Add ssh config listing script

bin/ssh-list-config.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+import os
+import re
+
+def bold(s):
+    return "\033[1m" + s + "\033[0m"
+
+RE_HOST = re.compile('Host (.*)')
+RE_HOSTNAME = re.compile('Hostname (.*)')
+
+with open(f"{os.environ['HOME']}/.ssh/config", 'r') as f:
+    lines = [l.strip() for l in f.readlines()]
+
+lines = list(filter(lambda x: not x.startswith('#'), lines))
+
+l = list()
+
+for line in lines:
+    m = RE_HOST.match(line)
+    n = RE_HOSTNAME.match(line)
+
+    if m is not None:
+        l.append([bold(m[1]) + ":", None])
+    elif n is not None:
+        l[-1][1] = n[1]
+
+mlength = max(len(s[0]) for s in l )
+
+l.sort(key=lambda x: x[0])
+
+for line in l:
+    print(f"{line[0]:{mlength}} {line[1]}")