diff options
Diffstat (limited to 'toys/posix/sed.c')
| -rw-r--r-- | toys/posix/sed.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/toys/posix/sed.c b/toys/posix/sed.c index bab6fb00..175e05d6 100644 --- a/toys/posix/sed.c +++ b/toys/posix/sed.c @@ -11,13 +11,13 @@ * What's the right thing to do for -i when write fails? Skip to next? * test '//q' with no previous regex, also repeat previous regex? -USE_SED(NEWTOY(sed, "(help)(version)e*f*i:;nEr[+Er]", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_LOCALE|TOYFLAG_NOHELP)) +USE_SED(NEWTOY(sed, "(help)(version)e*f*i:;nErz(null-data)[+Er]", TOYFLAG_USR|TOYFLAG_BIN|TOYFLAG_LOCALE|TOYFLAG_NOHELP)) config SED bool "sed" default y help - usage: sed [-inrE] [-e SCRIPT]...|SCRIPT [-f SCRIPT_FILE]... [FILE...] + usage: sed [-inrzE] [-e SCRIPT]...|SCRIPT [-f SCRIPT_FILE]... [FILE...] Stream editor. Apply one or more editing SCRIPTs to each line of input (from FILE or stdin) producing output (by default to stdout). @@ -27,8 +27,9 @@ config SED -i Edit each file in place (-iEXT keeps backup file with extension EXT) -n No default output (use the p command to output matched lines) -r Use extended regular expression syntax - -E Alias for -r + -E POSIX alias for -r -s Treat input files separately (implied by -i) + -z Use \0 rather than \n as the input line separator A SCRIPT is a series of one or more COMMANDs separated by newlines or semicolons. All -e SCRIPTs are concatenated together as if separated @@ -159,11 +160,11 @@ config SED # Comment, ignore rest of this line of SCRIPT - Deviations from posix: allow extended regular expressions with -r, - editing in place with -i, separate with -s, printf escapes in text, line - continuations, semicolons after all commands, 2-address anywhere an - address is allowed, "T" command, multiline continuations for [abc], - \; to end [abc] argument before end of line. + Deviations from POSIX: allow extended regular expressions with -r, + editing in place with -i, separate with -s, NUL-separated input with -z, + printf escapes in text, line continuations, semicolons after all commands, + 2-address anywhere an address is allowed, "T" command, multiline + continuations for [abc], \; to end [abc] argument before end of line. */ #define FOR_sed @@ -181,6 +182,7 @@ GLOBALS( long nextlen, rememberlen, count; int fdout, noeol; unsigned xx; + char delim; ) // Linked list of parsed sed commands. Offset fields indicate location where @@ -639,7 +641,7 @@ static void do_sed_file(int fd, char *name) for (command = (void *)TT.pattern; command; command = command->next) command->hit = 0; } - do_lines(fd, sed_line); + do_lines(fd, TT.delim, sed_line); if (FLAG(i)) { if (TT.i && *TT.i) { char *s = xmprintf("%s%s", name, TT.i); @@ -998,6 +1000,8 @@ void sed_main(void) struct arg_list *al; char **args = toys.optargs; + if (!FLAG(z)) TT.delim = '\n'; + // Lie to autoconf when it asks stupid questions, so configure regexes // that look for "GNU sed version %f" greater than some old buggy number // don't fail us for not matching their narrow expectations. @@ -1022,7 +1026,8 @@ void sed_main(void) for (al = TT.e; al; al = al->next) parse_pattern(&al->arg, strlen(al->arg)); parse_pattern(0, 0); - for (al = TT.f; al; al = al->next) do_lines(xopenro(al->arg), parse_pattern); + for (al = TT.f; al; al = al->next) + do_lines(xopenro(al->arg), TT.delim, parse_pattern); dlist_terminate(TT.pattern); if (TT.nextlen) error_exit("no }"); |