aboutsummaryrefslogtreecommitdiff
path: root/ponysay
blob: 6f1cf4e249e9b368cc35b87b6cc8e573e7f4d101 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
#!/usr/bin/env bash

version=0.9
SYSTEMPONIES=/usr/share/ponies
HOMEPONIES="${HOME}/.ponies"
pony="*"
wrap=

if [ "$TERM" = "linux" ]; then
    SYSTEMPONIES=/usr/share/ttyponies
    HOMEPONIES="${HOME}/.ttyponies"
fi

cmd=cowsay
[[ ${0} == *ponythink ]] && cmd=cowthink

version() {
    echo "ponysay v$version"
}

list() {
    echo "ponyfiles located in $SYSTEMPONIES:"
    ls -1 $SYSTEMPONIES | sed "s/.pony//"
    if [[ -d $HOMEPONIES ]]; then
	echo "ponyfiles located in $HOMEPONIES:"
	ls -1 $HOMEPONIES | sed "s/.pony//"
    fi
}

usage() {
    version
    cat <<EOF

Usage:
${0##*/} [options] [message]

If [message] is not provided, reads the message from STDIN

Options:
  -v          Show version and exit
  -h          Show this help and exit
  -l          List ponyfiles.
  -f[name]    Select a pony (Either a filename or a pony name)
  -W[column]  The screen column where the message should be wrapped
EOF
}

# if no stdin and no arguments then print usage and exit
if [[ -t 0 && $# == 0 ]]; then
  usage
  exit
fi

say() {
    # Ponies use UTF-8 drawing characters. Prevent a Perl warning.
    export PERL_UNICODE=S
    
    if [ "$TERM" = "linux" ]; then
    	echo -ne '\ec'
    fi
    
    exec "$cmd" -f "$pony" "${wrap:+-W$wrap}" | (ponysaytruncater `tput cols || echo 0` 2>/dev/null ||
	                                         ${HOME}/.local/bin/ponysaytruncater `tput cols || echo 0` 2>/dev/null ||
						 ./ponysaytruncater `tput cols || echo 0` 2>/dev/null ||
						 cat)
}

while getopts f:W:lhv OPT
do
    case ${OPT} in
        v)  version; exit ;;
        h)  usage; exit ;;
        f)  pony="$OPTARG" ;;
	l)  list; exit ;;
        W)  wrap="$OPTARG" ;;
        \?) usage >&2; exit 1 ;;
    esac
done
shift $((OPTIND - 1))

if ! hash $cmd &>/dev/null; then
    cat >&2 <<EOF
You don't seem to have the $cmd program.
Please install it in order to use this wrapper.

Alternatively, symlink it to '$cmd' in anywhere in \$PATH
if it actually exists under a different filename.
EOF
    exit 1
fi

if [[ ! -f $pony ]]; then
    # Pony not a file? Search for it

    ponies=()
    [[ -d $SYSTEMPONIES ]] && ponies+=( "$SYSTEMPONIES"/$pony.pony )
    [[ -d $HOMEPONIES ]] && ponies+=( "$HOMEPONIES"/$pony.pony )

    if (( ${#ponies} < 1 )); then
        echo >&2 "All the ponies are missing! Call the Princess!"
        exit 1
    fi

    # Choose a random pony
    pony="${ponies[$RANDOM%${#ponies[@]}]}"
fi

if [[ -n "$*" ]]; then
  # Handle a message given via arguments
  say <<<"$*"
else
  say
fi