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/* File filedir.c
* August 18, 2020
* By Jessica Mink, Harvard-Smithsonian Center for Astrophysics
* Send bug reports to jmink@cfa.harvard.edu
Copyright (C) 2010 - 2020
Smithsonian Astrophysical Observatory, Cambridge, MA USA
This program 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 2
of the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
static int verbose = 0; /* verbose/debugging flag */
static int replace = 0; /* character replacement flag */
static int nonl = 0; /* character replacement flag */
static char c1, c2;
static void usage();
static char *RevMsg = "FILEDIR WCSTools 3.9.7, 26 April 2022, Jessica Mink (jmink@cfa.harvard.edu)";
int
main (ac, av)
int ac;
char **av;
{
char *fn;
char *str;
char *ext;
int i, lroot, lfn;
FILE *fd = NULL;
char line[4096];
int ReadStdin;
/* crack arguments */
for (av++; --ac > 0 && *(str = *av) == '-'; av++) {
char c;
while ((c = *++str))
switch (c) {
case 'v': /* more verbosity */
verbose++;
break;
case 'z': /* drop newline from end of output for scripting */
nonl++;
break;
default:
usage();
break;
}
}
/* There are ac remaining file names starting at av[0] */
if (ac == 0)
usage ();
ReadStdin = 0;
while (ac-- > 0) {
if (!ReadStdin) {
fn = *av++;
if (!strcmp (fn, "stdin")) {
ReadStdin = 1;
fd = stdin;
}
}
if (ReadStdin) {
if (fgets (line, 1023, fd) == NULL)
break;
ac++;
lfn = strlen (line);
line[lfn-1] = (char) 0;
fn = line;
}
lfn = strlen (fn);
if (verbose)
printf ("%s ( %d) -> ", fn, lfn);
ext = strrchr (fn, '/');
if (ext != NULL) {
*ext = (char) 0;
if (ext == (fn + lfn - 1)) {
ext = strrchr (fn, '/');
if (ext != NULL)
*ext = (char) 0;
else {
fn[0] = '.';
fn[1] = '/';
fn[2] = (char) 0;
}
}
printf ("%s", fn);
}
else
printf ("./");
if (nonl)
printf ("%c",(char)0);
else
printf ("\n");
}
return (0);
}
static void
usage ()
{
fprintf (stderr, "%s\n", RevMsg);
fprintf (stderr,"FILEDIR: Return directory part of file pathname\n");
fprintf(stderr,"Usage: filedir [-v][-n]file1 file2 file3 ...\n");
fprintf(stderr," -n: Drop newline for scripting\n");
fprintf(stderr," -v: Print input as well as output\n");
exit (1);
}
/* Jun 30 2000 New program
*
* Oct 02 2012 If pathname ends in "/", drop last directory
*
* Sep 22 2015 Read filepath from STDIN if filepath is "stdin"
*
* Aug 18 2020 Add -z option to drop newline for scripting
*/
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