🚀 go-pugleaf

I need to process text files one line at a lime. I'd like to use
istream::getline() to do it, but my input files come from many different
sources (Mac, DOS, and UNIX). Each of these uses a different convention
for representing  the end of a line:

Mac  - 0x0D (carriage return or '\r')
UNIX - 0x0A (linefeed or '\n')
DOS  - 0x0D, 0x0A (carriage return/linefeed pair)

The istream::getline() member function allows the delimiter character to
be specified, but I can't specify more than one. Also, the "text" mode on
my compiler translates the DOS newline characters into a single '\n' for
input and expands it again on the way back out.

I'm wondering if anyone has come up with a convenient, efficient way to
read files a line at a time, regardless of the format of the text file? Is
there an easy way to make istream::getline() adaptive to the different
formats? Should I just open the file first, make a quick pass through a
few lines to determine which newline character is being used, and then use
that character as the delimiter?

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