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Excellent catch!

I was using sh test4.sh

When I used ./test4.sh it ran fine


Could you please help me understand the logic?


Thank you!

Best regards,
Vishal

It's still not working with bash


Best regards,
Vishal

Yes I used below code at the top

#!/bin/sh


Should I try with bash?

#!/bin/bash



Best regards,
Vishal

I have done the corrections -it's still giving error .Please see the update code


#!/bin/sh
#!/bin/prel
#set -x
while getopts ":n:t:" opt; do
case "$opt" in
n)
...

I have posted the entire script before your post.Please review.

Thanks!

Best regards,
Vishal

Below is the complete script


#!/bin/sh
#!/bin/prel
#set -x
while getopts ":n:t:" opt; do
case "$opt" in
n)
host=$OPTARG
;;
t)
...

It's still giving the same error:

#!/bin/sh
#!/bin/prel
#set -x
while getopts ":n:t:" opt; do
case "$opt" in
n)
host=$OPTARG
;;
t)
...

#!/bin/sh
#!/bin/prel
#set -x
while getopts ":n:t:" opt; do
case "$opt" in
n)
host=$OPTARG
;;
t)
targ=$OPTARG
;;
*)
...