Mail Archives: cygwin/1998/10/31/23:15:13
---Larry Hall <lhall AT rfk DOT com> wrote:
>
> At 04:18 PM 10/28/98 +0100, Urban Widmark wrote:
> >(using cygwin32 19.3 & 19.1?)
> >
> >If I create a small example file:
> >
> >$ echo a > xx
> >$ ls -l xx
> >-rw-r--r-- 1 544 everyone 3 Oct 28 15:43 xx
> >
> >it will contain "a\r\n" since I use the default (non-binary mounts)
> >
> >But if I do:
> >$ echo a | wc -c
> > 2
> >
> >I get only 2 chars ... ok, so the translation is done when writing to
> >disk. Then something like this will fail:
> >
> >$ echo a | tr -d '\r' > yy
> >$ ls -l yy
> >-rw-r--r-- 1 544 everyone 3 Oct 28 15:48 yy
> >
> >So how am I supposed to remove the \r from the echo output? Well,
I know
> >non-cygwin ways to remove the \r, the issue is if this is a tr bug, a
> >cygwin conversion bug or ...
>
> Nope. Its not a tr or any other kind of bug. You said it yourself
above.
> Translation is done when writing to (and reading from) the disk.
How can
> tr be expected to remove something that doesn't exist. Remember,
text/
> binary modes have to do with how things are written to files on the
disk,
> not how they are handled in stdin, stdout, pipes, and whatever.
>
`tr' should setmode(outdesc, O_BINARY) to avoid rewriting the \r.
==
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