This logic should work until the format changes in 2099 or so unless it's just
allowed to roll over in which case it will still work.You just need to get the
current yymm instead of a "saved" date.If the yymm changes that will allow you
to track any idle period correctly.
#include <stdio.h>#include <stdlib.h>
int main(int nargs, char *argv[]){ int yymmsave = 0; char buf[256];
FILE *fp = fopen(argv[1], "r"); if (fp == NULL) { perror(argv[1]);
exit(1); }
while (fgets(buf, sizeof(buf), fp)) { int yymm, dd, time; int n =
sscanf(buf, "%4d%2d_%6d", &yymm, &dd, &time);
if (n == 3 && yymm != yymmsave) { printf("%04d\n", yymm);
yymmsave = yymm; } }
fclose(fp);}
de Mike W9MDB
On Saturday, June 29, 2019, 11:32:47 PM CDT, Dan Malcolm
<[email protected]> wrote:
I’m thinking that if I know I’m in year ‘19’ and the month changes from ’02 to
GT ‘02’ then I can count that as a month change. Not likely but I can envision
where I wounn’t be on the air for a month or more.
__________
Dan – K4SHQ
From: Black Michael via wsjt-devel [mailto:[email protected]]
Sent: Saturday, June 29, 2019 10:39 PM
To: wsjtx-devel <[email protected]>
Cc: Black Michael <[email protected]>
Subject: Re: [wsjt-devel] ALL.TXT (again)
There's nothing special about the month rollover
The format is YYMMDD so here's the Feb-Mar rollover in my file for example.
190228_235945 14.074 Rx FT8 -3 0.9 2255 WB4HMA HC2AO -11
190301_000000 14.074 Rx FT8 -13 0.9 2598 VE1DBM LU1JAO -08
de Mike W9MDB
On Saturday, June 29, 2019, 09:35:19 PM CDT, Dan Malcolm <[email protected]>
wrote:
I am aware that ALL.TXT data formatting changed in late February this year. I
am trying to write a PHP program to split All.TXT in monthly text files. I
have program that does this for 2018, but it only finds January and February of
2019. The problem is probably a format change. Can anyone help me find the
first entry of the month format? Is it YYYYMMDD_”time”? or something similar?
__________
Dan – K4SHQ
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