execstr

Execute Nelson code in strings.

Syntax

• execstr(str)
• execstr(str, 'nocatch')
• bSuccess = execstr(str, 'errcatch')

Input argument

• str - a string: Nelson instruction to execute

Output argument

• bSuccess - a logical: true or false if command fails

Description

execstr executes Nelson instructions given in a string.

execstr(str, 'nocatch') is equivalent to execstr(str)

execstr can be used as alternative to try ... catch ... end block.

Examples

execstr('b = ''hello''; disp(b);')

This example will fail and returns an error message.

execstr('b = yyyy')

This example will fail and returns an error message.

execstr('b = yyyy', 'nocatch')

This example will not fail and return false.

r = execstr('b = yyyy', 'errcatch')

See also

run.

History

Author

Allan CORNET