txt-splitter.sh

#!/bin/bash

# You can convert any csv file into a txt file by changing the extension to .txt
# Look for a file called file.txt
FILE=$(ls -1 | grep file.txt)
NAME=${FILE%%.txt}

# Save the first line in the file as your header 
head -1 $FILE > header.txt
# Save the rest of file (line 2 and on) as your data file
tail -n +2 $FILE > data.txt

# Split data at every X number of lines
split -l 14500 data.txt

# Iterate over each split file
for a in x??
    do
        # Add the header to each new file
        cat header.txt $a > $NAME.$a.txt
    done

# Remove the data file used to split