The bash script using do while loop is executing infinitely

Question

Below is the bash script. Its executing infinitely. I want to execute the script only for 10 servers, which i have stored in servers.txt file. please help

#!/bin/bash
user=$1
pass=$2

if [ "$#" -ne 2 ];then
echo "Please run the script with userid and password as arguments"
fi

cat servers.txt | while read host

do {

 ./sandy_try.sh $user $host $pass


} < /dev/null; done

While you could use input redirection instead of the cat, I can't see how that will result in an endless loop... — ilkkachu
– ilkkachu, Commented Sep 6, 2016 at 9:05
Hi @ilkkachu : I have nine servers in servers.txt and after iterating to the 9 servers again it is starting from the first server. I have made a below comment on@pfnusel answer. please help — sandeep
– sandeep, Commented Sep 6, 2016 at 9:15

pfnuesel · Accepted Answer · 2016-09-06 08:36:37Z

3

I would do something like

while read line; do
    echo do something fancy with "$line"
done < servers.txt

answered Sep 6, 2016 at 8:36

pfnuesel

6,2939 gold badges41 silver badges64 bronze badges

#!/bin/bash user=$1 pass=$2 while read host; do ./sandy_try.sh $user $host $pass done < servers.txt

sandeep
– sandeep

2016-09-06 08:59:03 +00:00
Commented Sep 6, 2016 at 8:59
@sandeep Is it working now or not?

pfnuesel
– pfnuesel

2016-09-06 10:24:29 +00:00
Commented Sep 6, 2016 at 10:24

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