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#!/bin/sh
usage() {
echo
echo " Description: Pokemonsay makes a pokémon say something to you."
echo
echo " Usage: $(basename $0) [-p POKEMON_NAME] [-f COW_FILE] [-w COLUMN] [-l] [-n] [-t] [-h] [MESSAGE]"
echo
echo " Options:"
echo " -p, --pokemon POKEMON_NAME"
echo " Choose what pokemon will be used by its name."
echo " -f, --file COW_FILE"
echo " Specify which .cow file should be used."
echo " -w, --word-wrap COLUMN"
echo " Specify roughly where messages should be wrapped."
echo " -l, --list"
echo " List all the pokémon available."
echo " -n, --no-name"
echo " Do not tell the pokémon name."
echo " -t, --think"
echo " Make the pokémon think the message, instead of saying it."
echo " -h, --help"
echo " Display this usage message."
echo " MESSAGE"
echo " What the pokemon will say. If you don't provide a message, a message will be read form standard input."
exit 0
}
# Where the pokemon are.
pokemon_path=`pwd`/cows
list_pokemon() {
echo "Pokémon available in '$pokemon_path/':"
echo
all_pokemon="$(find $pokemon_path -name "*.cow" | sort)"
echo "$all_pokemon" | while read pokemon; do
pokemon=${pokemon##*/}
pokemon=${pokemon%.cow}
echo $pokemon
done
exit 0
}
# While there are arguments, keep reading them.
while [ $# -gt 0 ]
do
key="$1"
case $key in
-p|--pokemon)
POKEMON_NAME="$2"
shift; shift
;;
-p=*|--pokemon=*)
POKEMON_NAME="${1#*=}"
shift
;;
-f|--file)
COW_FILE="$2"
shift; shift
;;
-f=*|--file=*)
COW_FILE="${1#*=}"
shift
;;
-w|--word-wrap)
WORD_WRAP="$2"
shift; shift
;;
-w=*|--word-wrap=*)
WORD_WRAP="${1#*=}"
shift
;;
-l|--list)
list_pokemon
;;
-n|--no-name)
DISPLAY_NAME="NO"
shift
;;
-t|--think)
THINK="YES"
shift
;;
-h|--help)
usage
;;
-*)
echo
echo " Unknown option '$1'"
usage
;;
*)
# Append this word to the message.
if [ -n "$MESSAGE" ]; then
MESSAGE="$MESSAGE $1"
else
MESSAGE="$1"
fi
shift
;;
esac
done
# Define where to wrap the message.
if [ -n "$WORD_WRAP" ]; then
word_wrap="-W $WORD_WRAP"
fi
# Define which pokemon should be displayed.
if [ -n "$POKEMON_NAME" ]; then
pokemon_cow=$(find $pokemon_path -name "$POKEMON_NAME.cow")
elif [ -n "$COW_FILE" ]; then
pokemon_cow="$COW_FILE"
else
pokemon_cow=$(find $pokemon_path -name "*.cow" | shuf -n1)
fi
# Get the pokemon name.
filename=$(basename "$pokemon_cow")
pokemon_name="${filename%.*}"
# Call cowsay or cowthink.
if [ -n "$THINK" ]; then
cowthink -f "$pokemon_cow" $word_wrap $MESSAGE
else
cowsay -f "$pokemon_cow" $word_wrap $MESSAGE
fi
# Write the pokemon name, unless requested otherwise.
if [ -z "$DISPLAY_NAME" ]; then
echo $pokemon_name
fi