When a buffer is modified by a BufRead autocommand or by a filetype
plugin, 'modified' is not set.
To show this, create a simple file (testfile) containing these
lines:
abc
def
ghi
>From a shell prompt, execute this command:
vim -u NONE --cmd 'au BufRead * %s/e//' -c 'set laststatus=2' testfile
The buffer now contains
abc
df
ghi
but 'modified' is not set.
This also happens in a more complex scenario where the contents of a
file are modified by a filetype plugin in ~/.vim/ftplugin.
This happens using Vim 7.3.301 in a GNOME Terminal on a system
running Fedora 11. It also happens using Vim 7.3.189 on the same
system.
$ vim --version
VIM - Vi IMproved 7.3 (2010 Aug 15, compiled Sep 7 2011 12:46:37)
Included patches: 1-301
Compiled by me
Normal version with GTK2 GUI. Features included (+) or not (-):
-arabic +autocmd +balloon_eval +browse +builtin_terms +byte_offset +cindent
+clientserver +clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments
-conceal +cryptv +cscope +cursorbind +cursorshape +dialog_con_gui +diff
+digraphs +dnd -ebcdic -emacs_tags +eval +ex_extra +extra_search -farsi
+file_in_path +find_in_path +float +folding -footer +fork() +gettext
-hangul_input +iconv +insert_expand +jumplist -keymap -langmap +libcall
+linebreak +lispindent +listcmds +localmap -lua +menu +mksession +modify_fname
+mouse +mouseshape -mouse_dec +mouse_gpm -mouse_jsbterm -mouse_netterm
-mouse_sysmouse +mouse_xterm +multi_byte +multi_lang -mzscheme +netbeans_intg
+path_extra -perl +persistent_undo +postscript +printer -profile -python
-python3 +quickfix +reltime -rightleft -ruby +scrollbind +signs +smartindent
-sniff +startuptime +statusline -sun_workshop +syntax +tag_binary
+tag_old_static -tag_any_white -tcl +terminfo +termresponse +textobjects +title
+toolbar +user_commands +vertsplit +virtualedit +visual +visualextra +viminfo
+vreplace +wildignore +wildmenu +windows +writebackup +X11 -xfontset +xim
+xsmp_interact +xterm_clipboard -xterm_save
system vimrc file: "$VIM/vimrc"
user vimrc file: "$HOME/.vimrc"
user exrc file: "$HOME/.exrc"
system gvimrc file: "$VIM/gvimrc"
user gvimrc file: "$HOME/.gvimrc"
system menu file: "$VIMRUNTIME/menu.vim"
fall-back for $VIM: "/home/garyjohn/src/vim-hg-new/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK
-I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0
-I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/pixman-1 -I/usr/include/freetype2
-I/usr/include/libpng12 -g -O2 -D_FORTIFY_SOURCE=1
Linking: gcc -L/usr/local/lib -Wl,--as-needed -o vim -lgtk-x11-2.0
-lgdk-x11-2.0 -latk-1.0 -lgio-2.0 -lpangoft2-1.0 -lgdk_pixbuf-2.0
-lpangocairo-1.0 -lcairo -lpango-1.0 -lfreetype -lfontconfig -lgobject-2.0
-lgmodule-2.0 -lglib-2.0 -lSM -lICE -lXpm -lXt -lX11 -lXdmcp -lSM -lICE -lm
-ltinfo -lelf -lnsl -lselinux -lacl -lattr -lgpm
Regards,
Gary
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