debomizer

#!/bin/bash -e
#
#: Filename    : debomizer
#: Title       : Debomizer - bom remover
#: Author      : "Iarmin" <[email protected]>
#: Version     : 0.9
#: Description : Removes BOM from UTF-8 encoded files
#: Dependency  : bomstrip
#: Options     : ./debomizer <file1> <file2> <file3> ...
#

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

for i in $@; do
    if ! [ -f "$i" ]; then
        echo "Cannot open: $i"
    else
        if [ "$(xxd -ps -l 3 "$i")" == "efbbbf" ]; then
            echo "BOM detected in: $i"
            tempfile="$(mktemp)"
            cat "$i" | bomstrip > "$tempfile"
            cp -f "$tempfile" "$i"
        else
            echo "No BOM in: $i"
        fi
    fi
done