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ol_duckdb.sh

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+#!/bin/bash
+
+# Check if exactly two arguments are provided
+if [ "$#" -ne 2 ]; then
+    echo "Usage: $0 <dump_folder> <duckdb_file>"
+    exit 1
+fi
+
+# Assign the folder and DuckDB file arguments to variables
+FOLDER=$1
+DUCKDB_FILE=$2
+
+# Check if the provided folder is a directory
+if [ ! -d "$FOLDER" ]; then
+    echo "Error: $FOLDER is not a directory"
+    exit 1
+fi
+
+# Check if pv is installed
+PV_INSTALLED=false
+if command -v pv &> /dev/null; then
+    PV_INSTALLED=true
+fi
+
+# List of table names
+TABLES=("authors" "works" "editions")
+
+# Function to process each file
+process_file() {
+    local file=$1
+    local table=$2
+
+    if $PV_INSTALLED; then
+        pv -N "$table" < "$file"
+    else
+        cat "$file"
+    fi | gunzip -c | cut -f5 | duckdb "$DUCKDB_FILE" -c "CREATE TABLE $table AS SELECT * FROM read_json_auto('/dev/stdin', union_by_name=true, ignore_errors=true);"
+}
+
+# Process each table
+for TABLE in "${TABLES[@]}"; do
+    # Search for the file using a regex pattern
+    FILE=$(ls "$FOLDER"/ol_dump_${TABLE}_*.txt.gz 2> /dev/null | head -n 1)
+    
+    # Check if the file exists
+    if [ -n "$FILE" ]; then
+        process_file "$FILE" "$TABLE"
+    else
+        echo "Warning: Dump file for $TABLE not found in $FOLDER. Skipping $TABLE."
+    fi
+done
+