Besides type in cmdline directly, I also use

vnoremap <F2> :<c-u>exec join(getline("'<","'>"),"\n")<CR>
nnoremap <F2> :exec getline(".")<CR>
nnoremap <F3> :.w !sed 's/\r$// ; s/^\s*\$\s*\(.*\)\s*/\1/' \|bash -o pipefail<CR>

to run vim/shell command in current buffer. eg,

  • <F2> to run current line as vim command.
  • <F3> to run current line as shell command.
  • 4<F3> to run curent line and 3 lines below it as shell command.

So how can I disable expansion of %,

  • at cmdline, eg :!awk 'BEGIN { print 4 % 3} '
  • exec + getline()
  • 1
    simply escape it :) Oct 12 '17 at 10:30
  • Yes, that is exactly what I did, escaping them, either individually, or s/%/\\%/g when multiple ones.
    – qeatzy
    Oct 12 '17 at 10:39

escape(getline('.'), '%')

See :h escape() for more information

  • See also shellescape(), eg, let cmd = shellescape(join( getline(a:firstline,a:lastline), "\n"),1), other item that might be of interest is v:count, func-range, and function-range-example.
    – qeatzy
    Oct 12 '17 at 13:51

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