tool to create a large test file

tools/create-large-test-file.sh

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+#!/bin/bash
+
+# Check if the input file and number of repetitions are provided
+if [ "$#" -ne 3 ]; then
+    printf "\033[0;31mUsage: $0 <filename> <number_of_repetitions>\033[0m\n"
+    exit 1
+fi
+
+input_file=$1
+repetitions=$2
+output_file=$3
+
+# Check if the input file exists
+if [ ! -f "$input_file" ]; then
+    printf "\033[0;31mError: File '$input_file' not found.\033[0m\n"
+    exit 1
+fi
+
+# Clear the output file if it already exists
+> "$output_file"
+
+# Concatenate the file with itself specified number of times
+for (( i=0; i<repetitions; i++ ))
+do
+    cat "$input_file" >> "$output_file"
+done
+
+printf "\033[0;32mSuccessfully created '$output_file'.\033[0m\n"