aboutsummaryrefslogtreecommitdiff
path: root/cmd/bolt/get.go
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/bolt/get.go')
-rw-r--r--cmd/bolt/get.go45
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
+ }
+}