I have a problem writing to text files on OS X, and would like to
determine if it is a defect in Revolution.
If I save a multi-line text file using vi (created pressing the
return key), or if I do the following:
echo "line 1" > mytextfile.txt
echo "line 2" >> mytextfile.txt
then I can get a 'clean' text file (if I type 'more mytextfile.txt',
there are no strange '^M' characters where there should be line
endings).
However, no matter what I put as a line ending using Rev (2.7 or
2.8), I get the strange '^M' characters if I look at the file using
either vi or the 'more' command). I tried using the 'file:' URL
schema, and 'write to file'.
I've tried all the following as line-endings in Rev on OS X, but NONE
gives a clean text file:
return
CRLF
numToChar(10)
numToChar(13)
The fact that they all display as '^M' when the text file is viewed
using OS X command line utilities makes me think there is some weird
character translation going on between Rev and the file system.
I did the same experiment using Rev 2.8 on Windows. When I viewed
the file from a command window, then there were no extraneous '^M'
characters in Windows. Furthermore, when I ftp-ed the files to OS X,
there were no strange ^M characters. (I know that an Ascii FTP
transfer between operating sytems will translate end of line
characters).
If I look at a 'clean' text file on OS X (made e.g. with vi) Rev
tells me (using charToNum) that the line-ending character is ASCII
10. Yet the documentation for Rev says "Different operating systems
use different characters to mark the end of a line. Mac OS and OS X
use a return character (ASCII 13), Unix systems use a linefeed
character (ASCII 10)..."
After spending a couple of hours trying to work out what was going
on, I finally decided to use binfile as the URL file type. Now,
'return', 'CRLF', numToChar(10) all produce a 'clean' file. NumToChar
(13) as a line-ending in a binfile still produces '^M' in the final
file.
Is this a bug? It certainly seems inconsistent to me.
Bernard
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