ansi-utils.md
In cli: Helpers for Developing Command Line Interfaces

re_table

Code
  tbl2
Output
        start end   length                                
  text1 "19"  "23"  "5"    "\033[31m"                     
  text2 "27"  "31"  "5"    "\033[39m"                     
  text3 "48"  "52"  "5"    "\033[32m"                     
  text4 "58"  "62"  "5"    "\033[39m"                     
  text5 "74"  "98"  "25"   "\033]8;;https://example.com\a"
  text6 "103" "108" "6"    "\033]8;;\a"

Code
  non_matching(list(tbl), txt)
Output
  [[1]]
       start end length
  [1,]     1  18     18
  [2,]    24  26      3
  [3,]    32  47     16
  [4,]    53  57      5
  [5,]    63  73     11
  [6,]    99 102      4

re_table special cases

Code
  tbl
Output
       start end length

Code
  non_matching(list(tbl), txt)
Output
  [[1]]
       start end length
  [1,]     1   6      6

Code
  non_matching(list(tbl), txt, empty = TRUE)
Output
  [[1]]
       start end length
  [1,]     1   6      6

Code
  tbl
Output
       start end length
  [1,]     1   5      5
  [2,]    12  16      5

Code
  non_matching(list(tbl), txt)
Output
  [[1]]
       start end length
  [1,]     6  11      6

Code
  non_matching(list(tbl), txt, empty = TRUE)
Output
  [[1]]
       start end length
  [1,]     1   0      0
  [2,]     6  11      6
  [3,]    17  16      0

Code
  tbl
Output
       start end length
  [1,]     5   9      5
  [2,]    10  14      5

Code
  non_matching(list(tbl), txt)
Output
  [[1]]
       start end length
  [1,]     1   4      4
  [2,]    15  18      4

Code
  non_matching(list(tbl), txt, empty = TRUE)
Output
  [[1]]
       start end length
  [1,]     1   4      4
  [2,]    10   9      0
  [3,]    15  18      4

myseq

Code
  myseq(1, 5)
Output
  [1] 1 2 3 4 5
Code
  myseq(1, 1)
Output
  [1] 1
Code
  myseq(1, 0)
Output
  integer(0)
Code
  myseq(1, 5, 2)
Output
  [1] 1 3 5
Code
  myseq(1, 6, 2)
Output
  [1] 1 3 5
Code
  myseq(1, 1, 2)
Output
  [1] 1
Code
  myseq(1, 2, -1)
Output
  integer(0)
Code
  myseq(10, 1, -1)
Output
   [1] 10  9  8  7  6  5  4  3  2  1
Code
  myseq(10, 1, -2)
Output
  [1] 10  8  6  4  2
Code
  myseq(1, 5, -2)
Output
  integer(0)