mirror of https://github.com/sbt/sbt.git
56 lines
1.0 KiB
Scala
56 lines
1.0 KiB
Scala
package sbt
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import java.io.{File, FileNotFoundException, IOException}
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object exit
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{
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def main(args: Array[String])
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{
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System.exit(java.lang.Integer.parseInt(args(0)))
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}
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}
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object cat
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{
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def main(args: Array[String])
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{
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try {
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if(args.length == 0)
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IO.transfer(System.in, System.out)
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else
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catFiles(args.toList)
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System.exit(0)
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} catch {
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case e =>
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e.printStackTrace()
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System.err.println("Error: " + e.toString)
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System.exit(1)
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}
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}
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private def catFiles(filenames: List[String]): Option[String] =
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{
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filenames match
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{
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case head :: tail =>
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val file = new File(head)
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if(file.isDirectory)
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throw new IOException("Is directory: " + file)
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else if(file.exists)
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{
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Using.fileInputStream(file) { stream =>
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IO.transfer(stream, System.out)
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}
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catFiles(tail)
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}
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else
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throw new FileNotFoundException("No such file or directory: " + file)
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case Nil => None
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}
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}
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}
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object echo
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{
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def main(args: Array[String])
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{
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System.out.println(args.mkString(" "))
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}
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} |