table row width

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Function Names

table row width

Description

This table returns the width of a specific table row.
If a table context for partial table specifications is available, then the current table name and optionally current row number can be used as default values.

Call as: function

Restrictions

Indirect parameter passing is disabled

Parameter count

0-2

Parameters

No.TypeDescription
Opt. 1
input
string name of table

Specify the table name

Default value: If a __table context__ is available: current table name
1 / 2
input
numeral row number

Note that the first table row (header row) begins with row 0. Negative row numbers count from the bottom up. Example: -1 = last row.

Default value: If a __table context__ is available: current table row

Return value

TypeDescription
numeral Width

Number of columns in the row

Exceptions

Table not found
No context available for partial table specifications
row number is outside table boundaries

Examples

       table initialize ( table 1,
       { { Animal, leg count, hair color }, { Worm,  0}, { Bird, 2, white, brown, yellow }, { Dog, 4 }, { Fly }, {}, { Tick, 8 } } );

       echo("table 1:");
       table list ( table 1 );

       print( table row width( table 1, 1 ),", " );          // 2 (2nd row)
       print( table row width( table 1  ),  ", " );          // 3 (row 0)
       echo ( table row width( table 1, -2 ) );                // 0 (2nd last row)
       with table (table 1, 1)
       {
               print( table row width( 2 )); // 5 (Row 3)
               echo( ", ", table row width(  )); // 2 (Row 1)
       }

Output

table 1:
    0 : Animal | leg count | hair color |       |       
    1 : Worm   | 0         |            |       |       
    2 : Bird   | 2         | white      | brown | yellow
    3 : Dog    | 4         |            |       |       
    4 : Fly    |           |            |       |       
    5 :        |           |            |       |       
    6 : Tick   | 8         |            |       |       

2, 3, 0
5, 2
Try it yourself: Open LIB_Function_table_row_width.b4p in B4P_Examples.zip. Decompress before use.

See also

table min width
table max width