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from sys import argv, stderr, exit |
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from os import linesep as ls |
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procfile = "/proc/sys/vm/drop_caches" |
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options = ["1","2","3"] |
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flush_type = None |
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try: |
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flush_type = argv[1][0:1] |
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if not flush_type in options: |
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raise IndexError, "not in options" |
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with open(procfile, "w") as f: |
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f.write("%s%s" % (flush_type,ls)) |
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exit(0) |
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except IndexError, e: |
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stderr.write("Argument %s required.%s" % (options, ls)) |
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except IOError, e: |
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stderr.write("Error writing to file.%s" % ls) |
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except StandardError, e: |
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stderr.write("Unknown Error.%s" % ls) |
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exit(1) |
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