No way! There are error messages intended for developers, and there are error messages intended for users. IO errors are clearly the latter, and line numbers are meaningless to the user. If you need the line number to make this error message meaningful, you have a bad error message.

In reply to Re^3: print() on closed filehandle OUT at B.p line 19, <SH> line 1732. by ikegami
in thread print() on closed filehandle OUT at B.p line 19, <SH> line 1732. by wcj75019

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