Example FileIO openLog 001

The openLog function writes to a file the displayed strings on the console.

By default, the logs are appended to myLogfile.txt if it is already existing. Also, timestamps are included for each line

(openLog "myLogfile.txt")

Returns: true

The "Hello World" displayed on the console is written to "myLogfile.txt"

(writeln "Hello World")

Returns: HelloWorld

Close the log file "myLogfile.txt"

(closeLog)

Returns: true

Open log file "myLogfile.txt" and clear its previous contents. Timestamps are not included for each line to be logged.

(openLog "myLogfile.txt" clear: notiming:)

Returns: true

The "Hello World" displayed on the console is written to "myLogfile.txt" without the timestamp

(writeln "Hello World")

Returns: HelloWorld

Close the log file "myLogfile.txt" with a note "Closing this log."

(closeLog "Closing this log.")

Returns: true

Here are examples of the openLog function at work.

Here is the link to the current function used in this example.

Here are a number of links to other related functions.

Here are the links to the data types of the arguments used in this example.

Here are a number of links to examples having similar argument types.

AIS Component Systems

Smartbase Engine

QT C++ Libraries

MySQL Relational Database

AIS Lisp Libraries

Rapid Analytic Demo IDE