https://community.jmp.com/t5/Discussions/If-column-exists/m-p/349#M349 Use the Try() function:<BR /><BR /><!--<br />Open( "$SAMPLE_DATA/Big Class.jmp" );<br /><br />Try(<br /> Type( Column( "my col" ) );<br /> Column( "my col" ) << set values( [1, 2, 3] );,<br /> Show( "no column" )<br />);<br /><br />Try(<br /> Type( Column( "age" ) );<br /> Column( "age" ) << set values( [1, 2, 3] );,<br /> Show( "no column" )<br />);<br />--> Tue, 31 Mar 2009 20:32:42 GMT Jeff_Perkinson 2009-03-31T20:32:42Z https://community.jmp.com/t5/Discussions/If-column-exists/m-p/348#M348 Hi-<BR /><BR />Would like to write a simple statement in script like,<BR /><BR />If column_name exists then<BR /> do stuff<BR />End If<BR /><BR />Is it possible?<BR /><BR />Dave Tue, 31 Mar 2009 16:50:56 GMT https://community.jmp.com/t5/Discussions/If-column-exists/m-p/348#M348 2009-03-31T16:50:56Z https://community.jmp.com/t5/Discussions/If-column-exists/m-p/349#M349 Use the Try() function:<BR /><BR /><!--<br />Open( "$SAMPLE_DATA/Big Class.jmp" );<br /><br />Try(<br /> Type( Column( "my col" ) );<br /> Column( "my col" ) << set values( [1, 2, 3] );,<br /> Show( "no column" )<br />);<br /><br />Try(<br /> Type( Column( "age" ) );<br /> Column( "age" ) << set values( [1, 2, 3] );,<br /> Show( "no column" )<br />);<br />--> Tue, 31 Mar 2009 20:32:42 GMT https://community.jmp.com/t5/Discussions/If-column-exists/m-p/349#M349 Jeff_Perkinson 2009-03-31T20:32:42Z