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import scala.sys.process._

def someProcessing(line: String): Unit = {
  print("[just read this line] ")
  println(line)
}

val file = "1.txt"

val tail = Seq("tail", "-F", file)

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val filesHere = (new java.io.File(args(0))).listFiles
def fileLines(file: java.io.File) =
  scala.io.Source.fromFile(file).getLines().toList
def grep(pattern: String) =
  for (
    file <- filesHere
    if file.getName.endsWith(".scala");
    line <- fileLines(file)
    if line.trim.matches(pattern)
) println(file + ": " + line.trim)

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def binarySearchFunctional(list: Array[Int], target: Int): Int = { 		
  def bsf(list: Array[Int], target: Int, start: Int, end: Int): Int = {
    if (start>end) return -1
    val mid = start + (end-start+1)/2
    list match {
      case (arr:Array[Int]) if (arr(mid)==target) => mid
      case (arr:Array[Int]) if (arr(mid)>target) => bsf(list, target, start, mid-1)
      case (arr:Array[Int]) if (arr(mid)<target) => bsf(list, target, mid+1, end)
    }
  }		

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package recfun

object Main {
  def main(args: Array[String]) {
    println("Pascal's Triangle")
    for (row <- 0 to 10) {
      for (col <- 0 to row)
        print(pascal(col, row) + " ")
      println()
    }

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package funsets


/**
 * 2. Purely Functional Sets.
 */
object FunSets {
  /**
   * We represent a set by its characteristic function, i.e.
   * its `contains` predicate.

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package objsets

import TweetReader._

/**
  * A class to represent tweets.
  */
class Tweet(val user: String, val text: String, val retweets: Int) {
  override def toString: String =
    "User: " + user + "\n" +

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package patmat

import common._

/**
 * Assignment 4: Huffman coding
 *
 */
object Huffman {

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package forcomp

import scala.collection.mutable


object Anagrams {

  /** A word is simply a `String`. */
  type Word = String

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Scala       14 hrs 14 mins ███████████████▊░░░░░  75.3%
YAML        2 hrs 46 mins  ███░░░░░░░░░░░░░░░░░░  14.7%
sbt         51 mins        ▉░░░░░░░░░░░░░░░░░░░░   4.6%
textmate    23 mins        ▍░░░░░░░░░░░░░░░░░░░░   2.1%
SQL         14 mins        ▎░░░░░░░░░░░░░░░░░░░░   1.3%

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import io.circe.{Decoder, Encoder}
import io.circe.syntax._

sealed trait JType

/*
    etype = "number" | "object" | "integer" | "string" | "null" | "array"
    jtype = etype | array[etype]

    see: https://json-schema.org/draft/2020-12/json-schema-validation.html#rfc.section.6.1.1