#!/bin/bash
 
# fb2conv - Script unpacks fb2.zip archives,
 
#           reencodes fb2 files from cp1251 to utf8,
 
#           and pack fb2 to fb2.zip
 
# Copyright (C) 2009  pluton <[email protected]> <[email protected]>
 
# License: GNU GPL v3
 

 
# constants
 
MASK="*.fb2"
 
ZIPS="$MASK.zip"
 
TMPF=".tmp"
 

 
# unzip & delete all fb2 archives
 
zipcount=$( ls $ZIPS 2>/dev/null | wc -l )
 
if (( $zipcount > 0 ))
 
then
 
    unzip -qq "$ZIPS" && rm -f $ZIPS
 
fi
 

 
count=0
 
processed=0
 
chmod -x $MASK      # just in case
 
for f in $MASK
 
do
 
    # get present encoding
 
    enc=$( head -1 "$f" | sed 's/^.*encoding="\(<^">*\)".*$/\1/i' |
 
        tr 'A-Z' 'a-z' )
 
 
 
    # check encoding
 
    if < x"$enc" == x"windows-1251" >
 
    then
 
        iconv -f cp1251 "$f" | sed '1s/encoding="windows-1251"/encoding="utf-8"/i' > "$TMPF"
 
        mv -f "$TMPF" "$f"
 
        let processed=$processed+1
 
    fi
 
 
 
    # pack single file to archive
 
    zip -9qq "$f".zip "$f" && rm -f "$f"
 
 
 
    let count=$count+1
 
done
 
echo "Altogether $count, processed $processed file(s)"