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#!/bin/bash

if [ $# -ne 2 ]; then
    echo "Usage: gvi pattern file-extention"
    echo "eg: gvi CESC dat"
    exit 1
fi

files=`grep $1 *$2 | awk -F : '{print $1}' | uniq`
result_count=`grep $1 *$2 | awk -F : '{print $1}' | uniq | wc -l`

if [ $result_count -eq 0 ]; then
    echo 'no file mached'
    exit 0
fi

echo "list of files : $result_count"
echo $files | sed 's/ /\n/g'
echo -n "(q: quit, enter: open files with vi):"
read input

if [ $input = 'q' ]; then
    echo $input
    exit 0
fi

vi $files