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57 lines
1.3 KiB
Python
Executable file
57 lines
1.3 KiB
Python
Executable file
#! /usr/bin/env python
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# Print the product of age and size of each file, in suitable units.
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#
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# Usage: byteyears [ -a | -m | -c ] file ...
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#
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# Options -[amc] select atime, mtime (default) or ctime as age.
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import sys, os, time
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import string
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from stat import *
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# Use lstat() to stat files if it exists, else stat()
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try:
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statfunc = os.lstat
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except AttributeError:
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statfunc = os.stat
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# Parse options
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if sys.argv[1] == '-m':
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itime = ST_MTIME
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del sys.argv[1]
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elif sys.argv[1] == '-c':
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itime = ST_CTIME
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del sys.argv[1]
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elif sys.argv[1] == '-a':
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itime = ST_CTIME
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del sys.argv[1]
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else:
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itime = ST_MTIME
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secs_per_year = 365.0 * 24.0 * 3600.0 # Scale factor
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now = time.time() # Current time, for age computations
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status = 0 # Exit status, set to 1 on errors
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# Compute max file name length
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maxlen = 1
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for file in sys.argv[1:]:
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if len(file) > maxlen: maxlen = len(file)
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# Process each argument in turn
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for file in sys.argv[1:]:
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try:
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st = statfunc(file)
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except os.error, msg:
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sys.stderr.write('can\'t stat ' + `file` + ': ' + `msg` + '\n')
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status = 1
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st = ()
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if st:
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anytime = st[itime]
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size = st[ST_SIZE]
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age = now - anytime
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byteyears = float(size) * float(age) / secs_per_year
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print string.ljust(file, maxlen),
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print string.rjust(`int(byteyears)`, 8)
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sys.exit(status)
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