Yar Tikhiy wrote:
May I take a bit more of your time?
I've started playing with the code and noticed another gray area.
Namely a `c' command won't print the text if having 2 addresses
with the 2nd address beyond the actual end of file. For example:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% BEGIN
$ jot 9 |
sed '6,15c\
text
' test
1
2
3
4
5
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% END
Ditto with RE's, if the 2nd RE doesn't match any line:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% BEGIN
$ jot 9 | sed '/6/,/15/c\
text
' test
1
2
3
4
5
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% END
If we've started to delete the pattern space, we should print the
text in place of it because `c' is for `change'. BSD and GNU seds
have this bug, but Solaris sed doesn't have it. Do you think we
should fix it, too?
Thanks!
Yes, it sounds like a bug to me. Note that a couple of weeks ago I
added the regression tests I originally wrote in 1992 to the FreeBSD
regression test suite. Given that you are writing test cases it would
be very nice to follow the format used in
src/tools/regression/usr.bin/sed/regress.t, so that we can add them to
the test suite.
Diomidis
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