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https://github.com/fadden/nulib2.git
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Made some decent descriptions for the "-h" command.
This commit is contained in:
Andy McFadden
parent
1c13da384c
commit
deb3fb24d0
@ -1,3 +1,6 @@
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2002/10/10 fadden
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- added fancy help text (-h)
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2002/10/09 fadden
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- added "-zz" flag to specify libbz2's "bzip2" compression
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@ -164,13 +164,13 @@ Usage(const NulibState* pState)
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" -r recurse into subdirs -j junk (don't record) directory names\n"
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" -0 don't use compression -c add one-line comments\n");
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if (NuTestFeature(kNuFeatureCompressDeflate) == kNuErrNone)
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printf(" -z use gzip 'deflate' compression ");
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printf(" -z use zlib 'deflate' compression ");
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else
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printf(" -z use zlib [not included] ");
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if (NuTestFeature(kNuFeatureCompressBzip2) == kNuErrNone)
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printf("-zz use bzip2 'BWT' compression\n");
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printf("-zz use bzip2 BWT compression\n");
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else
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printf("-zz use BWT [not included]\n");
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printf("-zz use bzip2 [not included]\n");
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printf(
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" -l auto-convert text files -ll convert CR/LF on ALL files\n"
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" -s stomp existing files w/o asking -k store files as disk images\n"
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@ -193,29 +193,51 @@ DoHelp(const NulibState* pState)
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const char* longDescr;
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} help[] = {
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{ kCommandListVerbose, 'v', "verbose listing of archive contents",
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" List files in the archive, blah blah blah\n"
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" List archive contents in a multi-column format with summary totals.\n"
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" The output is similar to what ShrinkIt produces. You can specify the\n"
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" names of the files to list.\n"
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"\n"
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" The '-b' modifier will force NuLib2 to open the file as Binary II.\n"
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" This can be useful when working with encapsulated archives (.BXY and\n"
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" .BSE) and when the archive is presented on standard input (i.e.\n"
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" \"nulib2 -vb - < archive.bny\").\n",
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},
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{ kCommandListShort, 't', "quick dump of table of contents",
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" shortList files in the archive, blah blah blah\n"
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" List the filenames, one per line, without any truncation or embellishment.\n"
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" Useful for feeding into another program.\n",
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},
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{ kCommandAdd, 'a', "add files, creating the archive if necessary",
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" Add files to the archive, blah blah blah\n"
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},
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{ kCommandDelete, 'd', "delete files from archive",
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" Delete files from the archive, blah blah blah\n"
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{ kCommandAdd, 'a', "add files to an archive",
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" Add files to an archive, possibly creating it first. Files in\n"
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" subdirectories will not be added unless the '-r' flag is provided.\n",
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},
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{ kCommandExtract, 'x', "extract files from an archive",
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" Extracts files, blah blah blah\n"
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" Extract the specified items from the archive. If nothing is specified,\n"
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" everything is extracted. The '-r' modifier tells NuLib2 to do a prefix\n"
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" match, so \"nulib2 -xr archive.shk doc\" will extract everything in the\n"
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" \"doc\" directory. It will also extract a file called \"document\". If\n"
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" you just want a directory, tack on the filename separator character, e.g.\n"
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" \"nulib2 -xr archive.shk doc:\".\n"
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"\n"
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" When working with Binary II archives, the following suboptions aren't\n"
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" allowed: -u -f -c -l -ll\n",
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},
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{ kCommandExtractToPipe, 'p', "extract files to pipe",
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" Extracts files to stdout, blah blah blah\n"
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" Works just like '-x', but all files are written to stdout. Useful for\n"
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" viewing a file, e.g. \"nulib2 -pl archive.shk document.txt | less\".\n"
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" The progress indicators and interactive prompts are disabled.\n",
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},
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{ kCommandTest, 'i', "test archive integrity",
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" Tests files, blah blah blah\n"
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" Verify the contents of an archive by extracting all files and verifying\n"
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" all CRCs. Note that uncompressed files in archives created by P8\n"
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" ShrinkIt and un-SQueezed files in Binary II archives do not have any\n"
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" sort of checksum.\n",
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},
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{ kCommandDelete, 'd', "delete files from archive",
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" Delete the named files from the archive. If you delete all of the files,\n"
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" the archive itself will be removed.\n",
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},
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{ kCommandHelp, 'h', "show extended help",
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" This is the extended help text\n"
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" A full manual is available from http://www.nulib.com/.\n"
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" This is the extended help text. Go to www.nulib.com for a full manual.\n",
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},
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};
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@ -234,9 +256,13 @@ DoHelp(const NulibState* pState)
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"This program is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
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"README file for more details.\n"
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"README file for more details.\n\n"
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);
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printf("Usage: %s -command[modifiers] archive [filename-list]\n\n",
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gProgName);
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printf("If \"archive\" is \"-\", the archive will be read from stdin.\n");
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for (i = 0; i < NELEM(help); i++) {
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const ValidCombo* pvc;
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int j;
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@ -265,15 +291,15 @@ DoHelp(const NulibState* pState)
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putchar('\n');
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printf("Compression algorithms supported by this copy of NufxLib:\n");
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printf(" Huffman SQueeze ...... %s\n",
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printf(" SQueeze (Huffman+RLE) ...... %s\n",
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NuTestFeature(kNuFeatureCompressSQ) == kNuErrNone? "yes" : "no");
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printf(" LZW/1 and LZW/2 ...... %s\n",
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printf(" LZW/1 and LZW/2 ............ %s\n",
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NuTestFeature(kNuFeatureCompressLZW) == kNuErrNone ? "yes" : "no");
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printf(" 12- and 16-bit LZC ... %s\n",
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printf(" 12- and 16-bit LZC ......... %s\n",
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NuTestFeature(kNuFeatureCompressLZC) == kNuErrNone ? "yes" : "no");
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printf(" Deflate .............. %s\n",
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printf(" Deflate .................... %s\n",
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NuTestFeature(kNuFeatureCompressDeflate) == kNuErrNone ? "yes" : "no");
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printf(" bzip2 ................ %s\n",
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printf(" Bzip2 ...................... %s\n",
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NuTestFeature(kNuFeatureCompressBzip2) == kNuErrNone ? "yes" : "no");
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@ -367,18 +393,22 @@ ProcessOptions(NulibState* pState, int argc, char* const* argv)
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if (*(cp+1) == 'z') {
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if (NuTestFeature(kNuFeatureCompressBzip2) == kNuErrNone)
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NState_SetModCompressBzip2(pState, true);
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else
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else {
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fprintf(stderr,
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"%s: WARNING: libbz2 support not compiled in\n",
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"%s: ERROR: libbz2 support not compiled in\n",
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gProgName);
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goto fail;
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}
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cp++;
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} else {
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if (NuTestFeature(kNuFeatureCompressDeflate) == kNuErrNone)
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NState_SetModCompressDeflate(pState, true);
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else
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else {
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fprintf(stderr,
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"%s: WARNING: zlib support not compiled in\n",
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"%s: ERROR: zlib support not compiled in\n",
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gProgName);
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goto fail;
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}
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}
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break;
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case 'e':
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