autotools/check-man-warnings

#!/bin/bash
#

# Copyright (C) 2010, 2012 Google Inc.
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set -e

if locale -a | grep -qF 'C.UTF-8'; then
	loc="C.UTF-8"
else
	loc="en_US.UTF-8"
fi

! LANG="$loc" LC_ALL="$loc" MANWIDTH=80 \
  man --warnings --encoding=utf8 --local-file "$1" 2>&1 >/dev/null | \
  grep -v -e "cannot adjust line" -e "can't break line" | \
  grep .