Vim How to automatically return from user defined command

Question

I defined the following command to export file selection into html file and then use Google Chrome to open it for printing

command! -range WebPrint <line1>,<line2>call Print()
function! Print()
    :'<,'>TOhtml
    :wq
    :!/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome %:p.html
endfunction

One annoying thing is that every time I execute the command, the vim section is gone and I have to type Ctrl-c to go back (hitting <Enter> weirdly execute the command once again). If there a way to automatically return to vim section after the command is run?

melpomene · Accepted Answer · 2019-05-19 14:54:38Z

1

From :help call:

    When a range is given and the function doesn't handle it
    itself, the function is executed for each line in the range,

Your Print function is defined without range, so it is invoked multiple times, once for each line in the selected range.

If that's not what you want, remove <line1>,<line2>.

See also :help function-range-example.

answered May 19, 2019 at 14:54

melpomene

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2 Comments

Kevin Powell Over a year ago

I see, thanks! Now every time after I call the function, the vim session has been transferred to a bash session saying Press ENTER or type command to continue. Is there a way to automatically go back to vim session?

Randy Morris Over a year ago

Use silent !/Applications/.... Probably also with a redraw. See the last two paragraphs under :help !cmd.

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