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$ ls -la total 36 ... -rw-r--r-- 1 tinyos tinyos 85 Jan 2 10:41 File2.txt -rw-r--r-- 1 tinyos tinyos 74 Jan 2 10:41 File3.txt -rw-r--r-- 1 tinyos tinyos 651 Jan 2 10:42 test.pl
$ perl test.pl *.txt $VAR1 = [ ... 'ID121 ABC14', 'ID122 EFG87' ];