On Tue, 24 Feb 2015, Karel Zak wrote:
> On Sun, Feb 22, 2015 at 02:41:41PM +0000, Sami Kerola wrote:
> > - if (lseek(fd, *size, SEEK_SET) != (off_t)-1) {
> > + if (st.st_ino != old->st_ino || st.st_dev != old->st_dev
> > + || (old->st_mtime < st.st_mtime && st.st_size <= old->st_size))
> > + old->st_size = 0;
>
> So.. if I remove (truncate) last line from 1GiB file then tailf will
> print all the file *again*? Would be better to reset to st.st_size if the
> size is smaller than old->st_size?
>
> Or maybe if you want to support "echo 1 >| file" use case than add a
> new option (--rewind) or so.
Thanks Karel,
The 1GiB file last line truncation is such strong argument against the
change that I removed it from my remote branch. Maybe the tailf.1 manual
page should mention truncations are not handled always correctly, and
that's as good the command is ever going to be.
--
Sami Kerola
http://www.iki.fi/kerolasa/
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