#!/bin/bash input_file="diffs_33554432_41943040.jsonl" input_file="diffs_58720256_67108864.jsonl" input_file="diffs_0_8388608.jsonl" total_lines=8388608 num_shards=16 lines_per_shard=$((total_lines / num_shards)) start_line=1 for i in $(seq 1 $num_shards); do end_line=$((start_line + lines_per_shard - 1)) start_range=$((start_line + 0)) end_range=$((end_line + 0)) output_file="diffs_${start_range}_${end_range}.jsonl" sed -n "${start_line},${end_line}p" $input_file > $output_file start_line=$((end_line + 1)) done