# Check if a file path is provided | |
if [ "$#" -ne 1 ]; then | |
echo "Usage: $0 <path_to_tsv_file>" | |
exit 1 | |
fi | |
# Assign the file path to a variable | |
file_path="$1" | |
# Check if the file exists | |
if [ ! -f "$file_path" ]; then | |
echo "Error: File does not exist." | |
exit 1 | |
fi | |
# Read each line from the file and count the number of fields | |
while IFS= read -r line; do | |
# Count the number of tabs, add 1 for the number of columns | |
col_count=$(echo -n "$line" | grep -o $'\t' | wc -l) | |
let col_count+=1 | |
# Check if the number of columns is 2 | |
if [ "$col_count" -ne 2 ]; then | |
echo "Error: Incorrect number of columns. Expected 4, but got $col_count in line: $line" | |
exit 1 | |
fi | |
done < "$file_path" | |
echo "All rows have the correct number of columns." | |