some examples

bindings/ruby/examples/df.rb

@@ -0,0 +1,28 @@
+require 'rbsigar'
+
+def format_size(size)
+  return Sigar.format_size(size * 1024)
+end
+
+sigar = Sigar.new
+fslist = sigar.file_system_list
+
+puts "Filesystem\tSize\tUsed\tAvail\tUse%\tMounted on\tType\n"
+
+fslist.each do |fs|
+  dir_name = fs.dir_name
+  usage = sigar.file_system_usage(dir_name)
+
+  total = usage.total
+  used = total - usage.free
+  avail = usage.avail
+  pct = usage.use_percent * 100
+
+  puts fs.dev_name + "\t" +
+    format_size(total) + "\t" +
+    format_size(used) + "\t" +
+    format_size(avail) + "\t" +
+    (pct == 0.0 ? '-' : pct.to_s) + "\t" +
+    dir_name + "\t" + 
+    fs.sys_type_name + "/" + fs.type_name
+end

bindings/ruby/examples/free.rb

@@ -0,0 +1,19 @@
+require 'rbsigar'
+
+sigar = Sigar.new
+mem = sigar.mem
+swap = sigar.swap
+
+puts "\tTotal\tUsed\tFree"
+
+puts "Mem:    " +
+     (mem.total / 1024).to_s + "\t" +
+     (mem.used / 1024).to_s + "\t" +
+     (mem.free/ 1024).to_s
+
+puts "Swap:   " +
+     (swap.total / 1024).to_s + "\t" +
+     (swap.used / 1024).to_s + "\t" +
+     (swap.free/ 1024).to_s
+
+puts "RAM:    " + mem.ram.to_s + "MB";