You are using chdir from within a thread. I would avoid that, since it is never clear between operating systems, whether the "current directory" is per-thread or global per program.

Also, replace

system "mkdir $branchdir";

[download]

with mkdir:

mkdir $branchdir;

[download]

Also, output the filename and path in your error message. I already suggested that to you but you ignore it. Please explain why you ignore my advice.

In reply to Re^3: Need Help in threading perl by Corion
in thread Need Help in threading perl by sachin raj aryan

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