<param type="bool" direction="in" name="listunfl"><shortdescription>List unflagged row counts? If true, it can have significant negative performance impact.</shortdescription><description>List unflagged row counts? If true, it can have significant negative performance impact.</description>
<casaxml xsi:schemaLocation="http://casa.nrao.edu/schema/casa.xsd file:///opt/casa/code/xmlcasa/xml/casa.xsd" xmlns="http://casa.nrao.edu/schema/psetTypes.html" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<task type="function" name="listobs" category="information">
<shortdescription>List the summary of a data set in the logger or in a file</shortdescription>
List the summary information of a data set in the logger or in a file, based on
a data selection. Only rows can be selected and printed. No in-row selection is
possible (channel or correlation).
Lists the following properties of a measurement set:
scan list, field list, spectral window list with
correlators, antenna locations, ms table information.
<param type="path" name="vis" mustexist="true"><shortdescription>Name of input visibility file (MS)</shortdescription><description>Name of input visibility file (MS)</description>
<param type="bool" name="selectdata"><shortdescription>Data selection parameters</shortdescription><description>Data selection parameters</description>
<param type="any" name="spw" subparam="true"><shortdescription>Selection based on spectral-window/frequency/channel.</shortdescription><description>Selection based on spectral-window/frequency/channel.</description>
<type>string</type><type>stringVec</type>
<example>"1~3"</example>
<param type="any" name="field" subparam="true"><shortdescription>Selection based on field names or field index numbers. Default is all.</shortdescription><description>Selection based on field names or field index numbers. Default is all.</description>
<type>string</type><type>stringVec</type>
<example>"0~2", or "3C286"</example>
<param type="any" name="antenna" subparam="true"><shortdescription>Selection based on antenna/baselines. Default is all.</shortdescription><description>Selection based on antenna/baselines. Default is all.</description>
<type>string</type><type>stringVec</type>
<example>["3, VA04"]</example>
<param type="any" name="uvrange" subparam="true"><shortdescription>Selection based on uv range. Default: entire range. Default units: meters.</shortdescription><description>Selection based on uv range. Default: entire range. Default units: meters.</description>
<type>string</type><type>stringVec</type>
<example>"0~100klambda"</example>
<param type="any" name="timerange" subparam="true"><shortdescription>Selection based on time range. Default is entire range.</shortdescription><description>Selection based on time range. Default is entire range.</description>
<type>string</type><type>stringVec</type>
<example>"09:14:0~09:54:0"</example>
<param type="any" name="correlation" subparam="true"><shortdescription>Selection based on correlation. Default is all.</shortdescription><description>Selection based on correlation. Default is all.</description>
<type>string</type><type>stringVec</type>
<example>"RR,LL"</example>
<param type="any" name="scan" subparam="true"><shortdescription>Selection based on scan numbers. Default is all.</shortdescription><description>Selection based on scan numbers. Default is all.</description>
<type>string</type><type>stringVec</type>