#!/bin/bash
# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8
source "$(dirname "$0")/ulib/ulib" || exit 1; urequire DEFAULTS

function display_help() {
    uecho "$scriptname: Enlever ou transformer certaines classes de caractères d'un flux encodé en UTF-8

USAGE
    $scriptname [options] [inputfiles...]

OPTIONS
    -a, --accents
        Transformer les caractères accentués en caractères non accentués."
}

function fix_accents() {
    sed '
s/[à]/a/g
s/[éèêë]/e/g
s/[ïî]/i/g
s/[ôö]/o/g
s/[üû]/u/g
s/[ç]/c/g
s/[À]/A/g
s/[ÉÈÊË]/E/g
s/[ÏÎ]/I/g
s/[ÔÖ]/O/g
s/[ÜÛ]/U/g
s/[Ç]/C/g
'
}

accents=
parse_opts "${PRETTYOPTS[@]}" \
    --help '$exit_with display_help' \
    -a,--accents accents=1 \
    @ args -- "$@" && set -- "${args[@]}" || die "$args"

[ $# -gt 0 ] || set -- /dev/stdin
script="export LANG=fr_FR.UTF-8; $(quoted_args cat "$@")"
[ -n "$accents" ] && script="$script | fix_accents"

eval "$script"