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Log file access
During work can be such situations, when it is necessary to get access to a file with current data (current log file) from other applications (for example, for data processing). However, while you are accessing the current log file Advanced TCP/IP Data Logger can't write data to a log file and all data at this moment will be lost. We recommend using a temporary file for data storage. It is the safest way. (fig. 4.2.1).
Fig. 4.2.1 File access mode.
You can select one from the following variants:
•Ignore and not write - in this mode, the program stop writing to a log file until it is locked. Therefore, data will be lost.
•Write to a temporary file, then append - a temporary file will be created, to which writing will be done. After access to the current file will be got, temporary file content will be added to the end of the main file. However, mind that if file has a timestamp in the name, there can be a situation when the program copies the content of a temporary file to a new log file, for the next time.
•Display a message and stop work - data will be lost until the dialog window is closed.
You can define your message text, which will be displayed at writing error to a log file. The sound signal can be on for an additional indication. You can also enable writing a message to a protocol file.