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71 lines
2.5 KiB
71 lines
2.5 KiB
2 years ago
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#!/bin/sh
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# This spell allows you to add or remove directories from your PATH environment variable permanently.
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# It uses the 'grep' and 'sed' commands to search and edit the '.bashrc' file in your home directory.
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# Check if the correct number of arguments was provided
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if [ "$#" -ne 1 ] && [ "$#" -ne 2 ]; then
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echo "Error: This spell requires one or two arguments: 'add' or 'remove' and an optional directory path."
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exit 1
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fi
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# Set the action and directory variables
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action=$1
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directory=$2
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# Check if the action is 'add' or 'remove'
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if [ "$action" != "add" ] && [ "$action" != "remove" ]; then
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echo "Error: The first argument must be 'add' or 'remove'."
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exit 1
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fi
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# Check if the directory path was provided
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if [ -z "$directory" ]; then
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# If no directory path was provided, use the current directory
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directory=$(pwd)
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else
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# If a directory path was provided, expand the '~' character if necessary
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directory="${directory/#\~/$HOME}"
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fi
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# Check if the directory exists
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if [ ! -d "$directory" ]; then
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echo "Error: The directory does not exist."
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exit 1
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fi
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# Check if the '.bashrc' file exists in the home directory
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if [ ! -f "$HOME/.bashrc" ]; then
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echo "Error: The '.bashrc' file does not exist in your home directory."
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exit 1
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fi
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# Check if the directory is already in the PATH variable
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if grep -q "$directory" "$HOME/.bashrc"; then
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# If the directory is already in the PATH variable, check if the action is 'add'
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if [ "$action" = "add" ]; then
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echo "The directory is already in your PATH."
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exit 0
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fi
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# If the action is 'remove' and the directory is already in the PATH variable, remove the directory from the PATH variable using the 'sed' command
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sed -i "\|$directory|d" "$HOME/.bashrc"
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echo "The directory has been removed from your PATH."
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else
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# If the directory is not in the PATH variable, check if the action is 'add'
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if [ "$action" = "add" ]; then
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# If the action is 'add', append the directory to the PATH variable in the '.bashrc' file
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echo "export PATH=$PATH:$directory" >> "$HOME/.bashrc"
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echo "The directory has been added to your PATH."
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else
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# If the action is 'remove' and the directory is not in the PATH variable, display an error message
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echo "Error: The directory is not in your PATH."
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exit 1
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fi
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fi
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if [ "$action" = "add" ]; then
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echo "The changes to your PATH will not take effect until you open a new terminal or run the 'source ~/.bashrc' command in your current terminal."
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else
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echo "The changes to your PATH will not take effect until you open a new terminal."
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fi
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