38 lines
		
	
	
	
		
			935 B
		
	
	
	
		
			Bash
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
	
		
			935 B
		
	
	
	
		
			Bash
		
	
	
	
	
	
#!/bin/bash
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num_patterns=$(( $# ))
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patterns=("${@:1:num_patterns}")
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input_file="${!num_patterns}"
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while true;do
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    echo "a. Search the patterns in the given input file."
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    echo "b. Delete all occurrences of the pattern in the given input file."
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    echo "c. Exit"
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    read choice
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    case "$choice" in
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        a)
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            echo "Searching patterns in $input_file:"
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            for pattern in "${patterns[@]}"; do
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                grep "$pattern" "$input_file"
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            done
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            ;;
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        b)
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            echo "Deleting occurrences of patterns in $input_file:"
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            for pattern in "${patterns[@]}"; do
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                sed -i "s/$pattern//g" "$input_file"
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            done
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            echo "Occurrences deleted."
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            ;;
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        c)
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            echo "Exiting..."
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            exit 0
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            ;;
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        *)
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            echo "Invalid choice. Please enter 'a', 'b', or 'c'."
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            ;;
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    esac
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done
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