4 files changed, 63 insertions, 17 deletions
diff --git a/internal/collector/parse_test.go b/internal/collector/parse_test.go
index ec77067..fe7a73c 100644
--- a/internal/collector/parse_test.go
+++ b/internal/collector/parse_test.go
@@ -44,29 +44,31 @@ func TestParseCPULine(t *testing.T) {
 
 func TestParseMemLine(t *testing.T) {
 	tests := []struct {
+		name      string
 		line      string
 		wantKey   string
 		wantValue int64
 		wantOK    bool
 	}{
-		{"MemTotal:       123456 kB", "MemTotal", 123456, true},
-		{"MemFree:         99999 kB", "MemFree", 99999, true},
-		{"Buffers:             0 kB", "Buffers", 0, true},
-		{"not a mem line", "", 0, false},
-		{"", "", 0, false},
+		{"MemTotal", "MemTotal:       123456 kB", "MemTotal", 123456, true},
+		{"MemFree", "MemFree:         99999 kB", "MemFree", 99999, true},
+		{"Buffers_zero", "Buffers:             0 kB", "Buffers", 0, true},
+		{"not_a_mem_line", "not a mem line", "", 0, false},
+		{"empty_string", "", "", 0, false},
 	}
 	for _, tt := range tests {
-		got, ok := ParseMemLine(tt.line)
-		if ok != tt.wantOK {
-			t.Errorf("ParseMemLine(%q) ok = %v, want %v", tt.line, ok, tt.wantOK)
-			continue
-		}
-		if !tt.wantOK {
-			continue
-		}
-		if got.Key != tt.wantKey || got.Value != tt.wantValue {
-			t.Errorf("ParseMemLine(%q) = %+v, want key=%q value=%d", tt.line, got, tt.wantKey, tt.wantValue)
-		}
+		t.Run(tt.name, func(t *testing.T) {
+			got, ok := ParseMemLine(tt.line)
+			if ok != tt.wantOK {
+				t.Fatalf("ParseMemLine(%q) ok = %v, want %v", tt.line, ok, tt.wantOK)
+			}
+			if !tt.wantOK {
+				return
+			}
+			if got.Key != tt.wantKey || got.Value != tt.wantValue {
+				t.Errorf("ParseMemLine(%q) = %+v, want key=%q value=%d", tt.line, got, tt.wantKey, tt.wantValue)
+			}
+		})
 	}
 }
 
diff --git a/internal/collector/script_embed.go b/internal/collector/script_embed.go
new file mode 100644
index 0000000..168ca37
--- /dev/null
+++ b/internal/collector/script_embed.go
@@ -0,0 +1,9 @@
+package collector
+
+import _ "embed"
+
+// RemoteScript is the loadbars-remote.sh script embedded for local and SSH execution.
+// Path is relative to this file's directory (internal/collector).
+//
+//go:embed scriptdata/loadbars-remote.sh
+var RemoteScript []byte
diff --git a/internal/collector/scriptdata/loadbars-remote.sh b/internal/collector/scriptdata/loadbars-remote.sh
new file mode 100644
index 0000000..9037ad8
--- /dev/null
+++ b/internal/collector/scriptdata/loadbars-remote.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+# loadbars-remote.sh - Emits loadbars protocol (M LOADAVG, M MEMSTATS, M NETSTATS, M CPUSTATS)
+# for local or remote execution. No Perl required.
+# Usage: bash loadbars-remote.sh
+# Interval for CPU sampling (seconds)
+INTERVAL=0.14
+
+while true; do
+  # Load average: first 3 fields of /proc/loadavg joined by ;
+  echo "M LOADAVG"
+  read -r l1 l5 l15 _ < /proc/loadavg 2>/dev/null || true
+  echo "${l1:-0};${l5:-0};${l15:-0}"
+
+  # Memory: full /proc/meminfo
+  echo "M MEMSTATS"
+  cat /proc/meminfo 2>/dev/null || true
+
+  # Network: /proc/net/dev, skip 2 header lines, then "iface: rx... tx..."
+  echo "M NETSTATS"
+  while IFS= read -r line; do
+    line="${line/:/ }"
+    set -- $line
+    # $1=iface, $2=rx_bytes $3=rx_packets $4=rx_errs $5=rx_drop ... $10=tx_bytes $11=tx_packets $12=tx_errs $13=tx_drop
+    if [ -n "$2" ] || [ -n "${10:-}" ]; then
+      echo "$1:b=${2:-0};tb=${10:-0};p=${3:-0};tp=${11:-0} e=${4:-0};te=${12:-0};d=${5:-0};td=${13:-0}"
+    fi
+  done < <(tail -n +3 /proc/net/dev 2>/dev/null)
+
+  # CPU: /proc/stat, 20 times with INTERVAL sleep
+  echo "M CPUSTATS"
+  for _ in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
+    cat /proc/stat 2>/dev/null || true
+    sleep "$INTERVAL" 2>/dev/null || true
+  done
+done
diff --git a/internal/collector/types.go b/internal/collector/types.go
index b0db600..13bcb1f 100644
--- a/internal/collector/types.go
+++ b/internal/collector/types.go
@@ -7,7 +7,7 @@ type CPULine struct {
 }
 
 // Total returns sum of all CPU counters.
-func (c *CPULine) Total() int64 {
+func (c CPULine) Total() int64 {
 	return c.User + c.Nice + c.System + c.Idle + c.Iowait + c.IRQ + c.SoftIRQ + c.Steal + c.Guest + c.GuestNice
 }