/bin/mail.sh из прошивки букридера GreenBook

#!/bin/sh
#
# $1 is the mail account

[ -n "$1" ] && {
	
	MAIL_PATH="/Mail/$1/mbox"
	OUTPUT_MAIL_PATH="/mnt/flash/save/email/inbox/"
	mkdir -p $OUTPUT_MAIL_PATH	
	mv /var/spool/mail/root/* $MAIL_PATH

	for j in `find $MAIL_PATH -name "msg.*"`
	do
	  MAIL_NAME=`basename $j`.eml
	  NEW_MAIL="$OUTPUT_MAIL_PATH/$MAIL_NAME"
	  mkdir -p "$OUTPUT_MAIL_PATH"
	  
	  [ ! -f "$NEW_MAIL" ] && {
		  grep "^From:" $j | head -n 1 > $NEW_MAIL
		  if grep "^Cc:" $j ; then
		  	grep "^Cc:" $j | head -n 1 >> $NEW_MAIL
		  fi
		  grep "^To:" $j | head -n 1 >> $NEW_MAIL
		  grep "^Subject:" $j | head -n 1 >> $NEW_MAIL
		  grep "^Date:" $j | head -n 1 >> $NEW_MAIL
		
			if grep "^Content-Type: text/plain;" $j ; then
				
				LINE_NUM=`grep -n "^Content-Type: text/plain;" $j | cut -d: -f1`
				
				if grep "^Content-Type: text/plain;" $j | grep "charset=" ; then
					TYPE=`grep  "Content-Type: text/plain;" $j | cut -d";" -f1`
					echo "$TYPE" >> $NEW_MAIL
					CHAR="charset="`grep  "Content-Type: text/plain;" $j | cut -d= -f2`
					echo "$CHAR" >> $NEW_MAIL
				else
					grep "^Content-Type: text/plain;" $j >> $NEW_MAIL
					x=$(($LINE_NUM+1))
					sed -n "$x"p $j >> $NEW_MAIL
				fi
		
				
				x=$(($LINE_NUM-1))
				BOUNDARY=`sed -n "$x"p $j`
				
				for i in `sed "/$BOUNDARY/s/.*/ffffuuuucccckkkk/" $j | grep -n "ffffuuuucccckkkk" | cut -d: -f1`
				do
					if [ "$i" -gt "$LINE_NUM" ] ; then
						i=$(($i-1))
						y=$(($LINE_NUM+3))
						echo "Mail content start:" >> $NEW_MAIL
						sed -n "$y,$i"p $j >> $NEW_MAIL			
						break
					fi
				done
				
				if ! grep "Mail content start:" $NEW_MAIL ; then
					echo "Mail content start:" >> $NEW_MAIL
					y=$(($LINE_NUM+3))
					x=`grep -c "^" $j`
					sed -n "$y,$x"p $j >> $NEW_MAIL
				fi
				
			else
				echo "Fuck....."	
			fi
		}
	done
}