 Tip #212: Setting file attributes without reloading a buffer
| tip karma |
Rating 14/8, Viewed by 885
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| created: |
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February 7, 2002 6:14 |
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complexity: |
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intermediate |
| author: |
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Max Ischenko |
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as of Vim: |
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6.0 |
While creating scripts and others executable files with Vim it is needed to set UNIX executable bit on the file.
You can do this from inside Vim with :!chmod a+x %. The % represents current buffer's filename.
The problem is that Vim will notice attribute changes and prompt you to reload a file. If you do this, your undo history for the file will be lost.
The following function facilitate changing executable attributes without reloading a buffer.
Thanks to Bram for the algorithm for this function.
fun! SetExecutableBit()
let fname = expand("%:p")
:checktime
exec "au FileChangedShell " . fname . " :echo"
:silent !chmod a+x %
:checktime
exec "au! FileChangedShell " . fname
endfun
" Create an EX command that will call the function.
command -nargs=0 Xbit call SetExecutableBit()
Now you can type :Xbit to make the file executable!
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