echo
Sends a string or mathematical expression to the standard error stream.
Syntax
echo(expr)
Input
- expr
- A string or mathematical expression.
Example
{dx=0}
{if (dx==0)
echo("ERROR: Divide by zero")
else
a = 1/dx
endif}
Output:
ERROR: Divide by zero
Comments
When Templex encounters an echo statement in a template, expr is written to the stderr stream, unlike other Templex output which is written to stdout. This makes the echo statement useful for debugging templates. Each echo statement generates a new line.