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authorKartik K. Agaram <vc@akkartik.com>2015-04-03 20:45:03 -0700
committerKartik K. Agaram <vc@akkartik.com>2015-04-03 20:45:14 -0700
commit6d943605ad7c5989716a3f9c05392f1394980a05 (patch)
tree20be4a7ca60de0e9fb6d30d492d56be25165ec4b /cpp/enumerate/enumerate.cc
parent844697c2ab154509cb8fa876bf6094c948caf817 (diff)
downloadmu-6d943605ad7c5989716a3f9c05392f1394980a05.tar.gz
1014 - reorganize build system to prepare for .mu layers
Diffstat (limited to 'cpp/enumerate/enumerate.cc')
-rw-r--r--cpp/enumerate/enumerate.cc35
1 files changed, 35 insertions, 0 deletions
diff --git a/cpp/enumerate/enumerate.cc b/cpp/enumerate/enumerate.cc
new file mode 100644
index 00000000..02349213
--- /dev/null
+++ b/cpp/enumerate/enumerate.cc
@@ -0,0 +1,35 @@
+#include<cstdlib>
+#include<dirent.h>
+#include<vector>
+using std::vector;
+#include<string>
+using std::string;
+#include<iostream>
+using std::cout;
+
+int enumerate_files_in_cwd_until(string last_file);
+string flag_value(const string& flag, int argc, const char* argv[]);
+
+int main(int argc, const char* argv[]) {
+  return enumerate_files_in_cwd_until(flag_value("--until", argc, argv));
+}
+
+int enumerate_files_in_cwd_until(string last_file) {
+  dirent** files;
+  int num_files = scandir(".", &files, NULL, alphasort);
+  for (int i = 0; i < num_files; ++i) {
+    string curr_file = files[i]->d_name;
+    if (!isdigit(curr_file[0])) continue;
+    if (!last_file.empty() && curr_file > last_file) break;
+    cout << curr_file << '\n';
+  }
+  // don't bother freeing files
+  return 0;
+}
+
+string flag_value(const string& flag, int argc, const char* argv[]) {
+  for (int i = 1; i < argc-1; ++i)
+    if (string(argv[i]) == flag)
+      return argv[i+1];
+  return "";
+}