Create rm command

.gitignore

@@ -27,5 +27,6 @@ programs/pwd/pwd
 programs/which/which
 programs/readelf/readelf
 programs/touch/touch
-programs/cd/cd
+programs/mkdir/mkdir
+programs/rm/rm
 programs/dist/

programs/Makefile

@@ -1,6 +1,6 @@
 .PHONY: dist default clean force_look
 
-PROGRAMS=one hello long loop longone longtwo keyboard tsh cpuid shutdown reboot args stat cat which readelf touch mkdir
+PROGRAMS=one hello long loop longone longtwo keyboard tsh cpuid shutdown reboot args stat cat which readelf touch mkdir rm
 
 default: dist
 

programs/rm/Makefile

@@ -0,0 +1,15 @@
+.PHONY: default clean
+
+default: rm
+
+include ../../cpp.mk
+
+%.cpp.o: src/%.cpp
+	$(CC) -c $< -o $@ $(PROGRAM_FLAGS)
+
+rm: main.cpp.o
+	$(CC) -o rm main.cpp.o $(PROGRAM_LINK_FLAGS)
+
+clean:
+	rm -f *.cpp.o
+	rm -rf rm

programs/rm/src/main.cpp

@@ -0,0 +1,35 @@
+//=======================================================================
+// Copyright Baptiste Wicht 2013-2014.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//=======================================================================
+
+#include <file.hpp>
+#include <system.hpp>
+#include <errors.hpp>
+#include <print.hpp>
+#include <flags.hpp>
+
+int main(int argc, char* argv[]){
+    if(argc == 1){
+        print_line("Usage: rm file_path");
+        exit(1);
+    }
+
+    auto fd = open(argv[1]);
+
+    if(fd.valid()){
+        auto result = rm(argv[1]);
+
+        if(result < 0){
+            printf("rm: error: %s\n", std::error_message(-result));
+        }
+
+        close(*fd);
+    } else {
+        printf("rm: error: %s\n", std::error_message(fd.error()));
+    }
+
+    exit(0);
+}