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- Echo
- Displays messages on the screen
- Usage
- Echo(arg1,arg2,...,argi,...,argn)
- Arguments
- argi (ANY) : the ith arg (i = 1...n) can be of any type. The number of argument n is arbitrary, provided it is greater than or equal to 1.
- Optional Arguments
- ByteSize (INT) : This optional argument must be used when the size of the string representing an object in the list of arguments exceeds 10000 bytes (you are warned by a message whenever this occurs).
- Returned Object
- STRING
- Description
- This function can be used to build messages during some AML function computation. This is helpful while debugging AML functions to store and display intermediate results.
- Note
- These functions can be used for debugging a batch file as follows: in order to trace the different steps of a program, the user can call EchoOn() and insert debugging strings in the file. Since STRINGs objects are evaluated as strings of characters, the resulting STRING will be output to the standard output as soon as a STRING object is encountered in the batch file. When a particular debugging STRING is output to the screen, the user thus knows that a particular step of computation has been reached.
- See Also
- Display,
EchoOn,
EchoOff,
Examples
AML>a = [1,2,3]
AML>Echo("array a = ", a, "has a size = ", Size(_a))
AML>f(_x) = Switch _x \
AML>Case 1: Green
AML>Case 2: Red
AML>Case 3: Yellow
AML>Default: (m=Echo("Color not found for value ", _x);Black)
AML>f(2)
<INT> 3 # code for Red
AML>m
<STRING> m
AML>f(7)
<INT> 0 # code for Black
AML>m
<STRING> "Color not found for value 7"
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