Read a filesystem once where two probes were answering the same question

Arrs_Stack/arr_download_orphan_cleaner.sh

@@ -354,8 +354,7 @@ for arr in sonarr radarr lidarr; do
             big_unknown=$((big_unknown + 1))
         done < <(find "$entry" -type f -size +"${min_mb}"M 2>/dev/null)
 
-        size_mb=$(du -sm "$entry" 2>/dev/null | cut -f1)
+        size_mb=$(dir_size_mb "$entry") || size_mb=0
-        size_mb=${size_mb:-0}
 
         if [[ "$has_media" == false ]] && (( big_unknown > 0 )); then
             warn "  no recognised media, but $big_unknown large file(s) of unknown type — holding: $base"

Tools/ramdisk_stop.sh

@@ -154,9 +154,11 @@ if [[ "$SHOW_STATUS" == true ]]; then
     echo ""
 
     if mountpoint -q "$RAMDISK_PATH" 2>/dev/null; then
-        USAGE=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $3}')
+        if read -r _ USED_MB AVAIL_MB <<< "$(disk_df "$RAMDISK_PATH")" && [[ -n "$AVAIL_MB" ]]; then
-        AVAIL=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $4}')
+            echo "  $ICON_RAM  Ramdisk: mounted — $(format_mb "$USED_MB") used / $(format_mb "$AVAIL_MB") available ✅"
-        echo "  $ICON_RAM  Ramdisk: mounted — $USAGE used / $AVAIL available ✅"
+        else
+            echo "  $ICON_RAM  Ramdisk: mounted — size unreadable"
+        fi
         FILE_COUNT=$(find "$RAMDISK_PATH" -type f 2>/dev/null | wc -l)
         echo "  $ICON_RAM  Active files on ramdisk: $FILE_COUNT"
     else

Transcodes/ramdisk_setup.sh

@@ -197,9 +197,13 @@ if [[ "$SHOW_STATUS" == true ]]; then
     echo ""
 
     if mountpoint -q "$RAMDISK_PATH" 2>/dev/null; then
-        USAGE=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $3}')
+        # One df, not two — used and available come from the same read, so they cannot
-        AVAIL=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $4}')
+        # describe two different moments of a ramdisk that is actively being written to.
-        echo "  $ICON_RAM  Ramdisk: mounted — $USAGE used / $AVAIL available ✅"
+        if read -r _ USED_MB AVAIL_MB <<< "$(disk_df "$RAMDISK_PATH")" && [[ -n "$AVAIL_MB" ]]; then
+            echo "  $ICON_RAM  Ramdisk: mounted — $(format_mb "$USED_MB") used / $(format_mb "$AVAIL_MB") available ✅"
+        else
+            echo "  $ICON_RAM  Ramdisk: mounted — size unreadable"
+        fi
     else
         echo "  $ICON_RAM  Ramdisk: NOT mounted"
     fi
@@ -228,9 +232,11 @@ START=$(date +%s)
 SETUP_SUCCESS=true
 
 if mountpoint -q "$RAMDISK_PATH" 2>/dev/null; then
-    USAGE=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $3}')
+    if read -r _ USED_MB AVAIL_MB <<< "$(disk_df "$RAMDISK_PATH")" && [[ -n "$AVAIL_MB" ]]; then
-    AVAIL=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $4}')
+        log "Ramdisk already mounted — $(format_mb "$USED_MB") used / $(format_mb "$AVAIL_MB") available"
-    log "Ramdisk already mounted — $USAGE used / $AVAIL available"
+    else
+        log "Ramdisk already mounted — size unreadable"
+    fi
     log "Skipping mount — verifying symlink and permissions"
 else
     if [[ "$DRY_RUN" == true ]]; then

Transcodes/transcode_cleanup.sh

@@ -195,9 +195,11 @@ if [[ "$SHOW_STATUS" == true ]]; then
     echo ""
 
     if mountpoint -q "$RAMDISK_PATH" 2>/dev/null; then
-        USAGE=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $3}')
+        if read -r _ USED_MB AVAIL_MB <<< "$(disk_df "$RAMDISK_PATH")" && [[ -n "$AVAIL_MB" ]]; then
-        AVAIL=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $4}')
+            echo "  $ICON_RAM  Ramdisk: mounted — $(format_mb "$USED_MB") used / $(format_mb "$AVAIL_MB") available ✅"
-        echo "  $ICON_RAM  Ramdisk: mounted — $USAGE used / $AVAIL available ✅"
+        else
+            echo "  $ICON_RAM  Ramdisk: mounted — size unreadable"
+        fi
     else
         echo "  $ICON_RAM  Ramdisk: not mounted"
     fi