On Nov 17, 2007, at 2:51 PM, Jean-Nicolas Jolivet wrote:
however..this only works if I have a text file that was saved on a
mac... Is there an easy way to determine which new line character is
used in a textfile (eighther linux, mac or win) and then use this
for parsing afterward?
You'll have to do it heuristically. Probably the easiest method is to
read the first kilobyte or so of a file, and scan for \r. If you find
one, look at the next character and see if it's a \n. If so, it's a
DOS-format (\r\n) file. If not, it's an old-style Mac (\r) text
file. If you don't see a \r in the beginning of the file at all,
assume it's a new-style Mac or Linux/Unix file (\n).
Another way would be to shell out (via NSTask) to the "file" command,
which will tell you the kind of file (eg, "ASCII text, with CRLF line
terminators"). However, that's fairly expensive, so I'd be careful if
you're doing it frequently. Also, you'll have to parse file's output,
and keep up with that if it changes.
--John
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