Read file in chunks in bash
How to read a file in chunks. You can optionally specify the starting point and the chunk size.
#!/bin/bash
function read_file_in_chunks { # FILENAME [START_FROM_LINE] [CHUNK_SIZE]
FILENAME="$1" && shift
START_FROM_LINE="$1" && shift || START_FROM_LINE=1
CHUNK_SIZE="$1" && shift || CHUNK_SIZE=10
FILE_LINES=$(wc -l < "${FILENAME}")
FILE_LINE=${START_FROM_LINE}
while [[ ${FILE_LINE} -le ${FILE_LINES} ]]; do
CHUNK …