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ls_command="$ls_command -n"
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# drwxrwx--- 0 Aug 11 2001 foo
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# This differs from Unix, which adds ownership information.
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# drwxrwx--- 2 root root 4096 Aug 11 2001 foo
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# To find the date, we split the line on spaces and iterate on words
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# until we find a month. This cannot work with files whose owner is a
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# user named `Jan', or `Feb', etc. However, it's unlikely that `/'
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# user named "Jan", or "Feb", etc. However, it's unlikely that '/'
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# will be owned by a user whose name is a month. So we first look at
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# the extended ls output of the root directory to decide how many
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# words should be skipped to get the date.