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romainl/isdiff.vim

Created August 13, 2016 12:24
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Diff detection in vimscript
Raw
isdiff.vim
" this should echo '1' when entering 'diff mode' and '0' otherwise
function! IsDiff(opt)
let isdiff = 0
if v:progname =~ "diff"
let isdiff = isdiff + 1
endif
if &diff == 1
let isdiff = isdiff + 1
endif
if a:opt =~ "scrollopt"
if &scrollopt =~ "hor"
let isdiff = isdiff + 1
endif
endif
return isdiff
endfunction
autocmd! VimEnter,OptionSet * echom IsDiff(expand('<amatch>'))
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romainl commented Jan 26, 2022

:help v:argv should help, nowadays.

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