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/*
about.h
This file is part of JDate project.
JDate is a persian jalali calendar date tool for GNU command line.
JDate is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
JDate is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ABOUT_H
#define _ABOUT_H
void print_version (void)
{
printf ("%s %s\n"
"Copyright (C) 2016.\n"
"This is free software; see the source for copying conditions."
"There is \nNO warranty; not even for MERCHANTABILITY or FITNESS"
"FOR A PARTICULAR PURPOSE.\n", PROGRAM_NAME, VERSION);
printf ("Written by Mohammad Javad Ahmadi.\n");
exit(EXIT_SUCCESS);
}
void print_usage(FILE* stream, int exit_code)
{
if (exit_code == EXIT_SUCCESS) {
fprintf (stream, "Display persian date in jalali calendar command line tool.\n");
fprintf (stream, "Usage: %s [OPTION]... [+FORMAT]\n", PROGRAM_NAME);
} else {
fprintf (stream, "Try '%s --help' for more information.\n", PROGRAM_NAME);
}
if (exit_code == EXIT_SUCCESS) {
fprintf (stream,
" -f --format Formats output with the given pattern.\n"
" -j --to-jalali Converts given gregorian date to persian jalali date.\n"
" The format must be like this: 'YYYY-MM-DD'\n"
" -g --to-gregorian Converts given persian jalali date to gregorian date.\n"
" The format must be like this: 'YYYY-MM-DD'\n"
" -c --compare Will compare two different persian jalali date.\n"
" this option returns the bigger date.\n"
" The format must be like this: 'YYYY-MM-DD:YYYY-MM-DD'\n"
" -r --reference Display the last modification time of FILE in jalali date.\n"
/*TODO
" -d --difference Returns the number of days between two persian jalali date.\n"
" The format must be like this: 'YYYY-MM-DD:YYYY-MM-DD'\n"
*/
" --help Display this usage information and exit.\n"
" --version Output version information and exit.\n\n"
"FORMAT controls the output. Interpreted sequences are:\n"
" '%%a' locale's abbreviated weekday name.\n"
" '%%A' locale's full weekday name.\n"
" '%%B' locale's full month name.\n"
" '%%d' day of month (e.g., 14).\n"
" '%%D' day of month with leading zero (e.g., 05).\n"
" '%%m' month (1..12).\n"
" '%%M' month with leading zero (01..12).\n"
" '%%y' Two digit year with leading zero.\n"
" '%%Y' Four digit year.\n"
" '%%j' day of year (1..366).\n"
" '%%u' day of week (1..7).\n"
" '%%U' week number of year.\n\n"
"Examples:\n"
" To get current persian jalali date issue the following:\n\n"
" $ %s \n\n"
" To convert persian jalali date to gregorian date issue the following:\n\n"
" $ %s -g '1395-09-20'\n\n"
" To convert gregorian date to persian jalali date issue the following:\n\n"
" $ %s -j '2016-12-20'\n\n"
" To change the format of the output issue the following:\n\n"
" $ %s -f '%%y-%%m-%%d' \n\n"
" To get last modification date in persian jalali calendar issue the following:\n\n"
" $ ./jdate -r '~/PATH/TO/FILE'\n\n", PROGRAM_NAME, PROGRAM_NAME, PROGRAM_NAME, PROGRAM_NAME);
fprintf (stream, "Report bugs to mohammad.j.ahmadi@gmail.com\n"
"Project home page: <https://github.com/MJAhmadi/jdate>\n\n");
}
exit(exit_code);
}
#endif //_ABOUT_H