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# usage: 
# $ gsearch your query
# => Google '"your" "query"'
gsearch () 
{ 
    ( argv=("$@");
    # arr=$(for v in "${argv[@]}"; do echo "$v"; done); \
    arr=$(for v in "${argv[@]}"; do echo "\"$v\""; done);
    str="$(IFS=" "; echo "${arr[*]}")";
    open https://www.google.co.jp/search?q="$str" )
    # サブシェルを使う（カッコで全体を囲む）ことでbashrcに記述しても変数を汚さないようにしてある
}