diff options
Diffstat (limited to 'cmd/bolt/get.go')
-rw-r--r-- | cmd/bolt/get.go | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/cmd/bolt/get.go b/cmd/bolt/get.go new file mode 100644 index 0000000..10216e3 --- /dev/null +++ b/cmd/bolt/get.go @@ -0,0 +1,45 @@ +package main + +import ( + "os" + + "github.com/boltdb/bolt" +) + +// Get retrieves the value for a given bucket/key. +func Get(path, name, key string) { + if _, err := os.Stat(path); os.IsNotExist(err) { + fatal(err) + return + } + + db, err := bolt.Open(path, 0600) + if err != nil { + fatal(err) + return + } + defer db.Close() + + err = db.View(func(tx *bolt.Tx) error { + // Find bucket. + b := tx.Bucket(name) + if b == nil { + fatalf("bucket not found: %s", name) + return nil + } + + // Find value for a given key. + value := b.Get([]byte(key)) + if value == nil { + fatalf("key not found: %s", key) + return nil + } + + println(string(value)) + return nil + }) + if err != nil { + fatal(err) + return + } +} |