Read life text file format.

Format is: rows of non-empty lines of . and O with ! headers

read_cells(txt)

Arguments

txt	incoming text as a single string

Value

matrix

See also

life_step, write_mat_region

Examples

glider <- "
.O
..O
OOO
"
read_cells(glider)
#>       [,1]  [,2]  [,3]
#> [1,] FALSE  TRUE FALSE
#> [2,] FALSE FALSE  TRUE
#> [3,]  TRUE  TRUE  TRUE