Bashscripts.org

#!/bin/bash

if [[ $# -lt 1 ]]
then
   echo "No input was given. Please enter some numbers."
   exit
fi

while [[ $# -gt 0 ]]; do
   if [[ $1 =~ [^2-9] ]]
   then
      echo "Invalid input ($1). Only numbers between 2 and 9 are allowed."
      exit
   else
      number="$number $1"
      echo "$number"
      shift
   fi
done

cellkeys[2]="(a|b|c)"

regex="^${cellkeys[$1]}${cellkeys[$2]}${cellkeys[$3]}"
while read word
do if [[ $word =~ $regex ]]
   then echo "$word"
   fi
done < /usr/share/dict/words

#!/bin/bash
# Script for tranlating numbers to letters and looking up the possible combinations in the dictionary


trans[2]="(a|b|c)"
trans[3]="(d|e|f)"
trans[4]="(g|h|i)"
trans[5]="(j|k|l)"
trans[6]="(m|n|o)"
trans[7]="(p|q|r|s)"
trans[8]="(t|u|v)"
trans[9]="(w|x|y|z)"

i=0
j=$#
while [[ $i -ne $j ]]
do
   if [[ $1 =~ [^2-9] ]]
   then
      echo "Invalid input ($1) on position $(($i + 1)). Only numbers between 2 and 9 are allowed."
      exit
   else
      regex="$regex\${trans[$1]}"
      i=$(($i + 1))
      shift
   fi
done

###
### ALL GOOD HERE
###

#Adding a ^ and a $ to only match the exact length
regex="^$regex\$"
echo $regex
#This gives for eg. 9 6 6 6
# ^${trans[9]}${trans[6]}${trans[6]}${trans[6]}$
#But I need to have
# ^(w|x|y|z)(m|n|o)(m|n|o)(m|n|o)$
# I tried $eval but then I get
# ^(w|x|y|z)(m|n|o)(m|n|o)(m|n|o)$: command not found

#Looking up all the combinations
while read word
do
   if [[ $word =~ $regex ]]
   then
      echo $word >> words.tmp
   fi
done < /usr/share/dict/words

count=$(wc -l words.tmp | sed 's/[^[:digit:]]//g')
echo $count

if [[ $count -gt 5 ]]
then
   echo "More than five matches. You can find the words in words.tmp"
elif [[ ! -e words.tmp ]]
   echo "No matching words."
#Weird thing here aswell, I get
# syntax error near unexpected token `else'
else
   cat words.tmp
fi
rm words.tmp

   else
      regex="$regex\${trans[$1]}"

wc -l <file

#!/bin/bash

if [[ $* = *[![:digit:][:blank:]]* ]]; then
   cat >&2 << 'EOD'
          °
          |
          |
          |
  ________|__
/  ---------  \
|   _______   |
|  |I'm goi|  |
|  |ng to h|  |
|  |ang up |  |
|  |this ph|  |
|  |one... |  |
|  |_______|  |
|  o  (°)  o  |
|   _______   | 
|  | x 2 3 |  |
|  | 4 5 6 |  |
|  | 7 8 9 |  |
|  | x x x |  |
|   ```````   |
\_____________'

EOD

   printf 'usage: ./%s number1 number2 number3 ... numberN\n' "${0##*/}" >&2
   exit 1
fi

keys=( ''  ''
       abc def  ghi jkl
       mno pqrs tuv wxyz
     )

for num; do
   if ((num < 2 || num > 9)); then
      echo 'error: the numbers must be between 2 and 9, inclusive.' >&2
      exit 1
   fi
   
   pat+="[${keys[num]}]"
done

if ! grep -i "^${pat}$" /usr/share/dict/words; then
   echo 'No matches.'
   exit 1
fi

#!/bin/bash

function get_letters
{
  case "$1" in
    [!2-9]* )   printf "invalid argument '$1'!\n"
                exit 1
                ;;
  esac

  keymap[2]="[abc]"
  keymap[3]="[def]"
  keymap[4]="[ghi]"
  keymap[5]="[jkl]"
  keymap[6]="[mno]"
  keymap[7]="[pqrs]"
  keymap[8]="[tuv]"
  keymap[9]="[wxyz]"

  __get_letters=${keymap["$1"]}
  return 0
}


dict_file=/usr/share/dict/words
script_name="${0##*/}"


if [[ -z "$@" ]]
then
printf "usage: $script_name n <n> <n> <n> ...\n"
exit 0
fi

for n in $@
do
  get_letters "$n"
  word_re="${word_re}$__get_letters"
done

word_re_len=$#
while read actual_word
do
  if [ ${#actual_word} -eq $word_re_len ]
  then
    [[ "$actual_word" =~ $word_re ]] && printf "$actual_word\n"
  fi
done < "$dict_file"