ASCII Characters in bash script
===============================

Public domain
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    #!/bin/bash
    
    row=25
    
    for i in $(seq 0 $row); do
      count=$i
      max=255
      while [ "$count" -le $max ]
      do
        DEC=$count
        HEX=$(echo "ibase=10;obase=16; $DEC" | bc)
        if [ "$DEC" -le "31" ] || [ "$DEC" -ge "127" -a "$DEC" -le "160" ]; then
          CHR="."
        else
          CHR="\x$HEX"
        fi
        if [ "$DEC" -ge "256" ]; then
          printf " .  .   . | " $DEC $HEX
        else
          printf "%3s%3s  $CHR | " $DEC $HEX
        fi
        let "count += $row"
        let "count += 1"
      done
      echo
    done
    
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_BY: Pejman Moghadam_  
_TAG: bash, bash-script, ascii_  
_DATE: 2009-04-25 00:17:32_