UNIX for Dummies Questions & Answers

Word="String"
read -p "Enter char: " char
chars="${chars}${char}
display=$(echo "$word" | sed "s/[^${chars}]/-/g")

for (i=1;i<${#Word};i++)

$ STR="abcdefghijklmnopqrstuvwxyz"
$ MATCH="ghi"
$ echo "${STR//[^${MATCH}]/-}"
------ghi-----------------
$

function yesSelected()
{
local word=$(randomWord)
local count=0
local countChar=0
local correctWord="n"
local chars
local attempts=10
local display
local charLower




        clear
        while [[ $correctWord = "n" && $count -lt $attempts ]]
        do
        echo $word
        gameDisplay $count $countChar $display $chars
        echo
        read -p "Please enter a character: " char
        charLower=$(echo "$char" | tr [A-Z] [a-z] )
        (( countChar=countChar + 1 ))
        if [[ "$(letterValid $charLower)" -eq 0 ]]
        then
          if [[ $chars =~ .*$charLower.* ]]
          then
          clear
          charUsed
          else
            chars="${chars}${charLower}"
            if [[ $word =~ .*$charLower.* ]]
            then
                ((count = count))
              else
                ((count = count + 1))
            fi
              display=$(echo "$word" | sed "s/[^${chars}]/-/g")
            clear
            if [ $word = $display ]
            then
              correctWord="y"
              clear
            fi
          fi
        else
          clear
          invalidErrorMessage
        fi
        done
        if [[ $count -eq 10  ]]
        then
          echo "SORRY. The word was $word."
          echo
          tooManyAttempts
          echo
          gameEnded
          else
                congratsScreen
                gameEnded
          fi
}

yesSelected

tr -c "${chars}" '[-*]'

  display=$(echo "$word" | tr -c "${chars}" '[-*]')

H A N G M A N

a cdefghijklmn pqrs uvwxz

   +---\-+
   |    \|
   O     |
  /      |
         |
         |
====================


  b_t_t_b

Enter a character, then ENTER:

#!/usr/dt/bin/dtksh
##
##  Hangman exercise.  Built on sample code from Corona668 at unix.com
##

typeset l1="   +---\-+"
typeset l2="   |    \|"
typeset l3="         |"
typeset l4="         |"
typeset l5="         |"
typeset l6="         |"
set -f  l7="        /+\"
typeset l8="       /   \"
typeset l9="===================="

IFS=
alphabet="abcdefghijklmnopqrstuvwxzy"
letterused=" "
errs=0
foundit=0

WORD="bathtub"   # Need a function to randomly pick a word.

GUESS="${WORD//[a-z]/_}" # Replace all [a-z] with _

while [[ "$GUESS" != "$WORD" ]]
do
  in=""
  while [[ "${#in}" -ne 1 ]] || [[ ! -z "${in/[a-z]}" ]]
  do
    tput clear

    printf "H A N G M A N\n\n%s\n\n" $alphabet
    printf "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n" $l1 $l2 $l3 $l4 $l5 $l6 $l7 $l8 $l9

    printf "  ${GUESS} \n\nEnter a character, then ENTER: "
    read in
  done

  # Loop through every character in $WORD, looking for the letter entered.
  for((i=0; i<${#WORD}; i++))
  do
    if [[ "${WORD:$i:1}" = "$in" ]]; then
      if [[ "${GUESS:$i:1}" = "$in" ]]; then
        print "You already guessed that!"
        sleep 1
        break;
      fi
      # i.e. replacing the first 't' in kitten.
      # ${GUESS:0:$i} gets 'ki'.
      # ${GUESS:$((i+1))} gets 'ten'.
      # We stick our guess, $in, in the middle.
      GUESS="${GUESS:0:$i}${in}${GUESS:$((i+1))}"
      foundit=1
    fi
  done
  if (( foundit )); then
    foundit=0
  else
    ((errs++))
    # Change the hangman pic to draw the man.  There must be a better way.
    case $errs in
      1) l3="${l3:0:3}O${l3:$((4))}"
         ;;
      2) l4="${l4:0:2}/${l4:$((3))}"
         ;;
      3) l4="${l4:0:3}#${l4:$((4))}"
         ;;
      4) l4="${l4:0:4}\\${l4:$((5))}"
         ;;
      5) l5="${l5:0:3}#${l5:$((4))}"
        ;;
      6) l6="${l6:0:2}/${l6:$((3))}"
         ;;
      7) l6="${l6:0:4}\\${l6:$((5))}"
         ;;
      *) break
         ;;
    esac
  fi
  # Remove the letter tried from the alphabet string.
  # Loop through every character in $alphabet.
  for((j=0; j<${#alphabet}; j++))
  do
    if [[ "${alphabet:$j:1}" = "$in" ]]; then
      alphabet="${alphabet:0:$j}${letterused}${alphabet:$((j+1))}"
    fi
  done
done

if (( errs > 6 ));then
  print "You lose; the word is $WORD\n"
else
  print "You got it!  $GUESS\n"
fi