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create shortened command aliases based on use frequency
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| import os | |
| import re | |
| import shutil | |
| import sys | |
| cmd_re = re.compile('(\w+)\s+.*') | |
| if 'zsh' in sys.argv[1]: | |
| cmd_re = re.compile(".*;(\w+)\s+.*") | |
| history= open(sys.argv[1], 'rb').read() | |
| history = history.decode('utf-8', 'ignore') | |
| history=[s.strip() for s in history.split('\n')] | |
| if len(sys.argv) == 3: | |
| cmd_re = re.compile(sys.argv[2]) | |
| cmd_freq = {} | |
| for line in history: | |
| m = cmd_re.match(line) | |
| if m: | |
| cmd = os.path.basename(m.group(1)).lower() | |
| cmd_path = shutil.which(cmd) | |
| if cmd_path and os.path.exists(cmd_path): | |
| cmd_freq[cmd] = cmd_freq.get(cmd, 0) + 1 | |
| cmd_tuples = sorted([(c, n) for c, n in cmd_freq.items()], key=lambda t: -t[1]) | |
| compressed = {} | |
| for cmd_tuple in cmd_tuples: | |
| cmd = cmd_tuple[0] | |
| for i in range(len(cmd)): | |
| compressed_cmd= cmd[:i+1] | |
| if compressed.get(compressed_cmd) is None: | |
| compressed[compressed_cmd] = cmd | |
| break | |
| compressed_tuples = sorted([(c1, c2, len(c1)) for c1, c2 in compressed.items()]) | |
| compressed_tuples = sorted(compressed_tuples, key=lambda t: t[2]) | |
| [print("alias {}={}".format(c1, c2)) for c1, c2, _ in compressed_tuples] |
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