bash 取得 linux 核心版本

:;function fun_uname { :;local v;read v </proc/version;v=${v#*version };v=${v%% *};echo $v; return 0;};

bash read 游標範例

while true ;do
read -n3 a
[ "$a" = $'\x1b[B' ]&&echo = down =
[ "$a" = $'\e[A' ]&&echo = up =
done

Bash 取得指令真正路徑

:;function fun_getcmdpath { :;local _t=$(type -P $1 2>/dev/null); [ $? -eq 0 ] && echo $_t;};

Bash script 複製來源檔案的目錄結構

:;function fun_pathcp { :;_d=${1%*/*};[ $1 = $_d ] && _d=".";mkdir -p /$2/$_d;cp -fcp $1 /$2/$_d/;};

BASH 4 讀取 HTTP 資料

exec 6<>/dev/tcp/www.google.com/80
echo "GET / HTTP/1.1
host:www.google.com

" >&6

TIMEOUT=3;
while read -t $TIMEOUT <&6;do echo $REPLY && TIMEOUT=0.05; done
exec 6<&- && exec 6>&-;

BASH 摘要－讀取檔案中每一行

while read i
do
  echo $i;
done < filename