Search command line history and run

historun.sh

#!/bin/bash

IFS=$'\n'
HISTFILE=~/.zsh_history
set -o history

declare -a H
HISTORY_CMD=""


function displayList {
        IDX=0

        for cmd in ${H[@]}; do
                let IDX+=1

                if [ -n "${H[$IDX]}" ]; then
                        echo "[$IDX] ${H[$IDX]}"
                fi
        done
}


function execCommand {
        if [ -n "$1" ];
        then
                HISTORY_CMD=${H[$1]}
        fi
}


H=( $(history | grep -oE '(?)\;(.*)$' | cut -c2- | grep $1 | grep -ovE '^history(.*)' | grep -ovE '^(./historun|historun)(.*)') )
if [ ${#H[@]} -gt 0 ];
then
        displayList
else
        echo "Sorry no matches found!"
        exit
fi

read -p "Please enter your history ID, enter 'q' to cancel [q]: " HISTORY_ID


if [ $HISTORY_ID == 'q' ];
then
        exit
else
        execCommand $HISTORY_ID
fi

if [ -n "$HISTORY_CMD" ];
then
        eval $HISTORY_CMD
else
        displayList
fi