#! /bin/sh

# topline.sh.

# update top lines in docs.

# get version number and current date

ver=$(grep PACKAGE_VERSION config.h | sed 's/.*VERSION *"\(.*\)".*/\1/')

if test -z "$ver"; then

  echo "Cannot get version from config.h" 1>&2

  exit 1

fi

date=$(date +"%Y-%m-%d")

# update

if test -z "$@"; then

  files=$(grep -l '^#=====' * 2>/dev/null)

else

  files=$@

fi

for fnm in $files; do

  if [ "$fnm" = "NEWS" ] ; then

    continue

  fi

  echo "Updating $fnm..." 1>&2

  { echo "#============================================================================"

    echo "# Enca v$ver ($date)  guess and convert encoding of text files"

    echo "# Copyright (C) 2000-2003 David Necas (Yeti) <yeti@physics.muni.cz>"

    echo "# Copyright (C) 2009-2016 Michal Cihar <michal@cihar.com>"

    echo "#============================================================================"

    sed -e '1,5 d' "$fnm"

  } > tmp$$

  mv -f tmp$$ $fnm

done

rm -f tmp$$