Merge pull request #147 from MartinBernstorff/mb/feat_add_shell_scrip…

…t_logging

add shell script logging

update_mnemonic_medium.sh

@@ -1,27 +1,54 @@
+#!/bin/zsh
 PROJECT="$(dirname "${0}")"
 LESSONS_DIR="$HOME/Library/Mobile Documents/iCloud~md~obsidian/Documents/Life Lessons iCloud" 
 RUN_EVERY_N_SECONDS=120
 
-while true; do
-    # If Anki.app is not already running, launch it
-    ANKI_COUNT=$(ps -ax | grep -c "Applications\/Anki.app")
-    if (($ANKI_COUNT == 0));
-    then
-        echo "🧠 Launching Anki"
-        open -a Anki
+# Redirect stdout ( > ) into a named pipe ( >() ) running "tee"
+exec > >(tee -a logs/shell_script.log)
+# Redirect stderr into stdout ( 2>&1 ), then redirect stdout into a named pipe running "tee"
+exec 2>&1
+
+log() {
+    # Assign the date and time stamp, in "DD:MM-HH:MM:SS" format
+    TIME_STAMP=$(date +"%d/%m %H:%M:%S")
+    # Assign the current user
+    USER=$(whoami)
+    # Write to the file *and* echo to stdout
+    mkdir -p logs
+    echo "$USER - $TIME_STAMP - $1"
+}
+
+alert_if_fails() {
+    "$@"
+    if [ $? -ne 0 ]; then
+        osascript -e 'display alert "Personal mnemonic execution failed!" message "Check in the logs for error messages"'
     fi
+}
+
+main() {
+    while true; do
+        # If Anki.app is not already running, launch it
+        ANKI_COUNT=$(ps -ax | grep -c "Applications\/Anki.app")
+        if (($ANKI_COUNT == 0));
+        then
+            log "🧠 Launching Anki"
+            open -a Anki
+        fi
+
+        log "🧠 Updating personal mnemonic medium with scripts in $PROJECT"
+        cd $PROJECT
+        source .venv/bin/activate
 
-    echo "🧠 Updating personal mnemonic medium with scripts in $PROJECT"
-    cd $PROJECT
-    source .venv/bin/activate
+        log "🧠 \"$LESSONS_DIR\""
+        python application/main.py -r "$LESSONS_DIR" -p "$PROJECT/Life.apkg"
 
-    echo "🧠 \"$LESSONS_DIR\""
-    python application/main.py -r "$LESSONS_DIR" -p "$PROJECT/Life.apkg"
+        # Send "y" keypress to Anki.app to start sync
+        # osascript -e 'tell application "Anki" to activate' 
+        # osascript -e 'tell application "System Events" to keystroke "y"'
+        log "🧠 Finished syncing"
+        sleep $RUN_EVERY_N_SECONDS
+    done
+}
 
-    # Send "y" keypress to Anki.app to start sync
-    # osascript -e 'tell application "Anki" to activate' 
-    # osascript -e 'tell application "System Events" to keystroke "y"'
-    echo "🧠 Finished syncing"
-    sleep $RUN_EVERY_N_SECONDS
-done
+alert_if_fails main