Entering columns definitions

Enter the define command  <"columns" define!columns@"columns" columns@"columns" to begin entry of column definitions. All entries until the next "define" subcommand are column definitions. There are four styles of column definition lines. They have the general syntax  «name> <type> 〈<length>〉 〈"format" <format>〉 where <format> is the optional, default format for the column. Table [*] shows the syntax of format specifications. format

Figure: Column format syntax
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Define a text column with  «name> "text"
<#chars>
"var"
〈"format" <format>〉 where "var" indicates a variable length string. Table [*] shows the syntax of format specifications.

Define a scaler column with  «name>
"int"
"real"
"double"
"date"
"time"
〈"format" <format>〉

Define a vector column with  «name>
"ivec"
"rvec"
"dvec"
<#cols>
"var"
〈"format" <format>〉 where "var" indicates a variable length vector.

Define a matrix column with  «name>
"imat"
"rmat"
"dmat"
<#rows>", "<#cols>
<#rows>", var"
"var, var"
〈"format" <format>〉 where "var" indicates a variable length matrix row or column.