comment = "#"

• Drop all lines that start with (e.g.) #:

read_csv(
  "# A comment I want to skip
  x,y,z
  1,2,3",
  comment = "#"
)

## Rows: 1 Columns: 3
## ── Column specification ────────────────────────────────────────────────────────
## Delimiter: ","
## dbl (3): x, y, z
## 
## ℹ Use `spec()` to retrieve the full column specification for this data.
## ℹ Specify the column types or set `show_col_types = FALSE` to quiet this message.

## # A tibble: 1 × 3
##       x     y     z
##   <dbl> <dbl> <dbl>
## 1     1     2     3