phundrak/lzw-assignment
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updated help message

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This commit is contained in:
Phuntsok Drak-pa 2018-06-18 18:04:07 +02:00
parent d3ea93d13e
commit 94435ef305
1 changed files with 18 additions and 12 deletions
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30
src/main.cc
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@ -38,18 +38,24 @@ using uvec = std::vector<uint32_t>; // chaine encodée
*/
void help() {
puts("Usage:");
puts("lzw [-options] [-i path] [-o path]");
puts("\tThe default action is to compress the input file to a .lzw file");
puts("\tin which the directory in which the software is executed.");
puts("\tOptions available:");
puts("\t-i\tpath to the input file (mandatory)");
puts("\t-o\tpath to the output file (if the file already exists, it will");
puts("\t\tbe overwritten). Default: input path + \".lzw\"");
puts("\t-c\tcompress the input file");
puts("\t-u\tuncompresses the input file to the output file. If no output");
puts("\t\tpath has not been entered and if the input file ends with ");
puts("\t\t\".lzw\", the extension \".lzw\" will be removed; otherwise, the ");
puts("\t\textension \".uncompresed\" will be added");
puts("lzw [-options] [-i path] [-o path]\n");
puts("The default action is to compress the input file to a .lzw file");
puts("in which the directory in which the software is executed.");
puts("Options available:");
puts("-h --help");
puts("\tdisplay the current message");
puts("-i --input");
puts("\tpath to the input file (MANDATORY)");
puts("-o --output");
puts("\tpath to the output file (if the file already exists, it will be\n");
puts("\toverwritten). Default: input path + \".lzw\"");
puts("-c --compress");
puts("\tcompress the input file");
puts("-u --uncompress");
puts("\tuncompresses the input file to the output file. If no output path");
puts("\thas not been entered and if the input file ends with \".lzw\",");
puts("\tthe extension \".lzw\" will be removed; otherwise, the extension");
puts("\t\"_uncompresed\" will be added");
}
std::tuple<string, string, bool> process_args(int t_argc, char *t_argv[]) {