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require 'tokyocabinet'
include TokyoCabinet
# create the object
hdb = HDB::new
# open the database
if !hdb.open("casket.tch", HDB::OWRITER | HDB::OCREAT)
ecode = hdb.ecode
STDERR.printf("open error: %s\n", hdb.errmsg(ecode))
end
# store records
if !hdb.put("foo", "hop") ||
!hdb.put("bar", "step") ||
!hdb.put("baz", "jump")
ecode = hdb.ecode
STDERR.printf("put error: %s\n", hdb.errmsg(ecode))
end
# retrieve records
value = hdb.get("foo")
if value
printf("%s\n", value)
else
ecode = hdb.ecode
STDERR.printf("get error: %s\n", hdb.errmsg(ecode))
end
# traverse records
hdb.iterinit
while key = hdb.iternext
value = hdb.get(key)
if value
printf("%s:%s\n", key, value)
end
end
# hash-like usage
hdb["quux"] = "touchdown"
printf("%s\n", hdb["quux"])
hdb.each do |key, value|
printf("%s:%s\n", key, value)
end
# close the database
if !hdb.close
ecode = hdb.ecode
STDERR.printf("close error: %s\n", hdb.errmsg(ecode))
end
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