It sometimes makes the code more readable to delimit strings in qq{}: 
my $cmd = qq{ egrep -f "$_proj_file" "$_running_file" > "$_admin_temp_
+file" };
my $result = `$cmd`; # or even qx{$cmd}

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That keeps you from having to escape quotes, etc.

In reply to Re^3: problem in running UNIX command through perl by mpeever
in thread problem in running UNIX command through perl by kprasanna_79

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