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+To: vim_dev@googlegroups.com
+Subject: Patch 7.4.503
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.4.503
+Problem: Cannot append a list of lines to a file.
+Solution: Add the append option to writefile(). (Yasuhiro Matsumoto)
+Files: runtime/doc/eval.txt, src/Makefile, src/eval.c,
+ src/testdir/test_writefile.in, src/testdir/test_writefile.ok
+
+
+*** ../vim-7.4.502/runtime/doc/eval.txt 2014-09-09 16:13:05.040531695 +0200
+--- runtime/doc/eval.txt 2014-11-05 17:57:01.592454006 +0100
+***************
+*** 2040,2046 ****
+ winrestview( {dict}) none restore view of current window
+ winsaveview() Dict save view of current window
+ winwidth( {nr}) Number width of window {nr}
+! writefile( {list}, {fname} [, {binary}])
+ Number write list of lines to file {fname}
+ xor( {expr}, {expr}) Number bitwise XOR
+
+--- 2041,2047 ----
+ winrestview( {dict}) none restore view of current window
+ winsaveview() Dict save view of current window
+ winwidth( {nr}) Number width of window {nr}
+! writefile( {list}, {fname} [, {flags}])
+ Number write list of lines to file {fname}
+ xor( {expr}, {expr}) Number bitwise XOR
+
+***************
+*** 6532,6545 ****
+ :endif
+ <
+ *writefile()*
+! writefile({list}, {fname} [, {binary}])
+ Write |List| {list} to file {fname}. Each list item is
+ separated with a NL. Each list item must be a String or
+ Number.
+! When {binary} is equal to "b" binary mode is used: There will
+ not be a NL after the last list item. An empty item at the
+ end does cause the last line in the file to end in a NL.
+! All NL characters are replaced with a NUL character.
+ Inserting CR characters needs to be done before passing {list}
+ to writefile().
+ An existing file is overwritten, if possible.
+--- 6555,6574 ----
+ :endif
+ <
+ *writefile()*
+! writefile({list}, {fname} [, {flags}])
+ Write |List| {list} to file {fname}. Each list item is
+ separated with a NL. Each list item must be a String or
+ Number.
+! When {flags} contains "b" then binary mode is used: There will
+ not be a NL after the last list item. An empty item at the
+ end does cause the last line in the file to end in a NL.
+!
+! When {flags} contains "a" then append mode is used, lines are
+! append to the file: >
+! :call writefile(["foo"], "event.log", "a")
+! :call writefile(["bar"], "event.log", "a")
+! >
+! < All NL characters are replaced with a NUL character.
+ Inserting CR characters needs to be done before passing {list}
+ to writefile().
+ An existing file is overwritten, if possible.
+*** ../vim-7.4.502/src/Makefile 2014-11-05 14:26:30.760758363 +0100
+--- src/Makefile 2014-11-05 17:54:36.864457494 +0100
+***************
+*** 1899,1906 ****
+--- 1899,1910 ----
+ test_insertcount \
+ test_listlbr \
+ test_listlbr_utf8 \
++ test_mapping \
+ test_options \
+ test_qf_title \
++ test_signs \
++ test_utf8 \
++ test_writefile \
+ test10 test11 test12 test13 test14 test15 test16 test17 test18 test19 \
+ test20 test21 test22 test23 test24 test25 test26 test27 test28 test29 \
+ test30 test31 test32 test33 test34 test35 test36 test37 test38 test39 \
+*** ../vim-7.4.502/src/eval.c 2014-11-05 16:03:40.588617886 +0100
+--- src/eval.c 2014-11-05 17:59:15.388450782 +0100
+***************
+*** 19689,19694 ****
+--- 19689,19695 ----
+ typval_T *rettv;
+ {
+ int binary = FALSE;
++ int append = FALSE;
+ char_u *fname;
+ FILE *fd;
+ int ret = 0;
+***************
+*** 19704,19717 ****
+ if (argvars[0].vval.v_list == NULL)
+ return;
+
+! if (argvars[2].v_type != VAR_UNKNOWN
+! && STRCMP(get_tv_string(&argvars[2]), "b") == 0)
+! binary = TRUE;
+
+ /* Always open the file in binary mode, library functions have a mind of
+ * their own about CR-LF conversion. */
+ fname = get_tv_string(&argvars[1]);
+! if (*fname == NUL || (fd = mch_fopen((char *)fname, WRITEBIN)) == NULL)
+ {
+ EMSG2(_(e_notcreate), *fname == NUL ? (char_u *)_("<empty>") : fname);
+ ret = -1;
+--- 19705,19723 ----
+ if (argvars[0].vval.v_list == NULL)
+ return;
+
+! if (argvars[2].v_type != VAR_UNKNOWN)
+! {
+! if (vim_strchr(get_tv_string(&argvars[2]), 'b') != NULL)
+! binary = TRUE;
+! if (vim_strchr(get_tv_string(&argvars[2]), 'a') != NULL)
+! append = TRUE;
+! }
+
+ /* Always open the file in binary mode, library functions have a mind of
+ * their own about CR-LF conversion. */
+ fname = get_tv_string(&argvars[1]);
+! if (*fname == NUL || (fd = mch_fopen((char *)fname,
+! append ? APPENDBIN : WRITEBIN)) == NULL)
+ {
+ EMSG2(_(e_notcreate), *fname == NUL ? (char_u *)_("<empty>") : fname);
+ ret = -1;
+*** ../vim-7.4.502/src/testdir/test_writefile.in 2014-11-05 18:04:54.912442601 +0100
+--- src/testdir/test_writefile.in 2014-11-05 18:01:07.408448083 +0100
+***************
+*** 0 ****
+--- 1,18 ----
++ Tests for writefile()
++
++ STARTTEST
++ :source small.vim
++ :%delete _
++ :let f = tempname()
++ :call writefile(["over","written"], f, "b")
++ :call writefile(["hello","world"], f, "b")
++ :call writefile(["!", "good"], f, "a")
++ :call writefile(["morning"], f, "ab")
++ :call writefile(["", "vimmers"], f, "ab")
++ :bwipeout!
++ :$put =readfile(f)
++ :1 delete _
++ :w! test.out
++ :qa!
++ ENDTEST
++
+*** ../vim-7.4.502/src/testdir/test_writefile.ok 2014-11-05 18:04:54.916442601 +0100
+--- src/testdir/test_writefile.ok 2014-11-05 17:53:19.776459351 +0100
+***************
+*** 0 ****
+--- 1,5 ----
++ hello
++ world!
++ good
++ morning
++ vimmers
+*** ../vim-7.4.502/src/version.c 2014-11-05 17:44:47.676471691 +0100
+--- src/version.c 2014-11-05 17:55:08.508456731 +0100
+***************
+*** 743,744 ****
+--- 743,746 ----
+ { /* Add new patch number below this line */
++ /**/
++ 503,
+ /**/
+
+--
+BLACK KNIGHT: Come on you pansy!
+ [hah] [parry thrust]
+ [ARTHUR chops the BLACK KNIGHT's right arm off]
+ARTHUR: Victory is mine! [kneeling]
+ We thank thee Lord, that in thy merc-
+ [Black Knight kicks Arthur in the head while he is praying]
+ The Quest for the Holy Grail (Monty Python)
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
+/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\ an exciting new programming language -- http://www.Zimbu.org ///
+ \\\ help me help AIDS victims -- http://ICCF-Holland.org ///