feat(bkgpslog): Remove termproary working dir at end

- Remove temporary working directory at end of main function.

- Initialize option variables in case they are set earlier.

- Add `--temp-dir` option to permit user to specify temporary working
directory.

diff --git a/exec/bkgpslog b/exec/bkgpslog
index db2e6a4b5be3c88ce685bc5915cb45e35e4a7229..8d0f16f147ad28a41e15058600043cc7a3c9e956 100755 (executable)
--- a/exec/bkgpslog
+++ b/exec/bkgpslog
@@ -22,6 +22,9 @@ declare -Ag dirRollCall # Associative array for storing dir status
 declare -a recPubKeys # for processArguments function
 declare recipients # for main function
 
+## Initialize variables
+OPTION_VERBOSE=""; OPTION_ENCRYPT=""; OPTION_COMPRESS=""; OPTION_TMPDIR="";
+
 #===BEGIN Declare local script functions===
 checkapp() {
     # Desc: If arg is a command, save result in assoc array 'appRollCall'
@@ -204,6 +207,7 @@ processArguments() {
                recPubKeys+=("$2"); vbm "pubkey added:""$2"; shift;;
            -c | --compress) OPTION_COMPRESS="true"; vbm "DEBUG:Compressed output mode enabled.";;
            -z | --time-zone) try setTimeZoneEV "$1";;
+           -t | --temp-dir) OPTION_TMPDIR="true" && TMP_DIR_PRIORITY="$1";;
            *) echoerr "ERROR: Unrecognized argument."; exit 1;; # Handle unrecognized options.
        esac
        shift
@@ -602,18 +606,31 @@ setScriptTTL() {
 } # Seconds until next (day|hour).
 main() {
     processArguments "$@" # Process arguments.
-
+    
     # Determine working directory
+    ## Set DIR_TMP_PARENT to user-specified value if specified
+    if [[ "$OPTION_TMPDIR" = "true" ]]; then
+           if [[ -d "$TMP_DIR_PRIORITY" ]]; then
+           DIR_TMP_PARENT="$OPTION_TMPDIR"; 
+       else
+           yell "WARNING:Specified temporary working directory not valid:$OPTION_TMP_DIR";
+           exit 1;
+       fi
+    fi
+
+    ## Set DIR_TMP_PARENT to default or fallback otherwise
     if [[ -d "$DIR_TMP_DEFAULT" ]]; then
-       DIR_TMP_BASE="$DIR_TMP_DEFAULT"; # Use default working directory parent (ex: '/dev/shm')
-    #### elif [[ -d /tmp ]]; then
-    ####       yell "WARNING:/dev/shm not available. Falling back to /tmp .";
-    ####       DIR_TMP_BASE="/tmp";
+       DIR_TMP_PARENT="$DIR_TMP_DEFAULT";
+    elif [[ -d /tmp ]]; then
+       yell "WARNING:/dev/shm not available. Falling back to /tmp .";
+       DIR_TMP_PARENT="/tmp";
     else
        yell "ERROR:No valid working directory available. Exiting.";
        exit 1;
     fi
-    DIR_TMP="$DIR_TMP_BASE"/"$SCRIPT_TIME_START""..bkgpslog";     # Define working directory for temproary files
+
+    ## Set DIR_TMP using DIR_TMP_PARENT and nonce (SCRIPT_TIME_START)
+    DIR_TMP="$DIR_TMP_PARENT"/"$SCRIPT_TIME_START""..bkgpslog"; # Note: removed at end of main().
     
     # Set output encryption and compression option strings
     if [[ "$OPTION_ENCRYPT" = "true" ]]; then # Check if encryption option active.
@@ -715,6 +732,9 @@ main() {
        unset bufferBash FILEOUT_BASENAME PATHOUT_NMEA PATHOUT_GPX PATHOUT_KML PATHOUT_TAR;
        ((debugCounter++))
     done
+
+    # Remove DIR_TMP
+    try rm -r "$DIR_TMP";
 } # Main function.
 #===END Declare local script functions===
 #==END Define script parameters==