Group CLI demo into subdirectory. (#6258)

CLI is not most developed interface. Putting them into correct directory can help new users to avoid it as most of the use cases are from a language binding.

demo/CLI/regression/mapfeat.py

@@ -0,0 +1,33 @@
+#!/usr/bin/python
+
+fo = open('machine.txt', 'w')
+cnt = 6
+fmap = {}
+for l in open('machine.data'):
+    arr = l.split(',')
+    fo.write(arr[8])
+    for i in range(0, 6):
+        fo.write(' %d:%s' % (i, arr[i + 2]))
+
+    if arr[0] not in fmap:
+        fmap[arr[0]] = cnt
+        cnt += 1
+
+    fo.write(' %d:1' % fmap[arr[0]])
+    fo.write('\n')
+
+fo.close()
+
+# create feature map for machine data
+fo = open('featmap.txt', 'w')
+# list from machine.names
+names = [
+    'vendor', 'MYCT', 'MMIN', 'MMAX', 'CACH', 'CHMIN', 'CHMAX', 'PRP', 'ERP'
+]
+
+for i in range(0, 6):
+    fo.write('%d\t%s\tint\n' % (i, names[i + 1]))
+
+for v, k in sorted(fmap.items(), key=lambda x: x[1]):
+    fo.write('%d\tvendor=%s\ti\n' % (k, v))
+fo.close()