My_home_scripts/,find_string.sh

#!/bin/bash
# Coding: utf-8
# Editor: www.geany.org
# Created 2016-12-24

source $HOME/.SCR/lib.sh

echo ""
fun_echo_color 11 0 "Example: Move|Delete 19|15 16 10"
echo ""
read -p "Seeking words: " args
echo ""
num_args="$(echo "$args" | wc -w)"
arg1="$(echo "$args" | awk -F" " '{ print $1}')" 
echo "$num_args $arg1"

fun_echo_color 10 0  "Select folder to find files consist this lines:"
echo ""
echo "[1] .RES/txt"
echo "[2] .RES/dvd"
echo "[3] cloud"
echo "[4] LOG"

read ChoiceNamber

case "$ChoiceNamber" in

"1" )
    folder="$HOME/.RES/txt"
    option="-rhi"
    ;;
"2" )
    folder="$HOME/.RES/dvd"
    option="-rn"
    ;;
"3" )
    exit_cmd="y"
    until [ "$exit_cmd" == "$y" ]
    do
        echo ""
        fun_echo_color 10 0 "r. Print search results"
        fun_echo_color 10 0 "p. Print some file"
        fun_echo_color 10 0 "e. Exit"
        echo ""
        read ChoiceNamber

        case "$ChoiceNamber" in
        "r" )   egrep -riIn --include "*.txt" -A 2 --color=always "$arg1" "$HOME/cloud" | sed -e 's/\/home\/a\/cloud\///g'
            ;;
        "p" )   file="$(egrep -riInl --include "*.txt" "$arg1" "$HOME/cloud" | rofi -dmenu -width 90)"
                fun_echo_color 1 1 "*********************************************************************************************"
                cat "${file}"
                fun_echo_color 1 1 "*********************************************************************************************"
            ;;
        "e" )   exit 0
            ;;
        *   )   fun_echo_color 10 0 "You choose ${ChoiceNamber}. May be r|p|e only"
            ;;
        esac
    done
    ;;
"4" )
    folder="$HOME/LOG"
    option="-riI"
    ;;
*   )
    fun_echo_color 10 0 "You choose ${ChoiceNamber}. May be 1-4 only"
    exit 0
    ;;

esac

#   -r  выполняет рекурсивный поиск
#   -H  вызывает печать имени файла (подразумевается при поиске нескольких файлов)
#   -I  игнорировать двоичные файлы (дополнение: -a обрабатывать все файлы как текст)
#   -h  не начинать вывод с имени файла
#   -i  выполнить поиск без учета регистра
#   -n  вызывает печать номера строки

fun_find ()
{
    egrep $option --color=always "$1" $folder | sort
}

if [ $num_args == "1" ];
then
    fun_find "$arg1"
    exit 0
fi

arg2="$(echo "$args" | awk -F" " '{ print $2}')" 

if [ $num_args == "2" ];
then
    fun_find "$arg1" | egrep "$arg2"
    exit 0
fi

arg3="$(echo "$args" | awk -F" " '{ print $3}')"

if [ $num_args == "3" ];
then
    fun_find "$arg1" | egrep "$arg2" | egrep "$arg3"
    exit 0
fi