Not an editor command when passing vertical bar (or) through --query

[rcywongaa]

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I am trying to use fzf as a replacement for FSwitch for switching between header and source files

For that, I have the following line in my .vimrc

nnoremap :call fzf#vim#files('.', {'options':['--query', expand("%:r").' h$ | hpp$ | cpp$ | c$']})

However, sourcing this gives me the following error

E492: Not an editor command:  hpp$ | cpp$ | c$']})<CR>

It seems like the pipe is causing an issue. How do I correctly pass the vertical bar to the query?

Running the command directly in vim (without keybinding) works though

:call fzf#vim#files('.', {'options':['--query', expand("%:r").' h$ | hpp$ | cpp$ | c$']})<CR>

[junegunn]

See :help map-bar. I would just define a function that calls fzf#vim#files and call it instead to avoid the "escaping" issue.