---
name: "Bio::DB::EUtilities::esearch"
section: "3pm"
platform: "linux"
package: "bioperl"
version: "1.5.2.102-3"
release: "Debian 5.0 (Lenny)"
platforms: ["linux"]
url: "https://new.carta.tech/Bio::DB::EUtilities::esearch"
---

# Bio::DB::EUtilities::esearch(3pm)

Bio::DB::EUtilities::esearch - Base interface class for handling web queries and data retrieval from Entrez Utilities from NCBI. You shouldn't use this class directly. \*\*\* Give standard usage here \*\*\* Describe the object here\
 **Mailing Lists** User feedback is an integral part of the evolution of this and other Bioperl modules. Send your comments and suggestions preferably to one of the Bioperl mailing lists. Your participation is much appreciated.

```
  bioperl-l@bioperl.org                  - General discussion
  http://bioperl.org/wiki/Mailing_lists  - About the mailing lists
```

**Reporting Bugs** Report bugs to the Bioperl bug tracking system to help us keep track the bugs and their resolution. Bug reports can be submitted via the web.

```
  http://bugzilla.open-bio.org/
```

Email cjfields at uiuc dot edu The rest of the documentation details each of the object methods. Internal methods are usually preceded with a \_\
 **parse\_response**

```
 Title   : parse_response
 Usage   : $db->_parse_response($content)
 Function: parse out response for cookie
 Returns : empty
 Args    : none
 Throws  : 'unparseable output exception'
```

**esearch\_count**

```
 Title   : esearch_count
 Usage   : $count = $db->esearch_count;
 Function: return count of number of entries retrieved by query
 Returns : integer
 Args    : none
```