while caller appears to use the Unix-standard forward slash.

Not quite. 

>perl ./a.pl
./a.pl running in Perl v5.14.0
Caller[1] is: ./a.pl

>perl .\a.pl
.\a.pl running in Perl v5.14.0
Caller[1] is: .\a.pl

[download]

I'd appreciate receiving the MSWin32 output from following code.

How can the path used to open the file not be a MSWin32 path? Windows accepts both "\" and "/" as directory separators.

In reply to Re: Perl's caller builtin by ikegami
in thread Perl's caller builtin by geoffleach

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