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46 lines
1.4 KiB
46 lines
1.4 KiB
2 years ago
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#!/bin/sh
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# This spell enchants the specified file with the given attribute and value.
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# If the attribute already exists, it is overwritten.
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# If the file or attribute does not exist, it raises an error.
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# Check that the correct number of arguments was provided
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if [ $# -lt 3 ] | [ $# -gt 4 ]; then
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echo "Error: This spell requires three or four arguments: a file path, an attribute name, and a value."
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exit 1
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fi
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# Set the file path, attribute name, and attribute value variables
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file=$1
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attribute=$2
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value=$3
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# Check that the file exists
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if [ ! -f "$file" ]; then
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echo "Error: The file does not exist."
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exit 1
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fi
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# Define a function to set the attribute value using the available commands
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set_attribute_value() {
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# Try to set the attribute using the 'attr' command
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attr -s "$1" -V "$2" "$3" 2>&1 >/dev/null ||
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# If the 'attr' command is not available, try using the 'xattr' command
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xattr -w "$1" "$2" "$3" 2>&1 > /dev/null ||
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# If the 'xattr' command is not available, try using the 'setfattr' command
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setfattr -n "$1" -v "$2" "$3" 2>&1 > /dev/null ||
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# If none of the commands are available, raise an error
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(
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echo "Error: This spell requires the 'attr', 'xattr', or 'setfattr' command to be installed."
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exit 1
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)
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}
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# Set the attribute value using the set_attribute_value function
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set_attribute_value "$attribute" "$value" "$file"
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echo "The file has been enchanted with the attribute '$attribute' and value '$value'."
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