--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cdbget.c	Wed Jan 29 10:50:34 2025 +0000
@@ -0,0 +1,67 @@
+#include "exit.h"
+#include "scan.h"
+#include "str.h"
+#include "buffer.h"
+#include "strerr.h"
+#include "cdb.h"
+
+#define FATAL "cdbget: fatal: "
+
+void die_read(void)
+{
+  strerr_die2sys(111,FATAL,"unable to read input: ");
+}
+void die_write(void)
+{
+  strerr_die2sys(111,FATAL,"unable to write output: ");
+}
+void die_usage(void)
+{
+  strerr_die1x(111,"cdbget: usage: cdbget key [skip]");
+}
+
+static struct cdb c;
+char buf[1024];
+
+main(int argc,char **argv)
+{
+  char *key;
+  int r;
+  uint32 pos;
+  uint32 len;
+  unsigned long u = 0;
+
+  if (!*argv) die_usage();
+  
+  if (!*++argv) die_usage();
+  key = *argv;
+
+  if (*++argv) {
+    scan_ulong(*argv,&u);
+  }
+
+  cdb_init(&c,0);
+  cdb_findstart(&c);
+
+  for (;;) {
+    r = cdb_findnext(&c,key,str_len(key));
+    if (r == -1) die_read();
+    if (!r) _exit(100);
+    if (!u) break;
+    --u;
+  }
+
+  pos = cdb_datapos(&c);
+  len = cdb_datalen(&c);
+
+  while (len > 0) {
+    r = sizeof buf;
+    if (r > len) r = len;
+    if (cdb_read(&c,buf,r,pos) == -1) die_read();
+    if (buffer_put(buffer_1small,buf,r) == -1) die_write();
+    pos += r;
+    len -= r;
+  }
+  if (buffer_flush(buffer_1small) == -1) die_write();
+  _exit(0);
+}