2020年12月5日土曜日

UNIX Time

WHOのCOVID-19のデータ形式が先月の途中から変更されてしまったので,対応に苦慮しているところ。とりあえず,perlで処理するための準備をする。

#!/usr/local/bin/perl

# usage: time.pl 1607100000

# usage: time.pl 2020/12/05 21:30:00

# conversion of UNIX time & local time


use strict;

use warnings;

use Time::Local 'timelocal';


if ( @ARGV == 1 ) {


my \$unix_time = \$ARGV[0];

my (\$sec, \$min, \$hour, \$mday, \$mon, \$year);


(\$sec, \$min, \$hour, \$mday, \$mon, \$year) = gmtime(\$unix_time);

\$year += 1900;

\$mon += 1;

printf("GMT:\t%04d/%02d/%02d %02d:%02d:%02d\n", \$year ,\$mon, \$mday, \$hour, \$min, \$sec);


(\$sec, \$min, \$hour, \$mday, \$mon, \$year) = gmtime(\$unix_time);

\$year += 1900;

\$mon += 1;

\$hour +=1;

printf("CET:\t%04d/%02d/%02d %02d:%02d:%02d\n", \$year ,\$mon, \$mday, \$hour, \$min, \$sec);


(\$sec, \$min, \$hour, \$mday, \$mon, \$year) = localtime(\$unix_time);

\$year += 1900;

\$mon += 1;

printf("LOCAL:\t%04d/%02d/%02d %02d:%02d:%02d\n", \$year ,\$mon, \$mday, \$hour, \$min, \$sec);


} elsif (@ARGV == 2) {


my (\$year, \$month, \$day) = split '/', \$ARGV[0];

my (\$hour, \$min  , \$sec) = split ':', \$ARGV[1];

my \$epochtime = timelocal(\$sec, \$min, \$hour, \$day, \$month-1, \$year-1900);

print \$epochtime."\n";


}


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