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Bumping up posts or double posting is not permitted in these forums.

Please read the rules (https://www.unix.com/misc.php?do=cfrules), which you agreed to when you registered, if you have not...

OK, if this is your input file then simply match urls. Replace existing with:
while read line
do
[[ "$line" =~ server1\.ux\.com ]] && url_s1=${line##*: }
[[ "$line" =~...

Make sure you have each line starting with an asterisk * and not any other character.

Also put an asterisk after character class [[:blank:]] to check zero or more occurrence:
[[ "$line" =~...

I have answered your other thread (https://www.unix.com/shell-programming-scripting/216761-script-reading-file-send-firefox.html#post302773575)

It works for me!

It should be something to do with your input file. Can you post few lines from your original input file in code tags ?

Try:
[[ "$line" =~ ^\*[[:blank:]]server1.com ]] && url_s1=${line##*: }
[[ "$line" =~ ^\*[[:blank:]]server2.com ]] && url_s1=${line##*: }
[[ "$line" =~ ^\*[[:blank:]]server3.com ]] &&...

Please always wrap code fragments or data samples in code tags

Here is modified code that redirects output to file: output.txt
#!/bin/bash

while read line
do
[[ "$line" =~...

To give you an idea, here is a script that

1. Read from file: 1.txt

2. Check if the entry corresponds to server1.com

3. Print each URLs:
#!/bin/bash

while read line
do
[[...

Use an infinite while loop with another menu option to quit:
#!/bin/bash

while :
do
echo " welcome to the menu bar"

echo " [a] restart server1.com"
echo " [b]...

The mount command mounts filesystems, not libraries. Is this "library" a filesystem, or just a file?

That can only be done using NFS... Your workstation has to have the NFS server (service that is...) running and has to export your directory allowing only your Linux server to mount... Be aware that...

Try calling the script itself with nohup:
nohup ./test.sh &
Please use code tags (https://www.unix.com/how-post-unix-linux-forums/167686-forum-video-tutorial-how-use-code-tags.html)

Use disown if you forgot to start job with nohup. The -a option means all jobs that you have started.

Note disown is not available in all shells.

See man nohup

I just put your script in order ( for me to read...):

#! /bin/bash
while true
do
proc_num=$(ps a | grep yourscript | wc -l)
echo "loop1: "proc_num=$proc_num
sleep 2
while ((...

"bash" is a shell, not a script. If you search for "bash" in the process list you will find your scripts (because the use "bash" as their environment), but also interactive shells, login shells,...

Im very busy at the moment so have not much time to go in details...
The output of your ps might have helped us you know... (the complete!)
Look at the line 3 of your script...

You're one loop short ;)

#! /bin/bash
while true ; do
proc_num=$(ps -a | grep bash | wc -l)
while(( "$proc_num" < "5")) ; do
bash #add a single process
done
sleep 10; #let...