bw

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$ bw list items --search [github]

$ bw get item [github]

$ [echo -n '{"name":"My Folder1"}' | base64] | bw create folder

bw [width]

width
    An integer representing the desired terminal width in characters. If omitted, the command typically reports the current width.

The `bw` command (often an alias or shell function, not a standard utility) is used to set or report the terminal width. Typically, it interacts with the `COLUMNS` environment variable. When used without arguments, it usually reports the current terminal width. When used with a numeric argument, it sets the `COLUMNS` environment variable to that value, thus influencing the behavior of applications like `ls`, `man`, and other programs that dynamically format output to fit the terminal.

This command is crucial for ensuring that text-based applications display their output correctly within the boundaries of your terminal window. If your terminal window size changes, running `bw` with the new width value can resolve formatting issues, particularly when dealing with tools that cache terminal dimensions.

The `bw` command is not a standard Unix utility. It's often a custom alias or shell function defined in a user's shell configuration file (e.g., `.bashrc`, `.zshrc`). Therefore, its behavior can vary depending on how it's implemented.

The effect of changing the `COLUMNS` variable might not be immediate for all applications. Some applications cache the terminal width when they start, so you might need to restart them to see the changes.

Here are a few possible implementations of the `bw` command (as shell functions):

Bash/Zsh:

bw() {
if [ $# -eq 0 ]; then
echo "$COLUMNS"
else
COLUMNS=$1
export COLUMNS
fi
}

Alternative Bash/Zsh (using stty):

bw() {
if [ $# -eq 0 ]; then
stty size | awk '{print $2}'
else
stty cols $1
fi
}

tput(1), stty(1)