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-bash/zsh: cowthink command not found # Windows (WSL2) sudo apt-get update sudo apt-get install cowsay # Debian apt-get install cowsay # Ubuntu apt-get install cowsay # Arch Linux pacman -S cowsay # Kali Linux apt-get install cowsay # Fedora dnf install cowsay # OS X brew install cowsay # Raspbian apt-get install cowsay # Dockerfile dockerfile.run/cowsay
cowthink 命令可配置的会说话/思考的牛（还有更多）。
cow{say,think} version 3.03, (c) 1999 Tony Monroe
Usage: cowthink [-bdgpstwy] [-h] [-e eyes] [-f cowfile]
[-l] [-n] [-T tongue] [-W wrapcolumn] [message]
Cowsay generates an ASCII picture of a cow saying something provided by the user. If run with no arguments, it accepts standard input, word-wraps the message given at about 40 columns, and prints the cow saying the given message on standard output. To aid in the use of arbitrary messages with arbitrary whitespace, use the -n option. If it is specified, the given message will not be word-wrapped. This is possibly useful if you want to make the cow think or speak in figlet(6). If -n is specified, there must not be any command-line arguments left after all the switches have been processed. The -W specifies roughly where the message should be wrapped. The default is equivalent to -W 40 i.e. wrap words at or before the 40th column. If any command-line arguments are left over after all switches have been processed, they become the cow's message. The program will not accept standard input for a message in this case. There are several provided modes which change the appearance of the cow depending on its particular emotional/physical state. The -b option initiates Borg mode; -d causes the cow to appear dead; -g invokes greedy mode; -p causes a state of paranoia to come over the cow; -s makes the cow appear thoroughly stoned; -t yields a tired cow; -w is somewhat the opposite of -t, and initiates wired mode; -y brings on the cow's youthful appearance. The user may specify the -e option to select the appearance of the cow's eyes, in which case the first two characters of the argument string eye_string will be used. The default eyes are 'oo'. The tongue is similarly configurable through -T and tongue_string; it must be two characters and does not appear by default. However, it does appear in the 'dead' and 'stoned' modes. Any configuration done by -e and -T will be lost if one of the provided modes is used. The -f option specifies a particular cow picture file (``cowfile'') to use. If the cowfile spec contains '/' then it will be interpreted as a path relative to the current directory. Otherwise, cowsay will search the path specified in the COWPATH environment variable. To list all cowfiles on the current COWPATH, invoke cowsay with the -l switch. If the program is invoked as cowthink then the cow will think its message instead of saying it.
cowthink 打印一头思考着的 ASCII 牛：
cowthink -d "I'm just a cow, not a great thinker..."
________________________________________
( I'm just a cow, not a great thinker... )
----------------------------------------
o ^__^
o (xx)\_______
(__)\ )\/\
U ||----w |
|| ||
cowthink 列出所有可用的艺术类型：
cowthink -l Cow files in /usr/share/cowsay/cows: apt bud-frogs bunny calvin cheese cock cower daemon default dragon dragon-and-cow duck elephant elephant-in-snake eyes flaming-sheep fox ghostbusters gnu hellokitty kangaroo kiss koala kosh luke-koala mech-and-cow milk moofasa moose pony pony-smaller ren sheep skeleton snowman stegosaurus stimpy suse three-eyes turkey turtle tux unipony unipony-smaller vader vader-koala www