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+# read stdin, grep, include lines containing all words on the command line
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+
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+all() {
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+ # Usage: all [grep_flags] "word1" "word2" ...
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+ #
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+ # Example usage:
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+ # cat some_file.txt | all -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 all the given words
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+ local command="grep ${grep_flags[@]} -E ${words[0]}"
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+ for ((i=1; i<${#words[@]}; i++)); do
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+ command+=" | grep ${grep_flags[@]} -E ${words[i]}"
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+ done
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+
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+ eval $command
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+}
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