Thanks Abigail-II.
I got the solution from your pointer. I used the back cote inside the system command, to run cp command which is the shell command, not the perl command.
I have found that there is -exec command which can be used to copy a file or directory and I am using this.
Thanks again.
-Pijush

In reply to Re: Re: How to execute command in child shell from parent shell? by pijush
in thread How to execute command in child shell from parent shell? by pijush

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