h.sh

#!/bin/bash
# Search commands in history
set -e -u -o pipefail

if [ "$#" -lt 1 ]; then
    echo "Usage: $0 wordToMatch anotherWordToMatch -skipIfWordMatches +wordToMatchCaseSensitive ..."
    exit 1
fi

command="cat ~/.bash_history"

for word in "$@"; do
    if [[ $word == -* ]]; then
        command="$command | grep -vai \"${word#-}\""
    elif [[ $word == +* ]]; then
        command="$command | grep -a \"${word#+}\""
    else
        command="$command | grep -ai \"$word\""
    fi
done

# shellcheck disable=SC2086
eval $command | uniq