日志
大型机上批量下载FNL数据
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FNL数据的下载地址：http://rda.ucar.edu/datasets/ds083.2/#access
登陆sign in （没有账号就注册）
GRIB1 6 HOURLY FILES 1999.07.30 to 2007.12.06 ：这是2007年12月6号之前的数据，为grib1格式的数据
GRIB2 6 HOURLY FILES 2007.12.06 to current ：这是2007年12月06号至今的数据，为grib2格式的数据
下载数据，点击Web File Listing
若是批量下载数据，则点击Complete File List
例如下载2017年11月的数据为例，点击 GRIB2 2017，再勾选上11月的数据（ GRIB2 2017.11 ），之后点击Csh Download Script，出现一个网页，内容如下：
#!/bin/csh
#################################################################
# Csh Script to retrieve 120 online Data files of 'ds083.2',
# total 2.22G. This script uses 'wget' to download data.
#
# Highlight this script by Select All, Copy and Paste it into a file;
# make the file executable and run it on command line.
#
# You need pass in your password as a parameter to execute
# this script; or you can set an environment variable RDAPSWD
# if your Operating System supports it.
#
# Contact grace@ucar.edu (Grace Peng) for further assistance.
#################################################################
set pswd = $1
if(x$pswd == x && `env | grep RDAPSWD` != '') then
set pswd = $RDAPSWD
endif
if(x$pswd == x) then
echo
echo Usage: $0 YourPassword
echo
exit 1
endif
set v = `wget -V |grep 'GNU Wget ' | cut -d ' ' -f 3`
set a = `echo $v | cut -d '.' -f 1`
set b = `echo $v | cut -d '.' -f 2`
if(100 * $a + $b > 109) then
set opt = 'wget --no-check-certificate'
else
set opt = 'wget'
endif
set opt1 = '-O Authentication.log --save-cookies auth.rda_ucar_edu --post-data'
set opt2 = "email=xxxxxxxxxx@163.com&passwd=$pswd&action=login"
$opt $opt1="$opt2" https://rda.ucar.edu/cgi-bin/login
set opt1 = "-N --load-cookies auth.rda_ucar_edu"
set opt2 = "$opt $opt1 http://rda.ucar.edu/data/ds083.2/"
set filelist = ( \
grib2/2017/2017.11/fnl_20171101_00_00.grib2 \
grib2/2017/2017.11/fnl_20171101_06_00.grib2 \
grib2/2017/2017.11/fnl_20171101_12_00.grib2 \
grib2/2017/2017.11/fnl_20171101_18_00.grib2 \
grib2/2017/2017.11/fnl_20171102_00_00.grib2 \
grib2/2017/2017.11/fnl_20171102_06_00.grib2 \
grib2/2017/2017.11/fnl_20171102_12_00.grib2 \
grib2/2017/2017.11/fnl_20171102_18_00.grib2 \
grib2/2017/2017.11/fnl_20171103_00_00.grib2 \
grib2/2017/2017.11/fnl_20171103_06_00.grib2 \
grib2/2017/2017.11/fnl_20171103_12_00.grib2 \
grib2/2017/2017.11/fnl_20171103_18_00.grib2 \
grib2/2017/2017.11/fnl_20171104_00_00.grib2 \
grib2/2017/2017.11/fnl_20171104_06_00.grib2 \
grib2/2017/2017.11/fnl_20171104_12_00.grib2 \
grib2/2017/2017.11/fnl_20171104_18_00.grib2 \
grib2/2017/2017.11/fnl_20171105_00_00.grib2 \
grib2/2017/2017.11/fnl_20171105_06_00.grib2 \
grib2/2017/2017.11/fnl_20171105_12_00.grib2 \
grib2/2017/2017.11/fnl_20171105_18_00.grib2 \
grib2/2017/2017.11/fnl_20171106_00_00.grib2 \
grib2/2017/2017.11/fnl_20171106_06_00.grib2 \
grib2/2017/2017.11/fnl_20171106_12_00.grib2 \
grib2/2017/2017.11/fnl_20171106_18_00.grib2 \
grib2/2017/2017.11/fnl_20171107_00_00.grib2 \
grib2/2017/2017.11/fnl_20171107_06_00.grib2 \
grib2/2017/2017.11/fnl_20171107_12_00.grib2 \
grib2/2017/2017.11/fnl_20171107_18_00.grib2 \
grib2/2017/2017.11/fnl_20171108_00_00.grib2 \
grib2/2017/2017.11/fnl_20171108_06_00.grib2 \
grib2/2017/2017.11/fnl_20171108_12_00.grib2 \
grib2/2017/2017.11/fnl_20171108_18_00.grib2 \
grib2/2017/2017.11/fnl_20171109_00_00.grib2 \
grib2/2017/2017.11/fnl_20171109_06_00.grib2 \
grib2/2017/2017.11/fnl_20171109_12_00.grib2 \
grib2/2017/2017.11/fnl_20171109_18_00.grib2 \
grib2/2017/2017.11/fnl_20171110_00_00.grib2 \
grib2/2017/2017.11/fnl_20171110_06_00.grib2 \
grib2/2017/2017.11/fnl_20171110_12_00.grib2 \
grib2/2017/2017.11/fnl_20171110_18_00.grib2 \
grib2/2017/2017.11/fnl_20171111_00_00.grib2 \
grib2/2017/2017.11/fnl_20171111_06_00.grib2 \
grib2/2017/2017.11/fnl_20171111_12_00.grib2 \
grib2/2017/2017.11/fnl_20171111_18_00.grib2 \
grib2/2017/2017.11/fnl_20171112_00_00.grib2 \
grib2/2017/2017.11/fnl_20171112_06_00.grib2 \
grib2/2017/2017.11/fnl_20171112_12_00.grib2 \
grib2/2017/2017.11/fnl_20171112_18_00.grib2 \
grib2/2017/2017.11/fnl_20171113_00_00.grib2 \
grib2/2017/2017.11/fnl_20171113_06_00.grib2 \
grib2/2017/2017.11/fnl_20171113_12_00.grib2 \
grib2/2017/2017.11/fnl_20171113_18_00.grib2 \
grib2/2017/2017.11/fnl_20171114_00_00.grib2 \
grib2/2017/2017.11/fnl_20171114_06_00.grib2 \
grib2/2017/2017.11/fnl_20171114_12_00.grib2 \
grib2/2017/2017.11/fnl_20171114_18_00.grib2 \
grib2/2017/2017.11/fnl_20171115_00_00.grib2 \
grib2/2017/2017.11/fnl_20171115_06_00.grib2 \
grib2/2017/2017.11/fnl_20171115_12_00.grib2 \
grib2/2017/2017.11/fnl_20171115_18_00.grib2 \
grib2/2017/2017.11/fnl_20171116_00_00.grib2 \
grib2/2017/2017.11/fnl_20171116_06_00.grib2 \
grib2/2017/2017.11/fnl_20171116_12_00.grib2 \
grib2/2017/2017.11/fnl_20171116_18_00.grib2 \
grib2/2017/2017.11/fnl_20171117_00_00.grib2 \
grib2/2017/2017.11/fnl_20171117_06_00.grib2 \
grib2/2017/2017.11/fnl_20171117_12_00.grib2 \
grib2/2017/2017.11/fnl_20171117_18_00.grib2 \
grib2/2017/2017.11/fnl_20171118_00_00.grib2 \
grib2/2017/2017.11/fnl_20171118_06_00.grib2 \
grib2/2017/2017.11/fnl_20171118_12_00.grib2 \
grib2/2017/2017.11/fnl_20171118_18_00.grib2 \
grib2/2017/2017.11/fnl_20171119_00_00.grib2 \
grib2/2017/2017.11/fnl_20171119_06_00.grib2 \
grib2/2017/2017.11/fnl_20171119_12_00.grib2 \
grib2/2017/2017.11/fnl_20171119_18_00.grib2 \
grib2/2017/2017.11/fnl_20171120_00_00.grib2 \
grib2/2017/2017.11/fnl_20171120_06_00.grib2 \
grib2/2017/2017.11/fnl_20171120_12_00.grib2 \
grib2/2017/2017.11/fnl_20171120_18_00.grib2 \
grib2/2017/2017.11/fnl_20171121_00_00.grib2 \
grib2/2017/2017.11/fnl_20171121_06_00.grib2 \
grib2/2017/2017.11/fnl_20171121_12_00.grib2 \
grib2/2017/2017.11/fnl_20171121_18_00.grib2 \
grib2/2017/2017.11/fnl_20171122_00_00.grib2 \
grib2/2017/2017.11/fnl_20171122_06_00.grib2 \
grib2/2017/2017.11/fnl_20171122_12_00.grib2 \
grib2/2017/2017.11/fnl_20171122_18_00.grib2 \
grib2/2017/2017.11/fnl_20171123_00_00.grib2 \
grib2/2017/2017.11/fnl_20171123_06_00.grib2 \
grib2/2017/2017.11/fnl_20171123_12_00.grib2 \
grib2/2017/2017.11/fnl_20171123_18_00.grib2 \
grib2/2017/2017.11/fnl_20171124_00_00.grib2 \
grib2/2017/2017.11/fnl_20171124_06_00.grib2 \
grib2/2017/2017.11/fnl_20171124_12_00.grib2 \
grib2/2017/2017.11/fnl_20171124_18_00.grib2 \
grib2/2017/2017.11/fnl_20171125_00_00.grib2 \
grib2/2017/2017.11/fnl_20171125_06_00.grib2 \
grib2/2017/2017.11/fnl_20171125_12_00.grib2 \
grib2/2017/2017.11/fnl_20171125_18_00.grib2 \
grib2/2017/2017.11/fnl_20171126_00_00.grib2 \
grib2/2017/2017.11/fnl_20171126_06_00.grib2 \
grib2/2017/2017.11/fnl_20171126_12_00.grib2 \
grib2/2017/2017.11/fnl_20171126_18_00.grib2 \
grib2/2017/2017.11/fnl_20171127_00_00.grib2 \
grib2/2017/2017.11/fnl_20171127_06_00.grib2 \
grib2/2017/2017.11/fnl_20171127_12_00.grib2 \
grib2/2017/2017.11/fnl_20171127_18_00.grib2 \
grib2/2017/2017.11/fnl_20171128_00_00.grib2 \
grib2/2017/2017.11/fnl_20171128_06_00.grib2 \
grib2/2017/2017.11/fnl_20171128_12_00.grib2 \
grib2/2017/2017.11/fnl_20171128_18_00.grib2 \
grib2/2017/2017.11/fnl_20171129_00_00.grib2 \
grib2/2017/2017.11/fnl_20171129_06_00.grib2 \
grib2/2017/2017.11/fnl_20171129_12_00.grib2 \
grib2/2017/2017.11/fnl_20171129_18_00.grib2 \
grib2/2017/2017.11/fnl_20171130_00_00.grib2 \
grib2/2017/2017.11/fnl_20171130_06_00.grib2 \
grib2/2017/2017.11/fnl_20171130_12_00.grib2 \
grib2/2017/2017.11/fnl_20171130_18_00.grib2 \
)
while($#filelist > 0)
set syscmd = "$opt2$filelist[1]"
echo "$syscmd ..."
$syscmd
shift filelist
end
rm -f auth.rda_ucar_edu Authentication.log
exit 0
-----------------------------------------------------------------------------------------------------------------------------------
其中，xxxxxxxxxx@163.com为登陆网站的用户邮箱
之后在大型机上新建一个文件，
$vi download
击“i”，进入插入模式，将script内容复制粘贴到download中，在按“Esc”键，进入命令模式，输入“:wq!”，保存退出；
$chmod 755 download
在执行download之前，可以设置环境变量，避免每次输入密码；
$vi ~/.bashrc
加入下面一行：
export RDAPSWD=xxxxxx
其中，xxxxxx为你登陆NCEP FNL数据网站的密码
改好后，“Esc”键，输入“:wq!”
$source ~/.bashrc 使环境变量设置生效
然后再执行download
$./download
就直接开始下载啦！
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