Removed the default output file name and allow to both put the line

[selector.git] / selector.cc

diff --git a/selector.cc b/selector.cc
index 0884477..ae945fd 100644 (file)
--- a/selector.cc
+++ b/selector.cc
@@ -43,14 +43,16 @@ using namespace std;
 
 #define VERSION "1.0"
 
+const int buffer_size = 1024;
+
 // Yeah, global variables!
 
-int buffer_size = 1024;
 int nb_lines_max = 10000;
 char pattern_separator = ';';
 int output_to_vt_buffer = 0;
 int with_colors = 1;
 int zsh_history = 0;
+int inverse_order = 0;
 
 //////////////////////////////////////////////////////////////////////
 
@@ -347,8 +349,9 @@ int main(int argc, char **argv) {
   setlocale(LC_ALL, "");
 
   char input_filename[buffer_size], output_filename[buffer_size];
+
   strcpy(input_filename, "");
-  strcpy(output_filename, "/tmp/selector.out");
+  strcpy(output_filename, "");
 
   int i = 1;
   while(i < argc) {
@@ -385,6 +388,11 @@ int main(int argc, char **argv) {
       i++;
     }
 
+    else if(strcmp(argv[i], "-i") == 0) {
+      inverse_order = 1;
+      i++;
+    }
+
     else if(strcmp(argv[i], "-z") == 0) {
       zsh_history = 1;
       i++;
@@ -415,6 +423,7 @@ int main(int argc, char **argv) {
            << " [-v]"
            << " [-m]"
            << " [-z]"
+           << " [-i]"
            << " [-c <fg modeline> <bg modeline> <fg highlight> <bg highlight>]"
            << " [-o <output filename>]"
            << " [-s <pattern separator>]"
@@ -444,15 +453,24 @@ int main(int argc, char **argv) {
   int nb_lines = 0;
   while(nb_lines < nb_lines_max && !file.eof()) {
     file.getline(buffer, buffer_size);
-    char *s = buffer;
-    if(zsh_history && *s == ':') {
-      s++;
-      while(*s && *s != ';') s++;
-      if(*s == ';') s++;
-    }
-    lines[nb_lines] = new char[strlen(s) + 1];
-    strcpy(lines[nb_lines], s);
-    nb_lines++;
+    if(strcmp(buffer, "") != 0) {
+      char *s = buffer;
+      if(zsh_history && *s == ':') {
+        while(*s && *s != ';') s++;
+        if(*s == ';') s++;
+      }
+      lines[nb_lines] = new char[strlen(s) + 1];
+      strcpy(lines[nb_lines], s);
+      nb_lines++;
+    }
+  }
+
+  if(inverse_order) {
+    for(int i = 0; i < nb_lines/2; i++) {
+      char *s = lines[nb_lines - 1 - i];
+      lines[nb_lines - 1 - i] = lines[i];
+      lines[i] = s;
+    }
   }
 
   char patterns[buffer_size];
@@ -547,7 +565,9 @@ int main(int argc, char **argv) {
       if(temporary_line >= 0 && temporary_line < nb_lines) {
         inject_into_tty_buffer(lines[temporary_line]);
       }
-    } else {
+    }
+
+    if(output_filename[0]) {
       ofstream out(output_filename);
       if(out.fail()) {
         cerr << "Can not open " << output_filename << " for writing." << endl;