★★raspberry pi 3 ハイレゾ stretch

http://inaba.hatenablog.com/entry/2016/12/13/023251を参考にして

SWAPが少なすぎるし　かつ　マイクロSDメモリでは　これがこわれちゃうので
（マイクロSDメモリには　システムがはいってる）
SWAPを本体から　分離する

cat /etc/rc.local 

.
_IP=$(hostname -I) || true
if [ "$_IP" ]; then
  printf "My IP address is %s\n" "$_IP"
fi
swapon /dev/sda2
service dphys-swapfile stop
exit 0

http://www.denshi.club/pc/audio/raspberry-pii2s-dac.html　より

sudo apt-get -y update
sudo apt-get -y upgrade
sudo rpi-update

$ ls -l  /lib/modules/4....-v7+/kernel/sound/soc/bcm/
total 356
-rw-r--r-- 1 root root  7684 Jul 20 16:02 snd-soc-adau1977-adc.ko
-rw-r--r-- 1 root root 12528 Jul 20 16:02 snd-soc-allo-boss-dac.ko
-rw-r--r-- 1 root root 10720 Jul 20 16:02 snd-soc-allo-digione.ko
-rw-r--r-- 1 root root  8592 Jul 20 16:02 snd-soc-allo-piano-dac.ko
-rw-r--r-- 1 root root 19396 Jul 20 16:02 snd-soc-allo-piano-dac-plus.ko
-rw-r--r-- 1 root root 13248 Jul 20 16:02 snd-soc-audioinjector-octo-soundcard.ko
-rw-r--r-- 1 root root 10104 Jul 20 16:02 snd-soc-audioinjector-pi-soundcard.ko
-rw-r--r-- 1 root root 13468 Jul 20 16:02 snd-soc-bcm2835-i2s.ko
-rw-r--r-- 1 root root 16092 Jul 20 16:02 snd-soc-digidac1-soundcard.ko
-rw-r--r-- 1 root root  7872 Jul 20 16:02 snd-soc-dionaudio-loco.ko
-rw-r--r-- 1 root root  8704 Jul 20 16:02 snd-soc-dionaudio-loco-v2.ko
-rw-r--r-- 1 root root  8628 Jul 20 16:02 snd-soc-fe-pi-audio.ko
-rw-r--r-- 1 root root  9896 Jul 20 16:02 snd-soc-googlevoicehat-codec.ko
-rw-r--r-- 1 root root  8240 Jul 20 16:02 snd-soc-googlevoicehat-soundcard.ko
-rw-r--r-- 1 root root  7848 Jul 20 16:02 snd-soc-hifiberry-amp.ko
-rw-r--r-- 1 root root  8028 Jul 20 16:02 snd-soc-hifiberry-dac.ko
-rw-r--r-- 1 root root 11424 Jul 20 16:02 snd-soc-hifiberry-dacplus.ko
-rw-r--r-- 1 root root 11020 Jul 20 16:02 snd-soc-hifiberry-digi.ko
-rw-r--r-- 1 root root 11180 Jul 20 16:02 snd-soc-iqaudio-dac.ko
-rw-r--r-- 1 root root 10508 Jul 20 16:02 snd-soc-iqaudio-digi.ko
-rw-r--r-- 1 root root  9204 Jul 20 16:02 snd-soc-justboom-dac.ko
-rw-r--r-- 1 root root  9180 Jul 20 16:02 snd-soc-justboom-digi.ko
-rw-r--r-- 1 root root 26244 Jul 20 16:02 snd-soc-pisound.ko
-rw-r--r-- 1 root root  9528 Jul 20 16:02 snd-soc-raspidac3.ko
-rw-r--r-- 1 root root 23584 Jul 20 16:02 snd-soc-rpi-cirrus.ko
-rw-r--r-- 1 root root  7628 Jul 20 16:02 snd-soc-rpi-dac.ko
-rw-r--r-- 1 root root  8312 Jul 20 16:02 snd-soc-rpi-proto.ko

ゆえ

./comment-out.bat /etc/modules
i2c-dev
snd-soc-hifiberry-dacplus

ls  -l  /boot/overlays

total 269

-rwxr-xr-x 1 root root  1027 Jul 20 16:02 adau1977-adc.dtbo

-rwxr-xr-x 1 root root  1587 Jul 20 16:02 adau7002-simple.dtbo

-rwxr-xr-x 1 root root  2425 Jul 20 16:02 ads1015.dtbo

-rwxr-xr-x 1 root root  2425 Jul 20 16:02 ads1115.dtbo

-rwxr-xr-x 1 root root  2426 Jul 20 16:02 ads7846.dtbo

-rwxr-xr-x 1 root root  1387 Jul 20 16:02 akkordion-iqdacplus.dtbo

-rwxr-xr-x 1 root root  1473 Jul 20 16:02 allo-boss-dac-pcm512x-audio.dtbo

-rwxr-xr-x 1 root root  1208 Jul 20 16:02 allo-digione.dtbo

-rwxr-xr-x 1 root root  1011 Jul 20 16:02 allo-piano-dac-pcm512x-audio.dtbo

-rwxr-xr-x 1 root root  1585 Jul 20 16:02 allo-piano-dac-plus-pcm512x-audio.dtbo

-rwxr-xr-x 1 root root  1668 Jul 20 16:02 at86rf233.dtbo

-rwxr-xr-x 1 root root  1972 Jul 20 16:02 audioinjector-addons.dtbo

-rwxr-xr-x 1 root root   787 Jul 20 16:02 audioinjector-wm8731-audio.dtbo

-rwxr-xr-x 1 root root   575 Jul 20 16:02 audremap.dtbo

-rwxr-xr-x 1 root root   449 Jul 20 16:02 bmp085_i2c-sensor.dtbo

-rwxr-xr-x 1 root root   983 Jul 20 16:02 dht11.dtbo

-rwxr-xr-x 1 root root   663 Jul 20 16:02 dionaudio-loco.dtbo

-rwxr-xr-x 1 root root  1027 Jul 20 16:02 dionaudio-loco-v2.dtbo

-rwxr-xr-x 1 root root   765 Jul 20 16:02 dpi18.dtbo

-rwxr-xr-x 1 root root   789 Jul 20 16:02 dpi24.dtbo

-rwxr-xr-x 1 root root   852 Jul 20 16:02 dwc2.dtbo

-rwxr-xr-x 1 root root   423 Jul 20 16:02 dwc-otg.dtbo

-rwxr-xr-x 1 root root  1403 Jul 20 16:02 enc28j60.dtbo

-rwxr-xr-x 1 root root  1279 Jul 20 16:02 enc28j60-spi2.dtbo

-rwxr-xr-x 1 root root  1932 Jul 20 16:02 fe-pi-audio.dtbo

-rwxr-xr-x 1 root root  1437 Jul 20 16:02 goodix.dtbo

-rwxr-xr-x 1 root root  1259 Jul 20 16:02 googlevoicehat-soundcard.dtbo

-rwxr-xr-x 1 root root  1036 Jul 20 16:02 gpio-ir.dtbo

-rwxr-xr-x 1 root root   901 Jul 20 16:02 gpio-poweroff.dtbo

-rwxr-xr-x 1 root root  1250 Jul 20 16:02 gpio-shutdown.dtbo

-rwxr-xr-x 1 root root   779 Jul 20 16:02 hifiberry-amp.dtbo

-rwxr-xr-x 1 root root   655 Jul 20 16:02 hifiberry-dac.dtbo

-rwxr-xr-x 1 root root  1693 Jul 20 16:02 hifiberry-dacplus.dtbo

-rwxr-xr-x 1 root root   959 Jul 20 16:02 hifiberry-digi.dtbo

-rwxr-xr-x 1 root root  1125 Jul 20 16:02 hifiberry-digi-pro.dtbo

-rwxr-xr-x 1 root root  2468 Jul 20 16:02 hy28a.dtbo

-rwxr-xr-x 1 root root  2939 Jul 20 16:02 hy28b.dtbo

-rwxr-xr-x 1 root root  1182 Jul 20 16:02 i2c0-bcm2708.dtbo

-rwxr-xr-x 1 root root   854 Jul 20 16:02 i2c1-bcm2708.dtbo

-rwxr-xr-x 1 root root   270 Jul 20 16:02 i2c-bcm2708.dtbo

-rwxr-xr-x 1 root root   991 Jul 20 16:02 i2c-gpio.dtbo

-rwxr-xr-x 1 root root  2185 Jul 20 16:02 i2c-mux.dtbo

-rwxr-xr-x 1 root root   644 Jul 20 16:02 i2c-pwm-pca9685a.dtbo

-rwxr-xr-x 1 root root  3442 Jul 20 16:02 i2c-rtc.dtbo

-rwxr-xr-x 1 root root  4143 Jul 20 16:02 i2c-rtc-gpio.dtbo

-rwxr-xr-x 1 root root  2864 Jul 20 16:02 i2c-sensor.dtbo

-rwxr-xr-x 1 root root   343 Jul 20 16:02 i2s-gpio28-31.dtbo

-rwxr-xr-x 1 root root  1272 Jul 20 16:02 iqaudio-dac.dtbo

-rwxr-xr-x 1 root root  1511 Jul 20 16:02 iqaudio-dacplus.dtbo

-rwxr-xr-x 1 root root  1326 Jul 20 16:02 iqaudio-digi-wm8804-audio.dtbo

-rwxr-xr-x 1 root root  1276 Jul 20 16:02 justboom-dac.dtbo

-rwxr-xr-x 1 root root   955 Jul 20 16:02 justboom-digi.dtbo

-rwxr-xr-x 1 root root  1348 Jul 20 16:02 lirc-rpi.dtbo

-rwxr-xr-x 1 root root  1329 Jul 20 16:02 mcp23017.dtbo

-rwxr-xr-x 1 root root 15229 Jul 20 16:02 mcp23s17.dtbo

-rwxr-xr-x 1 root root  1833 Jul 20 16:02 mcp2515-can0.dtbo

-rwxr-xr-x 1 root root  1833 Jul 20 16:02 mcp2515-can1.dtbo

-rwxr-xr-x 1 root root  4237 Jul 20 16:02 mcp3008.dtbo

-rwxr-xr-x 1 root root   720 Jul 20 16:02 midi-uart0.dtbo

-rwxr-xr-x 1 root root   857 Jul 20 16:02 midi-uart1.dtbo

-rwxr-xr-x 1 root root  1099 Jul 20 16:02 mmc.dtbo

-rwxr-xr-x 1 root root   796 Jul 20 16:02 mpu6050.dtbo

-rwxr-xr-x 1 root root  2850 Jul 20 16:02 mz61581.dtbo

-rwxr-xr-x 1 root root   569 Jul 20 16:02 pi3-act-led.dtbo

-rwxr-xr-x 1 root root   818 Jul 20 16:02 pi3-disable-bt.dtbo

-rwxr-xr-x 1 root root   265 Jul 20 16:02 pi3-disable-wifi.dtbo

-rwxr-xr-x 1 root root  1105 Jul 20 16:02 pi3-miniuart-bt.dtbo

-rwxr-xr-x 1 root root  2617 Jul 20 16:02 piscreen2r.dtbo

-rwxr-xr-x 1 root root  2713 Jul 20 16:02 piscreen.dtbo

-rwxr-xr-x 1 root root  2454 Jul 20 16:02 pisound.dtbo

-rwxr-xr-x 1 root root  1544 Jul 20 16:02 pitft22.dtbo

-rwxr-xr-x 1 root root  2385 Jul 20 16:02 pitft28-capacitive.dtbo

-rwxr-xr-x 1 root root  2802 Jul 20 16:02 pitft28-resistive.dtbo

-rwxr-xr-x 1 root root  2802 Jul 20 16:02 pitft35-resistive.dtbo

-rwxr-xr-x 1 root root  1043 Jul 20 16:02 pps-gpio.dtbo

-rwxr-xr-x 1 root root  1057 Jul 20 16:02 pwm-2chan.dtbo

-rwxr-xr-x 1 root root   946 Jul 20 16:02 pwm.dtbo

-rwxr-xr-x 1 root root  1315 Jul 20 16:02 qca7000.dtbo

-rwxr-xr-x 1 root root  1301 Jul 20 16:02 raspidac3.dtbo

-rwxr-xr-x 1 root root 66511 Jul 20 16:02 README

-rwxr-xr-x 1 root root  1275 Jul 20 16:02 rotary-encoder.dtbo

-rwxr-xr-x 1 root root   489 Jul 20 16:02 rpi-backlight.dtbo

-rwxr-xr-x 1 root root  3406 Jul 20 16:02 rpi-cirrus-wm5102.dtbo

-rwxr-xr-x 1 root root   643 Jul 20 16:02 rpi-dac.dtbo

-rwxr-xr-x 1 root root  2524 Jul 20 16:02 rpi-display.dtbo

-rwxr-xr-x 1 root root   462 Jul 20 16:02 rpi-ft5406.dtbo

-rwxr-xr-x 1 root root   771 Jul 20 16:02 rpi-proto.dtbo

-rwxr-xr-x 1 root root   893 Jul 20 16:02 rpi-sense.dtbo

-rwxr-xr-x 1 root root   499 Jul 20 16:02 rpi-tv.dtbo

-rwxr-xr-x 1 root root  1298 Jul 20 16:02 rra-digidac1-wm8741-audio.dtbo

-rwxr-xr-x 1 root root  1174 Jul 20 16:02 sc16is750-i2c.dtbo

-rwxr-xr-x 1 root root  1875 Jul 20 16:02 sc16is752-spi1.dtbo

-rwxr-xr-x 1 root root   846 Jul 20 16:02 sdhost.dtbo

-rwxr-xr-x 1 root root  1078 Jul 20 16:02 sdio-1bit.dtbo

-rwxr-xr-x 1 root root  1116 Jul 20 16:02 sdio.dtbo

-rwxr-xr-x 1 root root   699 Jul 20 16:02 sdtweak.dtbo

-rwxr-xr-x 1 root root   376 Jul 20 16:02 smi-dev.dtbo

-rwxr-xr-x 1 root root   981 Jul 20 16:02 smi.dtbo

-rwxr-xr-x 1 root root  1508 Jul 20 16:02 smi-nand.dtbo

-rwxr-xr-x 1 root root   919 Jul 20 16:02 spi0-cs.dtbo

-rwxr-xr-x 1 root root   492 Jul 20 16:02 spi0-hw-cs.dtbo

-rwxr-xr-x 1 root root  1547 Jul 20 16:02 spi1-1cs.dtbo

-rwxr-xr-x 1 root root  1920 Jul 20 16:02 spi1-2cs.dtbo

-rwxr-xr-x 1 root root  2293 Jul 20 16:02 spi1-3cs.dtbo

-rwxr-xr-x 1 root root  1547 Jul 20 16:02 spi2-1cs.dtbo

-rwxr-xr-x 1 root root  1920 Jul 20 16:02 spi2-2cs.dtbo

-rwxr-xr-x 1 root root  2293 Jul 20 16:02 spi2-3cs.dtbo

-rwxr-xr-x 1 root root   666 Jul 20 16:02 spi-gpio35-39.dtbo

-rwxr-xr-x 1 root root   635 Jul 20 16:02 spi-rtc.dtbo

-rwxr-xr-x 1 root root  4878 Jul 20 16:02 tinylcd35.dtbo

-rwxr-xr-x 1 root root   980 Jul 20 16:02 uart1.dtbo

-rwxr-xr-x 1 root root  1412 Jul 20 16:02 vc4-fkms-v3d.dtbo

-rwxr-xr-x 1 root root  3108 Jul 20 16:02 vc4-kms-v3d.dtbo

-rwxr-xr-x 1 root root   758 Jul 20 16:02 vga666.dtbo

-rwxr-xr-x 1 root root  1116 Jul 20 16:02 w1-gpio.dtbo

-rwxr-xr-x 1 root root  1251 Jul 20 16:02 w1-gpio-pullup.dtbo

-rwxr-xr-x 1 root root  1080 Jul 20 16:02 wittypi.dtbo

ゆえ

./comment-out.bat /boot/config.txt
dtoverlay=hifiberry-dacplus
dtparam=audio=on

●i2s-DACを常用にする設定

設定
から
Preferences > Audio Device Settingsを選びます。

デフォルトではSound card の欄にはbcm2835 ALSA(Alsa mixer)しか出ていませんが、
なんたらdacplus(Alsa mixer)なんたら
が選べます。

Hypaerberryなんたら(Alsa mixer)を選び、
コントロールを選択をクリックすると、
Analogueにチェックしました。
DSP Proguramをチェックすると、内部のフィルタなどの制御ができます。

この設定をデフォルトにするため、Make Defaultをクリックします。　OKを押します。

　これ以降、HDMIではなくi2s-DACから音が出ます。

あとは日本語環境

素描だけ

pi　の　パスワードは　raspberry
sudo su で　root権限になれる

aptitude search ipa | grep gothic　ー>fonts-ipafont-gothic

aptitude install fcitx-mozc im-config zenity

locale tzdata keyboard　は設定からいける

以下はすべて　古いRpiの情報で　
stretch でもいけるかは未確認

２）wifi access point をつくる

ただ　英語の

https://frillip.com/using-your-raspberry-pi-3-as-a-wifi-access-point-with-hostapd/

のとおり

最終のスクリプトは

 ./wifi-accessPoint.bat

sh -c "echo 1 > /proc/sys/net/ipv4/ip_forward"

iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE  

iptables -A FORWARD -i eth0 -o wlan0 -m state --state RELATED,ESTABLISHED -j ACCEPT  

iptables -A FORWARD -i wlan0 -o eth0 -j ACCEPT 

service hostapd start  

service dnsmasq start 

aptitude install hostapd dnsmasq

/etc/dhcpcd.conf

hostname

clientid

persistent

option rapid_commit

option domain_name_servers, domain_name, domain_search, host_name

option classless_static_routes

option ntp_servers

require dhcp_server_identifier

slaac private

nohook lookup-hostname

denyinterfaces wlan0 

 /etc/network/interfaces

source-directory /etc/network/interfaces.d

auto lo

iface lo inet loopback

iface eth0 inet manual

allow-hotplug wlan0  

iface wlan0 inet static  

    address 172.24.1.1

    netmask 255.255.255.0

    network 172.24.1.0

    broadcast 172.24.1.255

 /etc/dnsmasq.conf 

interface=wlan0      # Use interface wlan0  

listen-address=172.24.1.1 # Explicitly specify the address to listen on  

bind-interfaces      # Bind to the interface to make sure we aren't sending things elsewhere  

server=8.8.8.8       # Forward DNS requests to Google DNS  

domain-needed        # Don't forward short names  

bogus-priv           

dhcp-range=172.24.1.50,172.24.1.55,12h 

/etc/hostapd/hostapd.conf 
# This is the name of the WiFi interface we configured above
interface=wlan0
# Use the nl80211 driver with the brcmfmac driver
driver=nl80211
# This is the name of the network
ssid=myAP
# Use the 2.4GHz band
hw_mode=g
# Use channel 6
channel=6
# Enable 802.11n
ieee80211n=1
# Enable WMM
wmm_enabled=1
# Enable 40MHz channels with 20ns guard interval
ht_capab=[HT40][SHORT-GI-20][DSSS_CCK-40]
# Accept all MAC addresses
macaddr_acl=0
# Use WPA authentication
auth_algs=1
# Require clients to know the network name
ignore_broadcast_ssid=0
# Use WPA2
wpa=2
# Use a pre-shared key
wpa_key_mgmt=WPA-PSK
# The network passphrase
wpa_passphrase=1122334455
# Use AES, instead of TKIP
rsn_pairwise=CCMP

３）NGINX

nginxの　change ｒｏｏｔは　ー＞　 /var/www/html/


/etc/nginx/nginx.conf
user www-data;
worker_processes 4;
pid /run/nginx.pid;
events {
worker_connections 768;
}
http {
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
include /etc/nginx/mime.types;
default_type application/octet-stream;
auth_basic "Restricted";
auth_basic_user_file /usr/share/nginx/.htpasswd;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
ssl_prefer_server_ciphers on;
access_log /var/log/nginx/access.log;
error_log /var/log/nginx/error.log;
gzip on;
gzip_disable "msie6";
include /etc/nginx/conf.d/*.conf;
include /etc/nginx/sites-enabled/*;

}

./comment-out.bat /var/www/html/test/pre.bat 

for x in ` ls *.mp4 `

do

echo "<a href=$x > $x </a>   </p> </p>"

done

rootを　USBハードディスクにおく

ハードディスクを
fdisk -l /dev/sda
Device     Boot   Start       End   Sectors  Size Id Type
/dev/sda1       8390656 156301485 147910830 70.5G 83 Linux
/dev/sda2          2048   8390655   8388608    4G 82 Linux swap / Solaris
のようにします。

それから

ハードディスクをマウントします。
mount　 /dev/sda1 　/ma1

ちなみに
root@raspberrypi:/home/pi# blkid /dev/sda1
/dev/sda1: UUID="ce803fd0-63e3-4b0e-a744-78379130bddf" TYPE="ext4" PARTUUID="4bdb66a6-01"

root@raspberrypi:/home/pi# blkid /dev/sda2

/dev/sda2: UUID="d24f2945-79db-4b5b-adae-761194f7ede1" TYPE="swap" PARTUUID="4bdb66a6-02"


そして　２つのスクリプトをはしらせます


１） for x in bin etc home lib opt root run sbin srv tmp usr var man debian-binary
do
mkdir -p /ma1/$x
rsync -avHx /$x/ /ma1/$x/
done



２） for y in boot dev sys mnt proc
do
mkdir -p /ma1/$y
done




それから

/boot/cmdline.txt　を書き換えます。
cp /boot/cmdline.txt /boot/cmdline.txt-ori

dwc_otg.lpm_enable=0 console=serial0,115200 console=tty1 root=PARTUUID=4bdb66a6-01 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles

次に　ハードディスクの
/ma1/etc/fstab　を書き換えます。
cp /ma1/etc/fstab /ma1/etc/fstab-ori

proc            /proc           proc    defaults          0       0
PARTUUID=310ad60d-01  /boot           vfat    defaults          0       2
PARTUUID=4bdb66a6-01  /               ext4    defaults,noatime  0       1

PARTUUID=4bdb66a6-02  none      swap sw 0 0

 /etc/rc.local
_IP=$(hostname -I) || true
if [ "$_IP" ]; then
  printf "My IP address is %s\n" "$_IP"
fi
sleep 30
service dphys-swapfile stop
umount /media/pi/62ca0b6d-6291-4c40-b1fd-11bc291e4a38
umount /media/pi/62ca0b6d-6291-4c40-b1fd-11bc291e4a38
umount /media/pi/62ca0b6d-6291-4c40-b1fd-11bc291e4a38
exit 0

以上で

free
             total       used       free     shared    buffers     cached
Mem:        945512     298388     647124      13740      18664     167004
-/+ buffers/cache:     112720     832792
Swap:      4194300          0    4194300


root@raspberrypi:/home/pi# df
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/root       72268964 5655720  62899092   9% /
devtmpfs          468148       0    468148   0% /dev
tmpfs             472756       0    472756   0% /dev/shm
tmpfs             472756    6492    466264   2% /run
tmpfs               5120       4      5116   1% /run/lock
tmpfs             472756       0    472756   0% /sys/fs/cgroup
/dev/mmcblk0p1     42030   21435     20595  51% /boot

tmpfs              94552       0     94552   0% /run/user/1000

なお　もとのSDだけの運用に戻すには
cp /boot/cmdline.txt-ori  /boot/cmdline.txt
にしたらいいだけです

https://www.blogger.com/blogger.g?blogID=7872769022530501383#editor/target=post;postID=4201772767215641358;onPublishedMenu=allposts;onClosedMenu=allposts;postNum=4;src=link





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 ./comment-out.bat pre.bat 
for y in `ls *.jpg`
do
jhead -nf%Y-%m-%d-%H%M $y
done
echo ' </p> </p> </p> </p> </p> '
echo '--- movie ---動画 </p> </p>    '
for x in ` ls *.mp4 `
do
echo "<a href=$x > $x </a>   </p> </p>"
done
echo '===============================  ' 
echo ' </p> </p> </p> </p> </p> </p> </p> </p> </p> </p>  ' 
echo '--- photo ---写真  </p> </p>  '
for x in ` ls *.jpg `
do
echo "<a href=$x > $x </a>   </p> </p>"
done




# ./comment-out.bat UTF8-2-EUCJP.bat 

iconv -f UTF-8  -t EUCJP < index.html > output.txt ; cp output.txt index.html