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This commit is contained in:
kepler155c@gmail.com 2019-03-12 02:00:07 -04:00
parent 08791e87a3
commit 86be65f026
1 changed files with 5 additions and 1 deletions
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6
sys/apis/util.lua
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@ -405,7 +405,11 @@ function Util.readFile(fname)
end end
function Util.backup(fname) function Util.backup(fname)
fs.copy(fname, fname .. '.bak') local backup = fname .. '.bak'
if backup then
fs.delete(backup)
end
fs.copy(fname, backup)
end end
function Util.writeFile(fname, data) function Util.writeFile(fname, data)