cat testping.txt | while read line
do
        # check if there are no blank lines
        if [ ! -z $line ]; then
               # hosts=$line|sed 's/:/ /g'
              hosts=$(echo "$line"|sed 's/:/ /g')
                result=$"nc -z $hosts"
                echo $result >testouput.txt
        fi
done

nc -z boston02-vip.iris2.local 1521

#!/bin/bash
#read the file line by line

cd "$1"
cat testping.txt | while read line
do
        # check if there are no blank lines
        if [ ! -z $line ]; then
			    hosts=${line//:/ }
                result=$"nc -z $hosts"	
                echo $result >testouput.txt
        fi
done

#!/bin/bash
#read the file line by line

cd "$1"
cat testping.txt | while read line
do
        # check if there are no blank lines
        if [ ! -z $line ]; then
			    hosts=${line//:/ }
				echo $(nc -z $hosts) > testouput.txt
        fi
done