added initial

.gitignore

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+
+### CMake
+CMakeLists.txt.user
+CMakeCache.txt
+CMakeFiles
+CMakeScripts
+Testing
+Makefile
+cmake_install.cmake
+install_manifest.txt
+compile_commands.json
+CTestTestfile.cmake
+_deps
+
+### Vim
+# Swap
+[._]*.s[a-v][a-z]
+!*.svg  # comment out if you don't need vector files
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# Session
+Session.vim
+Sessionx.vim
+
+# Temporary
+.netrwhist
+*~
+# Auto-generated tag files
+tags
+# Persistent undo
+[._]*.un~
+
+### C++
+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app

CMakeLists.txt

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+# CMake configuration for demo project
+cmake_minimum_required(VERSION 3.16)

README.md

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+# Data collector
+
+## Task
+Implement a service that collects system information upon reception of a trigger event.
+The trigger event is raised when existence of a file with a certain name in a specified directory is detected.
+
+The following features must be implemented:
+* Trigger detection
+  * Detect creation of a file in a somehow specified directory
+  * Make the directory configurable via commandline parameter
+  * Only trigger on files with names following this format:
+    * Starts with `core.<variable name of a service>.`
+    * Ends with `lz4`
+    * Contains one or more hexadecimal id separated by dots
+    * Example: `core.ServiceName.3057.57dd721409bc4ab4b38a3c33a36a608a.3717.1647975805000000.lz4`
+* Collected data shall be:
+  * Individual files, as well as whole directories and their contents, recursively, configured via command line parameter
+* Store the collected data in a configurable directory, create a `tar`-archive of the aforementioned contents
+  * Give the resulting file a unique name.
+* Add tests to make sure your application is working,
+  * How tests are implemented is up to you
+
+## Things to keep in mind
+* Implement your collection in a way such that it can be extended to collect other data of various forms later.
+* Use modern C++!
+* Use the platform of your choice (Linux, BSD, MacOS, Windows, etc.)
+  * We use Linux but everything else is cool, too.
+