training: Support new command line option -v (short form for --version)

Signed-off-by: Stefan Weil <sw@weilnetz.de>

Author: stweil

training/ambiguous_words.cpp

@@ -32,11 +32,11 @@ int main(int argc, char** argv) {
   tesseract::CheckSharedLibraryVersion();
 
   // Parse input arguments.
-  if (argc > 1 && !strcmp(argv[1], "--version")) {
+  if (argc > 1 && (!strcmp(argv[1], "-v") || !strcmp(argv[1], "--version"))) {
     printf("%s\n", tesseract::TessBaseAPI::Version());
     return 0;
   } else if (argc != 4 && (argc != 6 || strcmp(argv[1], "-l") != 0)) {
-    printf("Usage: %s --version | %s [-l lang] tessdata_dir wordlist_file"
+    printf("Usage: %s -v | --version | %s [-l lang] tessdata_dir wordlist_file"
            " output_ambiguous_wordlist_file\n", argv[0], argv[0]);
     return 1;
   }

training/combine_tessdata.cpp

@@ -70,7 +70,7 @@ int main(int argc, char **argv) {
 
   int i;
   tesseract::TessdataManager tm;
-  if (argc > 1 && !strcmp(argv[1], "--version")) {
+  if (argc > 1 && (!strcmp(argv[1], "-v") || !strcmp(argv[1], "--version"))) {
     printf("%s\n", tesseract::TessBaseAPI::Version());
     return 0;
   } else if (argc == 2) {

training/commandlineflags.cpp

@@ -157,7 +157,9 @@ void ParseCommandLineFlags(const char* usage,
     printf("USAGE: %s\n", usage);
     PrintCommandLineFlags();
     exit(0);
-  } else if (*argc > 1 && !strcmp((*argv)[1], "--version")) {
+  }
+
+  if (*argc > 1 && (!strcmp((*argv)[1], "-v") || !strcmp((*argv)[1], "--version"))) {
     printf("%s\n", TessBaseAPI::Version());
     exit(0);
   }

training/commontraining.cpp

@@ -87,7 +87,7 @@ void ParseArguments(int* argc, char ***argv) {
   STRING usage;
   if (*argc) {
     usage += (*argv)[0];
-    usage += " --version | ";
+    usage += " -v | --version | ";
     usage += (*argv)[0];
   }
   usage += " [.tr files ...]";

training/dawg2wordlist.cpp

@@ -75,12 +75,12 @@ int WriteDawgAsWordlist(const UNICHARSET &unicharset,
 int main(int argc, char *argv[]) {
   tesseract::CheckSharedLibraryVersion();
 
-  if (argc > 1 && !strcmp(argv[1], "--version")) {
+  if (argc > 1 && (!strcmp(argv[1], "-v") || !strcmp(argv[1], "--version"))) {
     printf("%s\n", tesseract::TessBaseAPI::Version());
     return 0;
   } else if (argc != 4) {
     tprintf("Print all the words in a given dawg.\n");
-    tprintf("Usage: %s --version | %s <unicharset> <dawgfile> <wordlistfile>\n",
+    tprintf("Usage: %s -v | --version | %s <unicharset> <dawgfile> <wordlistfile>\n",
             argv[0], argv[0]);
     return 1;
   }

training/merge_unicharsets.cpp

@@ -23,12 +23,12 @@
 int main(int argc, char** argv) {
   tesseract::CheckSharedLibraryVersion();
 
-  if (argc > 1 && !strcmp(argv[1], "--version")) {
+  if (argc > 1 && (!strcmp(argv[1], "-v") || !strcmp(argv[1], "--version"))) {
     printf("%s\n", tesseract::TessBaseAPI::Version());
     return 0;
   } else if (argc < 4) {
     // Print usage
-    printf("Usage: %s --version |\n"
+    printf("Usage: %s -v | --version |\n"
            "       %s unicharset-in-1 ... unicharset-in-n unicharset-out\n",
            argv[0], argv[0]);
     return 1;

training/wordlist2dawg.cpp

@@ -33,12 +33,12 @@
 int main(int argc, char** argv) {
   tesseract::CheckSharedLibraryVersion();
 
-  if (argc > 1 && !strcmp(argv[1], "--version")) {
+  if (argc > 1 && (!strcmp(argv[1], "-v") || !strcmp(argv[1], "--version"))) {
     printf("%s\n", tesseract::TessBaseAPI::Version());
     return 0;
   } else if (!(argc == 4 || (argc == 5 && strcmp(argv[1], "-t") == 0) ||
              (argc == 6 && strcmp(argv[1], "-r") == 0))) {
-    printf("Usage: %s --version |\n"
+    printf("Usage: %s -v | --version |\n"
            "       %s [-t | -r [reverse policy] ] word_list_file"
            " dawg_file unicharset_file\n", argv[0], argv[0]);
     return 1;