#!/bin/sh

: "${dbname:="foodb"}"
: "${dumpdir:="./tables"}"

dbuser=root
dbpass=root

mkdir -p "$dumpdir"

mysqldump -u"$dbuser" \
	--tab="$dumpdir" --fields-terminated-by=, --fields-enclosed-by='"' \
	--lines-terminated-by=0x0d0a \
	--skip-triggers --skip-dump-date --no-create-info \
	"$dbname"

for file in "$dumpdir"/*.txt
do
	f="${file##*/}"
	f="${f%.txt}"

	head="$(mysql -u"$dbuser" "$dbname" -e "SELECT COLUMN_NAME FROM information_schema.COLUMNS WHERE table_name = '${f}';" \
		| tail -n+2 \
		| xargs \
		| tr ' ' ','
	)"

	(printf -- '%s\n' "$head"; cat "$file";) > "${dumpdir}/${f}.csv"
	rm -f "$file"
done