how to remap key ?

[WingDust]

I want to remap ctrl-q to ctrl-o in ugrep interactive mode, how to deal with ?

Also how ugrep work like rg --column . | fzf --preview 'echo {1} ' , right side ctrl-n and ctrl-p select file and input char fuzzy match file , Enter stdout ouput like temp4.log:1:1:2 without manual select search result
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[genivia-inc]

Remapping TUI keys is not possible. Also ESC or CTRL-C work to quit (turn confirmation off in a .ugrep file with no-confirm when desired). If there are use cases that require remapping keys, then this can be requested as a new feature.

For the second question, ugrep is not meant to be a replacement for fzf, although fuzzy search is supported by ugrep and the TUI supports file (pre)views. In the TUI CTRL-Y views a selected file with more or less as a pager, in which you can specify search patterns. Other viewers can be assigned by specifying view=PAGER in the .ugrep file.

If you want to first recursively select files matching a PATTERN and then search the selected files with various (fuzzy) patterns, then use ug -l PATTERN | xargs ug -Q -Z.

It is unclear what you mean by "char fuzzy match file , Enter stdout ouput like temp4.log:1:1:2 without manual select search result".

A way to get fuzzy-matching files sorted by best match to view, you could do

$ ug -lZQ --sort=best

and then type in patterns to preview the file(s) shown in the preview screen (CTRL-T) or view them with CTRL-Y. Press CTRL-Z for help and to change search options. Press ALT-g to enter globs to select files and dirs.