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examples/sndfile-metadata-(get|set).c : Add usage messages.

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This commit is contained in:
Erik de Castro Lopo 2008-10-01 20:57:15 +10:00
parent e0d92fd712
commit 65f0d981e6
3 changed files with 70 additions and 6 deletions
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3
ChangeLog
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@ -4,6 +4,9 @@
Remove --bext-coding-history-append command line option because it didn't
really make sense.
* examples/sndfile-metadata-(get|set).c
Add usage messages.
2008-09-30 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* README doc/win32.html

26
examples/sndfile-metadata-get.c
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@ -63,7 +63,7 @@ main (int argc, char *argv [])
progname = progname ? progname + 1 : argv [0] ;
/* Check if we've been asked for help. */
if (argc < 2 || strcmp (argv [1], "--help") == 0 || strcmp (argv [1], "-h") == 0)
if (argc <= 2 || strcmp (argv [1], "--help") == 0 || strcmp (argv [1], "-h") == 0)
usage_exit (progname, 0) ;
if (argv [argc - 1][0] != '-')
@ -100,8 +100,28 @@ main (int argc, char *argv [])
static void
usage_exit (const char *progname, int exit_code)
{ printf ("Usage :\n %s <file> ...\n", progname) ;
printf (" Fill in more later.\n\n") ;
{ printf ("\nUsage :\n %s [options] <file>\n\nOptions:\n", progname) ;
puts (
" --bext-description Print the 'bext' description.\n"
" --bext-originator Print the 'bext; originator info.\n"
" --bext-orig-ref Print the 'bext' origination reference.\n"
" --bext-umid Print the 'bext' UMID.\n"
" --bext-orig-date Print the 'bext' origination date.\n"
" --bext-orig-time Print the 'bext' origination time.\n"
" --bext-coding-hist Print the 'bext' coding history.\n"
) ;
puts (
" --str-title Print the title metadata.\n"
" --str-copyright Print the copyright metadata.\n"
" --str-artist Print the artist metadata.\n"
" --str-comment Print the comment metadata.\n"
" --str-date Print the creation date metadata.\n"
" --str-album Print the album metadata.\n"
" --str-license Print the license metadata.\n"
) ;
exit (exit_code) ;
} /* usage_exit */

47
examples/sndfile-metadata-set.c
View File

@ -114,7 +114,6 @@ main (int argc, char *argv [])
HANDLE_STR_ARG ("--str-title", title) ;
HANDLE_STR_ARG ("--str-copyright", copyright) ;
HANDLE_STR_ARG ("--str-artist", artist) ;
HANDLE_STR_ARG ("--str-copyright", copyright) ;
HANDLE_STR_ARG ("--str-date", date) ;
HANDLE_STR_ARG ("--str-album", album) ;
HANDLE_STR_ARG ("--str-license", license) ;
@ -181,8 +180,50 @@ main (int argc, char *argv [])
static void
usage_exit (const char *progname, int exit_code)
{ printf ("Usage :\n %s <file> ...\n", progname) ;
printf (" Fill in more later.\n\n") ;
{ printf ("\nUsage :\n\n"
" %s [options] <file>\n"
" %s [options] <input file> <output file>\n"
"\n",
progname, progname) ;
puts (
"Where an option is made up of a pair of a field to set (one of\n"
"the 'bext' or metadata fields below) and a string. Fields are\n"
"as follows :\n"
) ;
puts (
" --bext-description Set the 'bext' description.\n"
" --bext-originator Set the 'bext' originator.\n"
" --bext-orig-ref Set the 'bext' originator reference.\n"
" --bext-umid Set the 'bext' UMID.\n"
" --bext-orig-date Set the 'bext' origination date.\n"
" --bext-orig-time Set the 'bext' origination time.\n"
" --bext-coding-hist Set the 'bext' coding history\n"
"\n"
" --str-title Set the metadata title.\n"
" --str-copyright Set the metadata copyright.\n"
" --str-artist Set the metadata artist.\n"
" --str-date Set the metadata date.\n"
" --str-album Set the metadata album.\n"
" --str-license Set the metadata license.\n"
) ;
puts (
"There are also the following arguments which do not take a\n"
"parameter :\n\n"
" --bext-auto-time-date Set the 'bext' time and date to current time/date.\n"
" --bext-auto-time Set the 'bext' time to current time.\n"
" --bext-auto-date Set the 'bext' date to current date.\n"
" --str-auto-date Set the metadata date to current date.\n"
) ;
puts (
"Most of the above operations can be done in-place on an existing\n"
"file. If any operation cannot be performed, the application will\n"
"exit with an appropriate error message.\n"
) ;
exit (exit_code) ;
} /* usage_exit */