Mercurial > hg > Members > nobuyasu > scala
comparison chapter7/someGenerator.scala @ 0:b316eec6fa7a draft default tip
add sample files
| author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 08 Jan 2013 16:41:46 +0900 |
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| children |
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| -1:000000000000 | 0:b316eec6fa7a |
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| 1 val filesHere = (new java.io.File(".")).listFiles | |
| 2 def fileLines(file: java.io.File) = | |
| 3 scala.io.Source.fromFile(file).getLines.toList | |
| 4 def grep(pattern: String) = | |
| 5 for ( | |
| 6 file <- filesHere | |
| 7 if file.getName.endsWith(".scala"); | |
| 8 line <- fileLines(file) | |
| 9 if line.trim.matches(pattern) | |
| 10 ) println(file +": "+ line.trim) | |
| 11 grep(".*gcd.*") | |
| 12 | |
| 13 def grep2(pattern: String) = | |
| 14 for { | |
| 15 file <- filesHere | |
| 16 if file.getName.endsWith(".scala") | |
| 17 line <- fileLines(file) | |
| 18 trimmed = line.trim | |
| 19 if trimmed.matches(pattern) | |
| 20 } println(file +": "+ trimmed) | |
| 21 grep2(".*gcd.*") | |
| 22 | |
| 23 | |
| 24 | |
| 25 | |
| 26 |