Perhaps fatal warnings?

$ perl -ne 'print$ARGV,": ",$_' file1 file2 file3
file1: Hello
Can't open file2: No such file or directory at -e line 1, <> line 1.
file3: World

$ perl -Mwarnings=FATAL,inplace -ne 'print$ARGV,": ",$_' file1 file2 f
+ile3
file1: Hello
Can't open file2: No such file or directory at -e line 1, <> line 1.
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