Remove history entries in bulk

remove_history_entries.sh

#!/usr/bin/env bash
#################################
# Remove history entries in bulk
#################################
run() {
    echo "$@"
    if [[ ! $DRY_RUN == true ]]; then
       "$@"
    fi
}

rmhist() {
    local lines=($1)

    history -r
    for line in "${lines[@]}"; do
        run history -d $line
        if [[ $? -eq 0 ]]; then
            run history -w
        else
            echo "history deletion failed for $line"
            continue
        fi
    done
}

DEBUG=0
VERBOSE=0
unset OPTIND
unset OPTARG
while getopts "dhv" opt; do
    case "${opt}" in
        d)
            DRY_RUN=true
            DEBUG=1
            ;;
        h)
            usage
            exit 1
            ;;
        v)
            set -x
            VERBOSE=1
            ;;
    esac
done
shift $((OPTIND-1))

HISTFILE=~/.bash_history

rmhist "$@"