Chapter 14
  
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  #!/bin/bash
  # func
  # A simple function
  repeat() {
          echo -n “I don’t know $1 $2 “
  }
  repeat Your Name
  
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  #!/bin/bash
  # nested
  # Calling one function from another
  number_one () {
          echo “This is the first function speaking...”
          number_two
  }
  number_two () {
          echo “This is now the second function speaking...”
  }
  number_one
  
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  #!/bin/bash
  # scope
  # dealing with local and global variables scope () {
          local lclVariable=1
          gblVariable=2
          echo “lclVariable in function = $lclVariable”\; echo\; “gblVariable\; in\; function\; =$gblVariable”
  }
  scope
  # We now test the two variables outside the function block to see what happens echo “lclVariable outside function = $lclVariable”\; echo\; “gblVariable\; outside\; function\; =$gblVariable”
  exit 0
  
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  scope ()
  {
          local lclVariable=1
          gblVariable=2
          echo “lclVariable in function = $lclVariable”\; echo\; “gblVariable\; in\; function\; =$gblVariable”
  }
  another_scope_function()
  {
          echo “This is another_scope_function...”
  }
  yet_another_function()
  {
          echo “This is yet_another_function...”
  }
  
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  #!/bin/bash
  # get
  # A script for demonstrating getopts
  while getopts “xy:z:” name
  do
  echo “$name”$OPTIND tmpFile function removeTemp() {
          if [ -f “$tmpFile”\; ]\; then\; echo\; “Sorting\; out\; the\; temp\; file...\; “\; rm\; -f\; “$tmpFile”
          fi
  }
  trap removeTemp 1 2
  exit 0
  
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  #!/bin/bash
  # array
  # A script for populating an array from a file
  populated=( `cat ~/tmp/sports.txt | tr ‘\n’ ‘ ‘`)
  echo $\{populated[@]\}\; exit\; 0\; --------------------------------------\; \#!/bin/bash\; -r\; \#\; This\; script\; won’t\; work\; cd\; /some/other/directory\; set\; +r\; exit\; 0\; \#!/bin/bash\; \#\; This\; script\; won’t\; work\; cd\; /some/other/directory\; echo\; “`pwd`”\; set\; -r\; cd\; echo\; “`pwd`”\; set\; +r\; exit\; 0\; --------------------------------------\; \#!/bin/bash\; \#\; echobug1\; \#\; Faulty\; echo\; shell\; set\; -x\; ech\; “Guess\; the\; secret\; color”\; set\; +x$