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#!/usr/bin/env bash
# ─── wave_view.sh ────────────────────────────────────────────────────────────────
# Open a VCD/FST waveform file in GTKWave
#
# Usage: ./scripts/wave_view.sh [waveform_file]
# ./scripts/wave_view.sh # opens latest .vcd in waves/
# ─────────────────────────────────────────────────────────────────────────────────
set -euo pipefail
WAVES_DIR="$(dirname "$0")/../waves"
VIEWER="${WAVE_VIEWER:-gtkwave}"
if [ $# -ge 1 ]; then
WAVE_FILE="$1"
else
# Open the most recently modified waveform file
WAVE_FILE=$(ls -t "$WAVES_DIR"/*.vcd "$WAVES_DIR"/*.fst 2>/dev/null | head -1)
if [ -z "$WAVE_FILE" ]; then
echo "No waveform files found in $WAVES_DIR"
exit 1
fi
fi
echo "[wave_view] Opening: $WAVE_FILE"
$VIEWER "$WAVE_FILE" &
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