Eval command help

Shell Programming and Scripting
1

I have file called myfile which has the text "myserver" in it. I need to have a command to ping "myserver". How would I do that?

I tried

when I type

at the terminal I get the output as

. How do I do something like a

?

thanks,
Nick

2

One way (no eval needed):

cat myfile | while read server_name
do
       ping "${server_name}"
done
3

If myserver is the only word in myfile

 
ping $(cat myfile)
4 
myvar=$(< myfile)
ping $myvar

or:

ping "$(< myfile)"
5

Actually, myserver is not the only word. It is in a line called

So I used

ping $(cat myfile | grep "Server-Name" | cut -d'=' -f2)

thanks guys!!!

6 
myvar=$(< myfile)
ping ${myvar#*=}