Use use strict; use warnings;. You are hiding errors by not using them.

print() on unopened filehandle STRM_ALLDevices at script.pl line 11.
.
print() on unopened filehandle STRM_ALLDevices at script.pl line 11.
..
print() on unopened filehandle STRM_ALLDevices at script.pl line 11.
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You open STRM_AllDevices, but you print to STRM_ALLDevices.