# xan blank ```txt Blank down selected columns of a CSV file. That is to say, this command will redact any consecutive identical cells as per column selection. This can be useful as a presentation trick or a compression scheme. The "blank" term comes from OpenRefine and does the same thing. Usage: xan blank [options] [] xan blank --help blank options: -s, --select Selection of columns to blank down. -r, --redact Redact the blanked down values using the provided replacement string. Will default to an empty string. Common options: -h, --help Display this message -o, --output Write output to instead of stdout. -n, --no-headers When set, the file will be considered as having no headers. -d, --delimiter The field delimiter for reading CSV data. Must be a single character. ```