diff options
author | Denys Vlasenko <vda.linux@googlemail.com> | 2010-08-16 18:26:33 +0400 |
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committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-08-16 18:26:33 +0400 |
commit | 0d555fc951fa09b2f7efb4b445a468a4bcc262f1 (patch) | |
tree | 3354dfd48bd61168fb4245338cce00776341e266 /editors/sed.c | |
parent | f2860bf6d332cbbfd2d4d9afadb0148cf061fad2 (diff) |
sed: make N command behave as in GNU sed
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'editors/sed.c')
-rw-r--r-- | editors/sed.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/editors/sed.c b/editors/sed.c index 7d6e7e79f..6cf54afe9 100644 --- a/editors/sed.c +++ b/editors/sed.c @@ -992,6 +992,8 @@ static void process_files(void) } /* actual sedding */ + //bb_error_msg("pattern_space:'%s' next_line:'%s' cmd:%c", + //pattern_space, next_line, sed_cmd->cmd); switch (sed_cmd->cmd) { /* Print line number */ @@ -1118,10 +1120,16 @@ static void process_files(void) { int len; /* If no next line, jump to end of script and exit. */ + /* http://www.gnu.org/software/sed/manual/sed.html: + * "Most versions of sed exit without printing anything + * when the N command is issued on the last line of + * a file. GNU sed prints pattern space before exiting + * unless of course the -n command switch has been + * specified. This choice is by design." + */ if (next_line == NULL) { - free(next_line); - next_line = NULL; - goto discard_line; + //goto discard_line; + goto discard_commands; /* GNU behavior */ } /* Append next_line, read new next_line. */ len = strlen(pattern_space); |