duck-preview.sh

duck-preview.sh

#!/usr/bin/env bash

# exit immediately
set -e

# check if filename is provided
if [ $# -ne 1 ]; then
    echo "Usage: $0 <filename>"
    exit 1
fi

# check if file exists
if [ ! -f "$1" ]; then
    echo "File not found: $1"
    exit 1
fi

# setup
filename=$1
tmpdir=$(mktemp -d)
tmpdb=$tmpdir/duckdb.db

# cleanup for when script exits
function cleanup() {
  if [ -d "$tmpdir" ]; then
    rm -rf "$tmpdir"
  fi
}

trap cleanup EXIT

# create a temporary duckdb database and start session
echo "creating database: $tmpdb"
echo "created table: preview from $1"
duckdb $tmpdb -c "CREATE TABLE preview AS SELECT * FROM '$filename';"
duckdb $tmpdb