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  • Lukas Fleischer's avatar
    Use double brackets everywhere · 56d4dec1
    Lukas Fleischer authored
    
    
    We already fixed a couple of these in previous patches - this one should
    replace all remaining uses of single brackets ("[") by double brackets.
    Also, use arithmetic evaluation instead of conditional expressions where
    appropriate and make use of "-z" and "-n" instead of comparing variables
    to empty strings.
    
    Signed-off-by: default avatarLukas Fleischer <archlinux@cryptocrack.de>
    56d4dec1