history stats - check that command exists and compute hourly stats

src/history_stats_3.py

@@ -0,0 +1,83 @@
+#!/bin/env python3
+
+import os
+import sys
+import time
+import subprocess
+
+if __name__=="__main__":
+
+    limit = None
+    if len(sys.argv) > 1:
+        limit = int(sys.argv[1])
+        if limit <= 0:
+            limit = None
+
+    history = {}
+    dates = {}
+    hist_conf = os.path.expanduser("~/.bash_history")
+    with open(hist_conf) as hfile:
+        for line in hfile:
+            if line[0] == "#":
+                epoch = int(line[1:])
+                t = time.localtime(epoch)
+                (y,m,d,h) = (t.tm_year,t.tm_mon,t.tm_mday,t.tm_hour)
+                if y not in dates:
+                    dates[y] = {}
+                else:
+                    if m not in dates[y]:
+                        dates[y][m] = {}
+                    else:
+                        if d not in dates[y][m]:
+                            dates[y][m][d] = {}
+                        else:
+                            if h not in dates[y][m][d]:
+                                dates[y][m][d][h] = 0
+                            else:
+                                dates[y][m][d][h] += 1
+
+            #elif line[0] != '"':
+            else:
+
+                items = line.split()
+                if len(items) > 0:
+
+                    cmd = os.path.basename(items[0])
+
+                    history[cmd] = history.get(cmd,0) + 1
+
+                    for j in range(len(items[1:])):
+                        cmd = items[j]
+                        if cmd in ("sudo", "|", "xargs"):
+                            cmd = os.path.basename(items[j])
+                            history[cmd] = history.get(cmd,0) + 1
+                            cmd = os.path.basename(items[j+1])
+                            history[cmd] = history.get(cmd,0) + 1
+
+    stats = [ (history[cmd],cmd) for cmd in history ]
+
+    stats.sort(reverse=True)
+
+    for count,cmd in stats[0:limit]:
+        with open("/dev/null","w") as dn:
+            rcode = subprocess.call(["/bin/bash","-i","-c","type "+cmd+";exit"], stdout=dn, stderr=dn)
+            if rcode == 0:
+                print(count,"\t",cmd)
+
+
+    hours = {}
+    for y in dates:
+        for m in dates[y]:
+            for d in dates[y][m]:
+                for h in dates[y][m][d]:
+                    hours[h] = hours.get( h, 0 ) + 1
+    smax = 4
+    for h in hours:
+        sh = " "*(smax-len(str(h)))
+        print(h,end=sh)
+    print()
+    for h in hours:
+        shh = " "*(smax-len(str(hours[h])))
+        print(hours[h],end=shh)
+    print()
+