[NUTCH-1602] improve the readability of metadata in readdb dump normal

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.7
• Fix Version/s: 1.8
• Component/s: crawldb
• Assignee: lufeng
• Reporter: lufeng
• Created: 03/Jul/13 14:52
• Updated: 13/Mar/24 14:51
• Resolved: 04/Jul/13 15:08

Description

the dumped metadata format is not readable.

$bin/nutch readdb crawldb/ -dump dir
http://www.baidu.com/	Version: 7
Status: 3 (db_gone)
Fetch time: Sat Aug 17 22:35:37 CST 2013
Modified time: Thu Jan 01 08:00:00 CST 1970
Retries since fetch: 0
Retry interval: 3888000 seconds (45 days)
Score: 1.0
Signature: null
Metadata: m1: v22m3: v3m2: v2m5: v5m4: m4_pst_: robots_denied(18), lastModified=0m6: v6

so I improve the Metadata format to this

Metadata: m1=v22;m3=v3;m2=v2;m5=v5;m4=m4;_pst_=robots_denied(18), lastModified=0;m6=v6;