convert-to-utf8.sh

#!/bin/bash
# Convert file from iso-8859-* to UTF8 if needed
#
# @link https://gist.github.com/lavoiesl/432827990d78c3764f50

if [[ $# -lt 1 ]]; then
    echo "Usage: $0 input-file" >&2
    exit 1
fi

mime_encoding="$(file -b --mime-encoding "$1")"

if [[ "$mime_encoding" == iso-8859-* ]]; then
    tmp=$(mktemp -t iconv-utf8)
    iconv -f $"mime_encoding" -t UTF-8 "$1" > "$tmp"
    mv "$tmp" "$1"
fi