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#!/bin/bash
# SPDX-License-Identifier: BSD-3-Clause
#
# ghidra_index_merge.sh - merge the per-chunk decompiled_index.tsv files from
# ghidra_batch_decompile.sh into one sorted index and print coverage stats.
#
# Usage: ghidra_index_merge.sh <outdir>
set -euo pipefail
OUTDIR="${1:?usage: $0 <outdir>}"
head -1 "$OUTDIR"/index/bucket_*.tsv | head -1 > "$OUTDIR/decompiled_index.tsv"
cat "$OUTDIR"/index/bucket_*.tsv | grep -v '^addr' | sort -t$'\t' -k1,1 >> "$OUTDIR/decompiled_index.tsv"
total=$(grep -c . "$OUTDIR/decompiled_index.tsv" || true)
failed=$(grep -c $'\tfailed$' "$OUTDIR/decompiled_index.tsv" || true)
skipped=$(grep -c 'skipped-huge' "$OUTDIR/decompiled_index.tsv" || true)
echo "[index] rows=$((total-1)) failed=$failed skipped-huge=$skipped"
echo "[index] $OUTDIR/decompiled_index.tsv"
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