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@@ -0,0 +1,47 @@
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+# read stdin, grep out all words on the command line
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+
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+no() {
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+ # Usage: no [grep_flags] "word1" "word2" ...
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+ #
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+ # Example usage:
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+ # cat some_file.txt | no -i "word1" "word2"
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+ #
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+ #
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+ # Insipred by Marcus Ranum's "Artificial Ignornace":
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+ # https://www.ranum.com/security/computer_security/papers/ai/
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+ #
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+ # source this file to define the alias.
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+
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+ local words=()
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+ local grep_flags=()
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+
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+ # Separate grep flags from words
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+ while [ $# -gt 0 ]; do
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+ case "$1" in
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+ -*)
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+ # Argument is a flag (starts with -)
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+ grep_flags+=("$1")
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+ shift
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+ ;;
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+ *)
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+ # Argument is a word
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+ words+=("$1")
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+ shift
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+ ;;
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+ esac
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+ done
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+
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+ # Construct a grep pattern that matches any of the given words
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+ local grep_pattern=""
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+ for word in "${words[@]}"; do
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+ if [ -n "$grep_pattern" ]; then
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+ grep_pattern="${grep_pattern}|${word}"
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+ else
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+ grep_pattern="${word}"
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+ fi
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+ done
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+
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+ # Use grep with specified flags to filter out lines that contain
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+ # any of the specified words
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+ grep "${grep_flags[@]}" -Ev "($grep_pattern)"
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+}
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