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/* FUNPACK
* R. Seaman, NOAO
* uses fits_img_compress by W. Pence, HEASARC
*/
#include "fitsio.h"
#include "fpack.h"
int main (int argc, char *argv[])
{
fpstate fpvar;
if (argc <= 1) { fu_usage (); fu_hint (); exit (-1); }
fp_init (&fpvar);
fu_get_param (argc, argv, &fpvar);
if (fpvar.listonly) {
fp_list (argc, argv, fpvar);
} else {
fp_preflight (argc, argv, FUNPACK, &fpvar);
fp_loop (argc, argv, FUNPACK, fpvar);
}
exit (0);
}
int fu_get_param (int argc, char *argv[], fpstate *fpptr)
{
int gottype=0, gottile=0, wholetile=0, iarg;
char tile[SZ_STR];
if (fpptr->initialized != FP_INIT_MAGIC) {
fp_msg ("Error: internal initialization error\n"); exit (-1);
}
tile[0] = 0;
/* by default, .fz suffix characters to be deleted from compressed file */
fpptr->delete_suffix = 1;
/* flags must come first and be separately specified
*/
for (iarg = 1; iarg < argc; iarg++) {
if (argv[iarg][0] == '-' && strlen (argv[iarg]) == 2) {
if (argv[iarg][1] == 'F') {
fpptr->clobber++;
fpptr->delete_suffix = 0; /* no suffix in this case */
} else if (argv[iarg][1] == 'D') {
fpptr->delete_input++;
} else if (argv[iarg][1] == 'P') {
if (++iarg >= argc) {
fu_usage (); fu_hint (); exit (-1);
} else
strncpy (fpptr->prefix, argv[iarg], SZ_STR);
} else if (argv[iarg][1] == 'E') {
if (++iarg >= argc) {
fu_usage (); fu_hint (); exit (-1);
} else
strncpy (fpptr->extname, argv[iarg], SZ_STR);
} else if (argv[iarg][1] == 'S') {
fpptr->to_stdout++;
} else if (argv[iarg][1] == 'L') {
fpptr->listonly++;
} else if (argv[iarg][1] == 'C') {
fpptr->do_checksums = 0;
} else if (argv[iarg][1] == 'H') {
fu_help (); exit (0);
} else if (argv[iarg][1] == 'V') {
fp_version (); exit (0);
} else if (argv[iarg][1] == 'Z') {
fpptr->do_gzip_file++;
} else if (argv[iarg][1] == 'v') {
fpptr->verbose = 1;
} else if (argv[iarg][1] == 'O') {
if (++iarg >= argc) {
fu_usage (); fu_hint (); exit (-1);
} else
strncpy (fpptr->outfile, argv[iarg], SZ_STR);
} else {
fp_msg ("Error: unknown command line flag `");
fp_msg (argv[iarg]); fp_msg ("'\n");
fu_usage (); fu_hint (); exit (-1);
}
} else
break;
}
if (fpptr->extname[0] && (fpptr->clobber || fpptr->delete_input)) {
fp_msg ("Error: -E option may not be used with -F or -D\n");
fu_usage (); exit (-1);
}
if (fpptr->to_stdout && (fpptr->outfile[0] || fpptr->prefix[0]) ) {
fp_msg ("Error: -S option may not be used with -P or -O\n");
fu_usage (); exit (-1);
}
if (fpptr->outfile[0] && fpptr->prefix[0] ) {
fp_msg ("Error: -P and -O options may not be used together\n");
fu_usage (); exit (-1);
}
if (iarg >= argc) {
fp_msg ("Error: no FITS files to uncompress\n");
fu_usage (); exit (-1);
} else
fpptr->firstfile = iarg;
return(0);
}
int fu_usage (void)
{
fp_msg ("usage: funpack [-E <HDUlist>] [-P <pre>] [-O <name>] [-Z] -v <FITS>\n");
fp_msg ("more: [-F] [-D] [-S] [-L] [-C] [-H] [-V] \n");
return(0);
}
int fu_hint (void)
{
fp_msg (" `funpack -H' for help\n");
return(0);
}
int fu_help (void)
{
fp_msg ("funpack, decompress fpacked files. Version ");
fp_version ();
fu_usage ();
fp_msg ("\n");
fp_msg ("Flags must be separate and appear before filenames:\n");
fp_msg (" -E <HDUlist> Unpack only the list of HDU names or numbers in the file.\n");
fp_msg (" -P <pre> Prepend <pre> to create new output filenames.\n");
fp_msg (" -O <name> Specify full output file name.\n");
fp_msg (" -Z Recompress the output file with host GZIP program.\n");
fp_msg (" -F Overwrite input file by output file with same name.\n");
fp_msg (" -D Delete input file after writing output.\n");
fp_msg (" -S Output uncompressed file to STDOUT file stream.\n");
fp_msg (" -L List contents, files unchanged.\n");
fp_msg (" -C Don't update FITS checksum keywords.\n");
fp_msg (" -v Verbose mode; list each file as it is processed.\n");
fp_msg (" -H Show this message.\n");
fp_msg (" -V Show version number.\n");
fp_msg (" \n<FITS> FITS files to unpack; enter '-' (a hyphen) to read from stdin.\n");
fp_msg (" Refer to the fpack User's Guide for more extensive help.\n");
return(0);
}
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