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133 lines
2.8 KiB
Python
133 lines
2.8 KiB
Python
"""jc - JSON CLI output utility ls Parser
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Usage:
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specify --ls as the first argument if the piped input is coming from ls
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ls options supported:
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- None
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- l
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- a
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Examples:
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$ ls -a /usr/bin | jc --ls -p
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[
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{
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"filename": "."
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},
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{
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"filename": ".."
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},
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{
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"filename": "2to3-"
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},
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{
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"filename": "2to3-2.7"
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},
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{
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"filename": "AssetCacheLocatorUtil"
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},
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...
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]
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$ ls -al /usr/bin | jc --ls -p
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[
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{
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"filename": ".",
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"flags": "drwxr-xr-x",
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"links": 970,
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"owner": "root",
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"group": "wheel",
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"bytes": 31040,
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"date": "Aug 27 21:20"
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},
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{
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"filename": "..",
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"flags": "drwxr-xr-x@",
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"links": 9,
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"owner": "root",
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"group": "wheel",
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"bytes": 288,
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"date": "May 3 22:14"
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},
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{
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"filename": "2to3-",
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"flags": "-rwxr-xr-x",
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"links": 4,
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"owner": "root",
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"group": "wheel",
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"bytes": 925,
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"date": "Feb 22 2019"
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},
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{
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"filename": "2to3-2.7",
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"link_to": "../../System/Library/Frameworks/Python.framework/Versions/2.7/bin/2to3-2.7",
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"flags": "lrwxr-xr-x",
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"links": 1,
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"owner": "root",
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"group": "wheel",
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"bytes": 74,
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"date": "May 4 02:12"
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},
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...
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]
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$ $ ls -l /usr/bin | jc --ls | jq '.[] | 'select(.bytes > 50000000)'
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{
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"filename": "emacs",
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"flags": "-r-xr-xr-x",
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"links": 1,
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"owner": "root",
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"group": "wheel",
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"bytes": 117164432,
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"date": "May 3 22:26"
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}
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"""
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import re
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def parse(data):
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output = []
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linedata = data.splitlines()
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# Delete first line if it starts with 'total'
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if linedata:
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if linedata[0].find('total') == 0:
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linedata.pop(0)
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# Clear any blank lines
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cleandata = list(filter(None, linedata))
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if cleandata:
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# Check if -l was used to parse extra data
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if re.match('^[-dclpsbDCMnP?]([-r][-w][-xsS]){2}([-r][-w][-xtT])[+]?', cleandata[0]):
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for entry in cleandata:
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output_line = {}
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parsed_line = entry.split(maxsplit=8)
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# split filenames and links
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filename_field = parsed_line[8].split(' -> ')
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# create list of dictionaries
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output_line['filename'] = filename_field[0]
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if len(filename_field) > 1:
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output_line['link_to'] = filename_field[1]
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output_line['flags'] = parsed_line[0]
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output_line['links'] = int(parsed_line[1])
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output_line['owner'] = parsed_line[2]
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output_line['group'] = parsed_line[3]
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output_line['bytes'] = int(parsed_line[4])
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output_line['date'] = ' '.join(parsed_line[5:8])
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output.append(output_line)
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else:
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for entry in cleandata:
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output_line = {}
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output_line['filename'] = entry
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output.append(output_line)
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return output
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