https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289908
Bug ID: 289908
Summary: mail(1) "inc" + "save" command creates malformed mbox
file it can't re-open properly
Product: Base System
Version: Unspecified
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
According to the man page for `mail(1)` it should take a message-list (and
according to POSIX an *optional*, see #268402) mbox file. However, when
providing a message-list of more than one message, the resulting mbox file
lacks blank lines before the `^From` separator lines. This prevents `mail(1)`
from seeing each distinct message in the mbox file.
To reproduce with an empty $MAIL spool:
$ rm -f newfolder 2>/dev/null # make sure newfolder doesn't already exist
$ echo "body1" | mail -s "Test1" $USER
$ mail
(see the 1 message listed)
and in another terminal issue
$ echo "body2" | mail -s "Test2" $USER
Now if I do in my initial `mail` session
& inc
it brings in the new message and
& h
properly lists them. Now if I save those two messages in a new folder:
& save 1 2 newfolder
"newfolder" [New file]
when I open that new folder:
& folder newfolder
& h
or opening it in mail:
$ mail -f newfolder
it only shows one message. However, when I display that message, the body of
the second message is now part of the first message. When I open the
`newfolder` file in `vi` or another text editor, there is no blank line before
the `From` line of the second message. Adding one and reopening the folder now
correctly shows two messages.
There seems to be something with the `inc` aspect because if I just send two
messages and save them:
$ rm -f newfolder
$ echo "body1" | mail -s "Test1" $USER
$ echo "body2" | mail -s "Test2" $USER
$ mail
& save 1 2 newfolder
& folder newfolder
it correctly identifies them as two messages when I
& h
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