### Script Usage Example

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Integrate cowsay into shell scripts to provide friendly status messages during execution, such as before starting a process or after completion.

```bash
#!/bin/bash
# deploy.sh - A deployment script with personality

cowsay -f dragon "Starting deployment..."

if ./run-tests.sh; then
    cowsay "All tests passed!"
    ./deploy-to-production.sh
    cowsay -f stegosaurus "Deployment complete!"
else
    cowsay -d "Tests failed. Deployment aborted."
    exit 1
fi
```

--------------------------------

### Install Cowsay using Make

Source: https://github.com/cowsay-org/cowsay/blob/main/README.md

Standard installation method for Cowsay using the make utility. Specify a custom prefix if needed.

```bash
make install
```

```bash
make install prefix=/path/to/installation/prefix
```

--------------------------------

### Install Cowsay using Homebrew

Source: https://github.com/cowsay-org/cowsay/blob/main/README.md

Installs Cowsay on macOS and Linux systems using the Homebrew package manager.

```bash
brew install cowsay
```

--------------------------------

### List Available Cowfiles

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Display all installed cow characters using the -l flag.

```bash
# Human-readable format (when output is a terminal)
cowsay -l

# Output:
# Cow files in /usr/local/share/cowsay/cows:
# actually alpaca beavis.zen bill blowfish bong bud-frogs bunny chami
# cheese cower cupcake daemon default dragon dragon-and-cow elephant
# elephant-in-snake eyes flaming-sheep fox ghostbusters head-in
# hellokitty kiss kitty koala kosh llama luke-koala mech-and-cow meow
# milk moofasa moose mutilated ren sans sheep skeleton small stegosaurus
# stimpy supermilker surgery sus three-eyes turkey turtle tux udder
# vader vader-koala www

# Parseable format (when piped or redirected)
cowsay -l | head -5
# Output (one cow per line):
# actually
# alpaca
# beavis.zen
# bill
# blowfish
```

--------------------------------

### Piping and Redirection with Cowsay

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Use cowsay with standard Unix pipes and redirection to capture output to files or process data streams. This example pipes syslog data through cowsay.

```bash
# Capture output to a file
cowsay "Saved message" > moo.txt
```

```bash
# Use in a pipeline
cat /var/log/syslog | tail -1 | cowsay
```

```bash
# Combine with other text utilities
echo "IMPORTANT" | tr '[:lower:]' '[:upper:]' | cowsay -f daemon
```

--------------------------------

### Shell Integration for Login Messages

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Add cowsay to shell configuration files like .bashrc or .zshrc for dynamic login greetings. This example uses fortune and a random cow.

```bash
if command -v cowsay &> /dev/null && command -v fortune &> /dev/null; then
    fortune | cowsay -f $(cowsay -l | shuf -n 1)
fi
```

--------------------------------

### System-Wide Cowpath Configuration

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Administrators can add system-wide cowfile search paths by creating .path files in the cowpath.d directory.

```bash
# File: /etc/cowsay/cowpath.d/extra-cows.path
# (or /usr/local/etc/cowsay/cowpath.d/extra-cows.path for non-/usr prefixes)

# Contents - one directory path per line:
/opt/extra-cows/animals
/opt/extra-cows/characters
```

--------------------------------

### Open Development for Next Release

Source: https://github.com/cowsay-org/cowsay/blob/main/doc-project/Release Checklist.md

Prepares the project for the next development cycle by updating version numbers and rebuilding man pages. This is typically done for major or minor releases.

```bash
make man
```

--------------------------------

### Homebrew License Configuration

Source: https://github.com/cowsay-org/cowsay/blob/main/doc-project/Licensing.md

A configuration snippet representing the Homebrew maintainers' interpretation of the project's license.

```license
any_of: ["Artistic-1.0-Perl", "GPL-1.0-or-later"]
```

--------------------------------

### Exercise All Cows

Source: https://github.com/cowsay-org/cowsay/blob/main/doc-project/Release Checklist.md

Iterates through all available cowsay characters and displays their output. This is useful for testing the functionality of each cow.

```bash
for cow in $(cowsay -l); do echo "${cow}:"; cowsay -f "$cow" moo; echo ''; done
```

--------------------------------

### GPLv3 ChangeLog Entry

Source: https://github.com/cowsay-org/cowsay/blob/main/doc-project/Licensing.md

A snippet from the project ChangeLog indicating a shift to GPLv3 licensing.

```text
  - Licensing terms have changed to GPLv3.
```

--------------------------------

### MOTD Script with Cowsay

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Create a Message of the Day (MOTD) script that uses cowsay to display system information like hostname and uptime with different cow characters.

```bash
#!/bin/bash
echo "Welcome to $(hostname)!" | cowsay -f tux
uptime | cowsay -f small
```

--------------------------------

### Git Tagging a Release

Source: https://github.com/cowsay-org/cowsay/blob/main/doc-project/Release Checklist.md

Tags a specific release version in git. Ensure the tag format is 'vX.Y.Z'.

```bash
git tag vX.Y.Z
```

--------------------------------

### Create a Simple Custom Cowfile

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Define a custom cowfile by assigning ASCII art to the $the_cow variable within a Perl code block. Ensure the file has a .cow extension.

```perl
# File: my-cow.cow
# A simple custom cow
$the_cow = <<"EOC";
        $thoughts   ^__^
         $thoughts  ($eyes)\\_______
            (__)\\       )\/\
             $tongue ||----w |
                ||     ||
EOC
```

--------------------------------

### Display Messages with Cowsay

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Render text in a speech bubble using the default cow character via command-line arguments or standard input.

```bash
# Message from command line arguments
cowsay "Hello, World!"

# Output:
#  _______________
# < Hello, World! >
#  ---------------
#         \   ^__^
#          \  (oo)\_______
#             (__)\       )\/
#                 ||----w |
#                 ||     ||

# Message from stdin
echo "Moo!" | cowsay

# Multi-line messages are automatically word-wrapped at 40 columns
cowsay "This is a longer message that will be automatically wrapped to fit within the default column width"
```

--------------------------------

### Cowfile Creation Rules

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Follow these rules for creating cowfiles: double backslashes, escape special characters (@, $, &), use the .cow extension, and test with `cowsay -f`.

```perl
# File: escaped.cow
# Rules for cowfile creation:

# 1. Backslashes must be doubled
$the_cow = <<"EOC";
    $thoughts
     $thoughts
       /\ 
      /  \     <- This requires: /\\ 
     /----\        in the actual file: /  \\ 
EOC

# 2. Special characters must be escaped
# Escape @ $ and & with backslashes:
#   \@ \$ \&

# 3. File must end with .cow extension to be recognized

# 4. Test your cowfile:
# cowsay -f /path/to/your/custom.cow "Test message"
```

--------------------------------

### Configure COWPATH Environment Variable

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Set the COWPATH environment variable to specify custom directories for cowfiles. Use COWSAY_ONLY_COWPATH to exclusively use these paths.

```bash
export COWPATH="/home/user/my-cows:/opt/extra-cows"
```

```bash
cowsay -l
```

```bash
export COWSAY_ONLY_COWPATH=1
```

```bash
export COWPATH="/home/user/my-cows"
```

```bash
cowsay -f mycow "Only searches my directory"
```

--------------------------------

### Select Cow Characters

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Change the displayed character using the -f flag followed by the cowfile name or path.

```bash
# Use the Tux (Linux penguin) cow
cowsay -f tux "Linux rules!"

# Output:
#  ______________
# < Linux rules! >
#  --------------
#    \
#     \
#         .--.
#        |o_o |
#        |:_/ |
#       //   \ \
#      (|     | )
#     /'\_   _/`\
#     \___)=(___/

# Use a dragon
cowsay -f dragon "Fear me!"

# Use a specific cowfile path
cowsay -f /path/to/custom.cow "Custom cow!"
```

--------------------------------

### Fortune Cookie Integration

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Combine cowsay with the 'fortune' command to display random quotes. Options include random cows (-r) and dead cows (-d).

```bash
fortune | cowsay
```

```bash
fortune | cowsay -r
```

```bash
fortune -o | cowsay -d
```

--------------------------------

### Custom Cowfile with Variables

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Utilize special variables like $thoughts, $eyes, and $tongue within a cowfile to allow for dynamic customization of the cow's appearance.

```perl
# File: robot.cow
# Available variables:
#   $thoughts - The trail leading to the speech bubble (\ or o)
#   $eyes     - Two-character eye string (default: oo)
#   $tongue   - Two-character tongue string (default: two spaces)

$the_cow = <<"EOC";
    $thoughts
     $thoughts
      ___
     [o_o]   <- uses $eyes here would be: [$eyes]
     |___|
    /|   |\
      | |
      |_
EOC
```

--------------------------------

### Apply Emotional Modes

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Modify the cow's appearance using preset emotional flags.

```bash
# Borg mode - robotic eyes (==)
cowsay -b "Resistance is futile"

# Dead mode - X eyes and tongue out (xx, U)
cowsay -d "I'm not feeling well..."

# Greedy mode - dollar sign eyes ($$)
cowsay -g "Show me the money!"

# Paranoid mode - at-sign eyes (@@)
cowsay -p "They're watching me..."

# Stoned mode - star eyes and tongue (**, U)
cowsay -s "Whoa dude..."

# Tired mode - dash eyes (--)
cowsay -t "So sleepy..."

# Wired mode - wide eyes (OO)
cowsay -w "TOO MUCH COFFEE!"

# Young mode - dot eyes (..)
cowsay -y "I'm just a calf"
```

--------------------------------

### Original Cowsay License Statement

Source: https://github.com/cowsay-org/cowsay/blob/main/doc-project/Licensing.md

The initial licensing terms for Cowsay, which mirrored the Perl licensing model.

```text
cowsay is distributed under the same licensing terms as Perl: the
Artistic License or the GNU General Public License.  If you don't
want to track down these licenses and read them for yourself, use
the parts that I'd prefer[...]
```

--------------------------------

### Display Messages with Cowthink

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Use the cowthink command to render text in a thought bubble instead of a speech bubble.

```bash
cowthink "I wonder what's for dinner..."

# Output:
#  ________________________________
# ( I wonder what's for dinner... )
#  --------------------------------
#         o   ^__^
#          o  (oo)\_______
#             (__)\       )\/
#                 ||----w |
#                 ||     ||
```

--------------------------------

### Custom Wrap Width with -W

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Control the column width at which text wraps using the -W flag. Specify the desired column number.

```bash
cowsay -W 20 "This message will wrap at a narrower width than the default"
```

```bash
cowsay -W 60 "This message has more room before wrapping occurs"
```

--------------------------------

### Select Random Cow

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Use the -r flag to select a random character, with an optional -C flag to include truecolor cows.

```bash
# Select a random cow (excludes truecolor cows by default)
cowsay -r "Surprise!"

# Include truecolor (24-bit color) cows in random selection
cowsay -r -C "Full color surprise!"
```

--------------------------------

### Combine Custom Eyes and Tongue

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Use the -e and -T flags to specify custom eyes and tongue characters for the cow's expression.

```bash
cowsay -e "< >" -T "~ /" "Confused and silly"
```

--------------------------------

### Customize Eyes and Tongue

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Manually define the eye and tongue characters using the -e and -T flags.

```bash
# Custom eyes (first two characters of the string are used)
cowsay -e "^^" "Happy cow!"

# Custom tongue (two character string)
cowsay -T "U " "Sticking out tongue"
```

--------------------------------

### Disable Word Wrapping with -n

Source: https://context7.com/cowsay-org/cowsay/llms.txt

Use the -n flag to disable word wrapping, preserving pre-formatted text like ASCII art. This is often used with figlet.

```bash
figlet "MOO" | cowsay -n
```

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