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The message "Script error" only occurs when the test data triggers an invalid section of Lua code, so an untested module could contain many hidden bugs, only revealed when broader test data activates more areas of the source code, or uses more internal functions.
The name "NodeMCU" combines "node" and "MCU" (micro-controller unit). [8] Strictly speaking, the term "NodeMCU" refers to the firmware rather than the associated development kits. [citation needed] Both the firmware and prototyping board designs are open source. [8] The firmware uses the Lua scripting language. The firmware is based on the eLua ...
This allows Lua to be used for packet filtering and creating device drivers. [19] [20] [21] nmap network security scanner uses Lua as the basis for its scripting language, called nse. [22] NodeMCU uses Lua in hardware. NodeMCU is an open source hardware platform, which can run Lua directly on the ESP8266 Wi-Fi SoC. [23] NUT allows Applications ...
Almost any problem which occurs when running a Lua module will be reported as "Script error" during program execution, such as invalid data or a misspelled variable name in the Lua source code.
Lua patterns are not even a subset of regular expressions, as there are also discrepancies, like Lua using the escape character % instead of \,, and additions, like Lua providing -as a non-greedy version of *. Here is a list of some of the things that Lua patterns lack compared to regular expressions:
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»In computing, a newline, also known as a line ending, end of line (EOL), or line break, is a special character or sequence of characters signifying the end of a line of text and the start of a new line. The actual codes representing a newline vary across operating systems, which can be a problem when exchanging text files between systems with ...