Commit 4fae6007 authored by guns's avatar guns
Browse files

New sort option: mtime 

Sort filelist by modification time, newer files first. Useful for
perusing a directory of images by most recently added or changed.
parent 71c7ff9f

man/feh.pre

+7 −2
Original line number Diff line number Diff line
@@ -532,10 +532,15 @@ in paused mode. 
.It Cm -S , --sort Ar sort_type

.

The file list may be sorted according to image parameters.  Allowed sort

types are: name, filename, width, height, pixels, size, format.  For sort

modes other than name or filename, a preload run will be necessary,

types are: name, filename, mtime, width, height, pixels, size, format.  For sort

modes other than name, filename, or mtime, a preload run will be necessary,

causing a delay proportional to the number of images in the list.

.

.Pp

.

The mtime sort mode sorts images by most recently modified. To sort by oldest

first, reverse the filelist with --reverse.

.

.It Cm -| , --start-at Ar filename

.

Start the filelist at

src/filelist.c

+23 −1
Original line number Diff line number Diff line
@@ -354,6 +354,25 @@ int feh_cmp_name(void *file1, void *file2) 
	return(strcmp(FEH_FILE(file1)->name, FEH_FILE(file2)->name));

}



/* Return -1 if file1 is _newer_ than file2 */

int feh_cmp_mtime(void *file1, void *file2)

{

	struct stat s1, s2;



	if (stat(FEH_FILE(file1)->filename, &s1)) {

		feh_print_stat_error(FEH_FILE(file1)->filename);

		return(-1);

	}



	if (stat(FEH_FILE(file2)->filename, &s2)) {

		feh_print_stat_error(FEH_FILE(file2)->filename);

		return(-1);

	}



	/* gib_list_sort is not stable, so explicitly return 0 as -1 */

	return(s1.st_mtime >= s2.st_mtime ? -1 : 1);

}



int feh_cmp_width(void *file1, void *file2)

{

	return((FEH_FILE(file1)->info->width - FEH_FILE(file2)->info->width));
@@ -381,7 +400,7 @@ int feh_cmp_format(void *file1, void *file2) 


void feh_prepare_filelist(void)

{

	if (opt.list || opt.customlist || (opt.sort > SORT_FILENAME)

	if (opt.list || opt.customlist || (opt.sort > SORT_MTIME)

			|| opt.preload || opt.min_width || opt.min_height

			|| (opt.max_width != UINT_MAX) || (opt.max_height != UINT_MAX)) {

		/* For these sort options, we have to preload images */
@@ -407,6 +426,9 @@ void feh_prepare_filelist(void) 
	case SORT_FILENAME:

		filelist = gib_list_sort(filelist, feh_cmp_filename);

		break;

	case SORT_MTIME:

		filelist = gib_list_sort(filelist, feh_cmp_mtime);

		break;

	case SORT_WIDTH:

		filelist = gib_list_sort(filelist, feh_cmp_width);

		break;

src/filelist.h

+2 −1
Original line number Diff line number Diff line
@@ -56,7 +56,7 @@ struct __feh_file_info { 


enum filelist_recurse { FILELIST_FIRST, FILELIST_CONTINUE, FILELIST_LAST };



enum sort_type { SORT_NONE, SORT_NAME, SORT_FILENAME, SORT_WIDTH,

enum sort_type { SORT_NONE, SORT_NAME, SORT_FILENAME, SORT_MTIME, SORT_WIDTH,

	SORT_HEIGHT,

	SORT_PIXELS,

	SORT_SIZE, SORT_FORMAT
@@ -82,6 +82,7 @@ void feh_save_filelist(); 


int feh_cmp_name(void *file1, void *file2);

int feh_cmp_filename(void *file1, void *file2);

int feh_cmp_mtime(void *file1, void *file2);

int feh_cmp_width(void *file1, void *file2);

int feh_cmp_height(void *file1, void *file2);

int feh_cmp_pixels(void *file1, void *file2);

src/help.raw

+2 −1
Original line number Diff line number Diff line
@@ -46,7 +46,8 @@ OPTIONS 
 -U, --loadable            List all loadable files. No image display

 -u, --unloadable          List all unloadable files. No image display

 -S, --sort SORT_TYPE      Sort files by:

                           name, filename, width, height, pixels, size or format

                           name, filename, mtime, width, height, pixels, size,

                           or format

 -n, --reverse             Reverse sort order

 -A, --action ACTION       Specify action to perform when pressing <return>.

                           Executed by /bin/sh, may contain FORMAT SPECIFIERS

src/options.c

+2 −0
Original line number Diff line number Diff line
@@ -501,6 +501,8 @@ static void feh_parse_option_array(int argc, char **argv, int finalrun) 
				opt.sort = SORT_NAME;

			else if (!strcasecmp(optarg, "filename"))

				opt.sort = SORT_FILENAME;

			else if (!strcasecmp(optarg, "mtime"))

				opt.sort = SORT_MTIME;

			else if (!strcasecmp(optarg, "width"))

				opt.sort = SORT_WIDTH;

			else if (!strcasecmp(optarg, "height"))