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Bug #802 ยป gzip-k.diff

delphij, 09/06/2007 03:17 AM

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gzip.1 6 Sep 2007 03:01:59 -0000
.Nd compression/decompression tool using Lempel-Ziv coding (LZ77)
.Sh SYNOPSIS
.Nm
.Op Fl cdfhlNnqrtVv
.Op Fl cdfhklNnqrtVv
.Op Fl S Ar suffix
.Ar file
.Oo
......
.Oc
.Oc
.Nm gunzip
.Op Fl cfhNqrtVv
.Op Fl cfhkNqrtVv
.Op Fl S Ar suffix
.Ar file
.Oo
......
option, allowing non-compressed data to pass through unchanged.
.It Fl h , -help
This option prints a usage summary and exits.
.It Fl k , -keep
Keep (don't delete) input files during compression
or decompression.
.It Fl l , -list
This option displays information about the file's compressed and
uncompressed size, ratio, uncompressed name.
gzip.c 6 Sep 2007 02:59:15 -0000
#ifndef SMALL
static int fflag; /* force mode */
static int kflag; /* don't delete input files */
static int nflag; /* don't save name/timestamp */
static int Nflag; /* don't restore name/timestamp */
static int qflag; /* quiet mode */
......
{ "uncompress", no_argument, 0, 'd' },
{ "force", no_argument, 0, 'f' },
{ "help", no_argument, 0, 'h' },
{ "keep", no_argument, 0, 'k' },
{ "list", no_argument, 0, 'l' },
{ "no-name", no_argument, 0, 'n' },
{ "name", no_argument, 0, 'N' },
......
#ifdef SMALL
#define OPT_LIST "cdhHltV123456789"
#else
#define OPT_LIST "cdfhHlnNqrS:tvV123456789"
#define OPT_LIST "cdfhHklnNqrS:tvV123456789"
#endif
while ((ch = getopt_long(argc, argv, OPT_LIST, longopts, NULL)) != -1) {
......
case 'f':
fflag = 1;
break;
case 'k':
kflag = 1;
break;
case 'n':
nflag = 1;
Nflag = 0;
......
{
struct stat nsb;
if (kflag)
return;
if (stat(file, &nsb) != 0)
/* Must be gone alrady */
return;
......
path_argv[0] = dir;
path_argv[1] = 0;
fts = fts_open(path_argv, FTS_PHYSICAL, NULL);
fts = fts_open(path_argv, FTS_PHYSICAL | FTS_NOCHDIR, NULL);
if (fts == NULL) {
warn("couldn't fts_open %s", dir);
return;
......
maybe_warn("%s", entry->fts_path);
continue;
case FTS_F:
handle_file(entry->fts_name, entry->fts_statp);
handle_file(entry->fts_path, entry->fts_statp);
}
}
(void)fts_close(fts);
......
fprintf(stderr, "%s\n", gzip_version);
fprintf(stderr,
"usage: %s [-" OPT_LIST "] [<file> [<file> ...]]\n"
#ifndef SMALL
#ifdef SMALL
"usage: %s [-" OPT_LIST "] [<file> [<file> ...]]\n",
#else
"usage: %s [-123456789acdfhklLNnqrtVv] [-S .suffix] [<file> [<file> ...]]\n"
" -c --stdout write to stdout, keep original files\n"
" --to-stdout\n"
" -d --decompress uncompress files\n"
" --uncompress\n"
" -f --force force overwriting & compress links\n"
" -h --help display this help\n"
" -k --keep don't delete input files during operation\n"
" -n --no-name don't save original file name or time stamp\n"
" -N --name save or restore original file name and time stamp\n"
" -q --quiet output no warnings\n"
......
" -1 --fast fastest (worst) compression\n"
" -2 .. -8 set compression level\n"
" -9 --best best (slowest) compression\n",
#else
,
#endif
getprogname());
exit(0);
    (1-1/1)