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#!/bin/bash
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# Script author: Joseph Steinhauser
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# Lightly edited by ABS Guide author, but not commented.
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# Used in ABS Guide with permission.
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#-------------------------------------------------------------------------
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#-- File: ascii.sh Print ASCII chart, base 10/8/16 (JETS-2012)
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#-------------------------------------------------------------------------
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#-- Usage: ascii [oct|dec|hex|help|8|10|16]
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#--
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#-- This script prints out a summary of ASCII char codes from Zero to 127.
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#-- Numeric values may be printed in Base10, Octal, or Hex.
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#--
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#-- Format Based on: /usr/share/lib/pub/ascii with base-10 as default.
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#-- For more detail, man ascii . . .
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#-------------------------------------------------------------------------
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[ -n "$BASH_VERSION" ] && shopt -s extglob
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case "$1" in
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oct|[Oo]?([Cc][Tt])|8) Obase=Octal; Numy=3o;;
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hex|[Hh]?([Ee][Xx])|16|[Xx]) Obase=Hex; Numy=2X;;
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help|?(-)[h?]) sed -n '2,/^[ ]*$/p' $0;exit;;
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code|[Cc][Oo][Dd][Ee])sed -n '/case/,$p' $0;exit;;
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*) Obase=Decimal
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esac # CODE is actually shorter than the chart!
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printf "\t\t## $Obase ASCII Chart ##\n\n"; FM1="|%0${Numy:-3d}"; LD=-1
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AB="nul soh stx etx eot enq ack bel bs tab nl vt np cr so si dle"
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AD="dc1 dc2 dc3 dc4 nak syn etb can em sub esc fs gs rs us sp"
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for TOK in $AB $AD; do ABR[$((LD+=1))]=$TOK; done;
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ABR[127]=del
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IDX=0
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while [ $IDX -le 127 ] && CHR="${ABR[$IDX]}"
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do ((${#CHR}))&& FM2='%-3s'|| FM2=`printf '\\\\%o ' $IDX`
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printf "$FM1 $FM2" "$IDX" $CHR; (( (IDX+=1)%8))||echo '|'
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done
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exit $?
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#!/bin/bash
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# ASCII table script, using awk.
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# Author: Joseph Steinhauser
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# Used in ABS Guide with permission.
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#-------------------------------------------------------------------------
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#-- File: ascii Print ASCII chart, base 10/8/16 (JETS-2010)
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#-------------------------------------------------------------------------
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#-- Usage: ascii [oct|dec|hex|help|8|10|16]
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#--
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#-- This script prints a summary of ASCII char codes from Zero to 127.
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#-- Numeric values may be printed in Base10, Octal, or Hex (Base16).
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#--
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#-- Format Based on: /usr/share/lib/pub/ascii with base-10 as default.
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#-- For more detail, man ascii
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#-------------------------------------------------------------------------
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[ -n "$BASH_VERSION" ] && shopt -s extglob
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case "$1" in
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oct|[Oo]?([Cc][Tt])|8) Obase=Octal; Numy=3o;;
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hex|[Hh]?([Ee][Xx])|16|[Xx]) Obase=Hex; Numy=2X;;
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help|?(-)[h?]) sed -n '2,/^[ ]*$/p' $0;exit;;
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code|[Cc][Oo][Dd][Ee])sed -n '/case/,$p' $0;exit;;
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*) Obase=Decimal
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esac
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export Obase # CODE is actually shorter than the chart!
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awk 'BEGIN{print "\n\t\t## "ENVIRON["Obase"]" ASCII Chart ##\n"
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ab="soh,stx,etx,eot,enq,ack,bel,bs,tab,nl,vt,np,cr,so,si,dle,"
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ad="dc1,dc2,dc3,dc4,nak,syn,etb,can,em,sub,esc,fs,gs,rs,us,sp"
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split(ab ad,abr,",");abr[0]="nul";abr[127]="del";
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fm1="|%0'"${Numy:- 4d}"' %-3s"
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for(idx=0;idx<128;idx++){fmt=fm1 (++colz%8?"":"|\n")
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printf(fmt,idx,(idx in abr)?abr[idx]:sprintf("%c",idx))} }'
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exit $?
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#!/bin/bash
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# bingo.sh
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# Bingo number generator
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# Reldate 20Aug12, License: Public Domain
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#######################################################################
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# This script generates bingo numbers.
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# Hitting a key generates a new number.
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# Hitting 'q' terminates the script.
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# In a given run of the script, there will be no duplicate numbers.
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# When the script terminates, it prints a log of the numbers generated.
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#######################################################################
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MIN=1 # Lowest allowable bingo number.
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MAX=75 # Highest allowable bingo number.
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COLS=15 # Numbers in each column (B I N G O).
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SINGLE_DIGIT_MAX=9
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declare -a Numbers
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Prefix=(B I N G O)
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initialize_Numbers ()
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{ # Zero them out to start.
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# They'll be incremented if chosen.
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local index=0
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until [ "$index" -gt $MAX ]
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do
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Numbers[index]=0
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((index++))
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done
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Numbers[0]=1 # Flag zero, so it won't be selected.
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}
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generate_number ()
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{
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local number
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while [ 1 ]
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do
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let "number = $(expr $RANDOM % $MAX)"
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if [ ${Numbers[number]} -eq 0 ] # Number not yet called.
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then
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let "Numbers[number]+=1" # Flag it in the array.
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break # And terminate loop.
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fi # Else if already called, loop and generate another number.
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done
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# Exercise: Rewrite this more elegantly as an until-loop.
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return $number
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}
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print_numbers_called ()
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{ # Print out the called number log in neat columns.
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# echo ${Numbers[@]}
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local pre2=0 # Prefix a zero, so columns will align
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#+ on single-digit numbers.
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echo "Number Stats"
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for (( index=1; index<=MAX; index++))
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do
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count=${Numbers[index]}
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let "t = $index - 1" # Normalize, since array begins with index 0.
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let "column = $(expr $t / $COLS)"
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pre=${Prefix[column]}
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# echo -n "${Prefix[column]} "
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if [ $(expr $t % $COLS) -eq 0 ]
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then
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echo # Newline at end of row.
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fi
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if [ "$index" -gt $SINGLE_DIGIT_MAX ] # Check for single-digit number.
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then
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echo -n "$pre$index#$count "
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else # Prefix a zero.
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echo -n "$pre$pre2$index#$count "
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fi
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done
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}
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# main () {
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RANDOM=$$ # Seed random number generator.
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initialize_Numbers # Zero out the number tracking array.
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clear
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echo "Bingo Number Caller"; echo
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while [[ "$key" != "q" ]] # Main loop.
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do
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read -s -n1 -p "Hit a key for the next number [q to exit] " key
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# Usually 'q' exits, but not always.
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# Can always hit Ctl-C if q fails.
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echo
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generate_number; new_number=$?
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let "column = $(expr $new_number / $COLS)"
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echo -n "${Prefix[column]} " # B-I-N-G-O
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echo $new_number
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done
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echo; echo
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# Game over ...
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print_numbers_called
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echo; echo "[#0 = not called . . . #1 = called]"
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echo
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exit 0
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# }
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# Certainly, this script could stand some improvement.
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#See also the author's Instructable:
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#www.instructables.com/id/Binguino-An-Arduino-based-Bingo-Number-Generato/
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