created strun.

a string (or file) runner.

strun.sh

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+#takes a language and a a option for file or string. If needed it creates temporary files before it (if needed compiles and) runs the file.
+
+#IMPORTANT! do add a new language to all three arrays at the same time.
+
+#array of supported languages, aliases and runner to each language, python c and c++
+languages=( "python" "py" "py3" "python3" "c"  "gcc" "c++" "cpp" "g++" )
+#array of supported file types
+filetypes=( "py" "py" "py" "py" "c" "c" "cpp" "cpp" "cpp")
+#array of runners (claunch is a custom script to take c/cpp files, compile and run, other compiled languages would eigther need to be added to claunch or have their own runners written)
+runners=( "python3"  "python3" "python3" "python3" "./claunch.sh -f --gcc" "./claunch.sh -f --gcc" "./claunch.sh -f " "./claunch.sh -f " "./claunch.sh -f ")
+
+#variables
+language=""
+filetype=""
+runner=""
+file=""
+
+
+#help message
+if [ "$1" = "help" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then
+    echo "strun uses takes a language and file or string as argument and runs the program using eigther an interpreter or a runner from a list"
+    echo "Usage: strun.sh [language] [file/string] [option]"
+    echo "language: language in which the file/string is written"
+    echo "file/string: either the path to the file or the string to execute"
+    echo "ls lists supported languages"
+    echo "option: -f for file, -s for string"
+    echo "example: strun.sh python3 -f helloworld.py"
+    echo "example: strun.sh python3 file helloworld.py"
+    echo "example: strun.sh python3 string \"print('hello world!')\""
+    exit 0
+fi
+
+#ls
+if [ "$1" = "ls" ] || [ "$1" = "-l" ] || [ "$1" = "--list" ]; then
+    echo "Supported languages:"
+    #print languages file extentions and runners /interpreters
+    for i in "${languages[@]}"
+    do
+        #like this but with the : aligned in the print echo "$i : file .${filetypes[$c]} : cmd ${runners[$c]}"
+        echo -e "$i \t: file .${filetypes[$c]} \t: runner ${runners[$c]}"
+        c=$((c+1))
+    done
+    exit 0
+fi
+
+#check if option is valid
+if [ "$2" != "-f" ] && [ "$2" != "-s" ] && [ "$2" != "file" ] && [ "$2" != "string" ]; then
+    echo "$2 is not a valid option. Use strun.sh help for help."
+    exit 1
+fi
+
+#check if language is supported and set runner and filetype
+c=0
+for i in "${languages[@]}"
+do
+    if [ "$1" = "$i" ]; then
+        language="$i"
+        filetype="${filetypes[$c]}"
+        runner="${runners[$c]}"
+    fi
+    c=$((c+1))
+done
+
+#check if language is supported
+if [ "$language" = "" ]; then
+    echo "$1 is not a supported language. Use strun.sh ls to list supported languages."
+    exit 1
+fi
+
+#if string create file else set file variable to file
+if [ "$2" = "-s" ] || [ "$2" = "string" ]; then
+    file=".strun-temp.$filetype"
+    echo "$3" > $file
+else
+    file="$3"
+fi
+
+#check if file is of correct filetype
+if [ "${file##*.}" != "$filetype" ]; then
+    echo "$file is not a $filetype file. Use strun.sh ls to list supported languages."
+    exit 1
+fi
+
+#check if file exists
+if [ ! -f "$file" ]; then
+    echo "$file does not exist."
+    exit 1
+fi
+
+#if print status
+echo "language: $language"
+echo "filetype: $filetype"
+echo "runner: $runner"
+echo "file: $file"
+echo "file content:" 
+cat $file
+echo ""
+
+#run file
+eval $runner $file
+
+#remove temp file if created
+if [ "$2" = "-s" ] || [ "$2" = "string" ]; then
+    rm $file
+fi