Change --help output to tell the truth: that for of=FILE,

FILE *is* truncated.  Reported by Miles Bader.
Remove incomplete, usage-like comment at top of file.

diff --git a/src/dd.c b/src/dd.c
index 9b680ecc70cbe55bb0e363262ef6a83dd4d893f5..4e36c9734e6bbda843b79eccfb9eacdfb3ffe32e 100644 (file)
--- a/src/dd.c
+++ b/src/dd.c
@@ -17,42 +17,6 @@
 
 /* Written by Paul Rubin, David MacKenzie, and Stuart Kemp. */
 
-/* Options:
-
-   Numbers can be followed by a multiplier:
-   b=512, c=1, k=1024, w=2, xm=number m
-
-   if=FILE                     Read from FILE instead of stdin.
-   of=FILE                     Write to FILE instead of stdout; don't
-                               truncate FILE.
-   ibs=BYTES                   Read BYTES bytes at a time.
-   obs=BYTES                   Write BYTES bytes at a time.
-   bs=BYTES                    Override ibs and obs.
-   cbs=BYTES                   Convert BYTES bytes at a time.
-   skip=BLOCKS                 Skip BLOCKS ibs-sized blocks at
-                               start of input.
-   seek=BLOCKS                 Skip BLOCKS obs-sized blocks at
-                               start of output.
-   count=BLOCKS                        Copy only BLOCKS input blocks.
-   conv=CONVERSION[,CONVERSION...]
-
-   Conversions:
-   ascii                       Convert EBCDIC to ASCII.
-   ebcdic                      Convert ASCII to EBCDIC.
-   ibm                         Convert ASCII to alternate EBCDIC.
-   block                       Pad newline-terminated records to size of
-                               cbs, replacing newline with trailing spaces.
-   unblock                     Replace trailing spaces in cbs-sized block
-                               with newline.
-   lcase                       Change upper case characters to lower case.
-   ucase                       Change lower case characters to upper case.
-   swab                                Swap every pair of input bytes.
-                               Unlike the Unix dd, this works when an odd
-                               number of bytes are read.
-   noerror                     Continue after read errors.
-   sync                                Pad every input block to size of ibs with
-                               trailing NULs. */
-
 #include <config.h>
 #include <stdio.h>
 
@@ -1151,7 +1115,7 @@ Copy a file, converting and formatting according to the options.\n\
   ibs=BYTES       read BYTES bytes at a time\n\
   if=FILE         read from FILE instead of stdin\n\
   obs=BYTES       write BYTES bytes at a time\n\
-  of=FILE         write to FILE instead of stdout, don't truncate file\n\
+  of=FILE         write to FILE instead of stdout\n\
   seek=BLOCKS     skip BLOCKS obs-sized blocks at start of output\n\
   skip=BLOCKS     skip BLOCKS ibs-sized blocks at start of input\n\
       --help      display this help and exit\n\