1 .Dd $Mdocdate: October 16 2016 $
14 utility filters lines form stdin interactively with the keyboard, and print
15 the selected line to stdout.
17 Lower case switches are for the interface, uppercase switches are for
21 Display line numbers in interface.
24 Return the line number rather than the match.
27 Return the current header that the selection belongs to in addition to the
28 match, delimited by a tab.
31 Key to use to validate current selection in addition to Enter.
34 Character separating the content from the comments. Every character after
35 the separator will be considered as comment and will be grayed and aligned
38 If a separator is at the beginning of a line (without leading space), the
39 line is considered as a section header, and it will always be displayed
40 regardless if it matches or not.
43 Number of lines to display at once. Default is 30.
51 Print the matched line to stdout and exit.
54 Print the content of the input rather than the matched line to stdout and exit.
56 .It Cm ^P / ^N, Up / Down
57 Navigate to the previous / next line.
59 .It Cm PageUp / PageDown
60 Navigate 10 lines up / down.
63 Set input to the currently highlighted candidate, then cycle through candidate
67 Delete one char backward, but if there is no char
68 backward, it should return an error code of 1.
71 Cancel, and make filter return the error code of 1.
74 Deletes the last entered word.
77 Deletes the entire input and jump to the first line.