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Make os.remove behave more like Files.deleteIfExists, add checkExists flag to fall back to old behavior #89

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merged 1 commit into from
Dec 9, 2021
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Make os.remove behave more like Files.deleteIfExists, add checkExists flag to fall back to old behavior #89

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14 changes: 11 additions & 3 deletions os/src/FileOps.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -280,8 +280,16 @@ object copy {
* any files or folders in the target path, or
* does nothing if there aren't any
*/
object remove extends Function1[Path, Unit]{
def apply(target: Path): Unit = Files.delete(target.wrapped)
object remove extends Function1[Path, Boolean]{
def apply(target: Path): Boolean = apply(target, false)
def apply(target: Path, checkExists: Boolean = false): Boolean = {
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if (checkExists) {
Files.delete(target.wrapped)
true
}else{
Files.deleteIfExists(target.wrapped)
}
}

object all extends Function1[Path, Unit]{
def apply(target: Path) = {
Expand All @@ -290,7 +298,7 @@ object remove extends Function1[Path, Unit]{
val nioTarget = target.wrapped
if (Files.exists(nioTarget, LinkOption.NOFOLLOW_LINKS)) {
if (Files.isDirectory(nioTarget, LinkOption.NOFOLLOW_LINKS)) {
walk.stream(target, preOrder = false).foreach(remove)
walk.stream(target, preOrder = false).foreach(remove(_))
}
Files.delete(nioTarget)
}
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5 changes: 4 additions & 1 deletion os/test/src/OpTests.scala
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Expand Up @@ -27,9 +27,12 @@ object OpTests extends TestSuite{
test("rm"){
// shouldn't crash
os.remove.all(os.pwd/"out"/"scratch"/"nonexistent")
// shouldn't crash
os.remove(os.pwd/"out"/"scratch"/"nonexistent") ==> false

// should crash
intercept[NoSuchFileException]{
os.remove(os.pwd/"out"/"scratch"/"nonexistent")
os.remove(os.pwd/"out"/"scratch"/"nonexistent", checkExists = true)
}
}
}
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