HLint v0.0, (C) Neil Mitchell 2006-2012

  hlint [files/directories] [options]

  -?        --help                     Display help message
  -v        --version                  Display version information
  -r[file]  --report[=file]            Generate a report in HTML
  -h file   --hint=file                Hint/ignore file to use
  -w hint   --with=hint                Extra hints to use
  -c        --color, --colour          Color output (requires ANSI terminal)
  -i hint   --ignore=hint              Ignore a particular hint
  -s        --show                     Show all ignored ideas
  -e ext    --extension=ext            File extensions to search (defaults to hs and lhs)
  -X lang   --language=lang            Language extensions (Arrows, NoCPP)
  -u        --utf8                     Use UTF-8 text encoding
            --encoding=encoding        Choose the text encoding
  -x        --cross                    Work between modules
  -f file   --find=file                Find hints in a Haskell file
  -t        --test                     Run in test mode
  -d dir    --datadir=dir              Override the data directory
  -p dir    --path=dir                 Directory in which to search for files
  -q        --quiet                    Supress most console output
            --proof=file               Isabelle/HOLCF theory file
            --cpp-define=name[=value]  CPP #define
            --cpp-include=dir          CPP include path
            --cpp-simple               Use a simple CPP (strip # lines)
            --cpp-ansi                 Use CPP in ANSI compatibility mode

HLint gives hints on how to improve Haskell code.

To check all Haskell files in 'src' and generate a report type:
  hlint src --report