lsx.mtime: don't default to listing current dir with time-delta spec

README.md

@@ -461,14 +461,21 @@ ways that are occasionally useful. All those are available via various options -
 see `-h/--help` for a full list of those.
 
 For example, to print `-a/--adjacent` files (w/ some ordering):
-
 ``` console
 % lsx -aS data/chunk-12345.bin  # default up to 10 before/after, w/ S=size ordering
 % lsx -a 50as data/chunk-13.bin # only 50 files larger than specified one
 % lsx -a 5bt myapp/state.log    # up to 5 logs right before state.log by mtime
 % lsx -fa a3 logs/20230515.log  # 3 log-files (-f/--files) with names after that one
 ```
 
+Or files within `-t/--mtime` vicinity/ranges:
+``` console
+% lsx -t 1h cache/a/bcdefg.json # files created/changed within 1h of that one
+% lsx -t 5d/10d cache/*/*       # mtime in 5d-10d ago range
+% lsx -rt 2024-10-20/2024-10-25 # between those dates in the current dir
+% lsx -rt 1am/3:30 logs         # logs changed from 1am to 3:30am earlier today
+```
+
 Simple python script with no extra dependencies.
 
 <a name=hdr-trunc-filenames></a>

lsx

@@ -227,7 +227,7 @@ def main(argv=None):
 			If delta (relative time) is specified, files/dirs within that vicinity from
 				other file/dir command-line arguments are listed (and at least one is required).
 			If time range is specified (two absolute or relative timestamps in any order),
-				then either files/dirs that have mtime within that range are listed, either in the
+				then files/dirs that have mtime within that range are listed, either in the
 				current dir, or among/within specified file/dir arguments (see -r/--recursive option).
 			Multiple time ranges can be specified.
 			Results are ordered by mtime, pipe through "sort" for alphabetic ordering.
@@ -254,11 +254,13 @@ def main(argv=None):
 
 	if opts.mtime:
 		no_opts, td = False, mtime_parse(opts.mtime, parser.error)
-		if opts.recursive and not paths: paths = [pl.Path('.')]
 		if td.vicinity:
+			if not paths: parser.error(
+				'At least one path argument required for -t/--mtime time-delta' )
 			for p in mtime_list(paths, td): _pp(p)
 		else:
 			ps = list()
+			if opts.recursive and not paths: paths = [pl.Path('.')]
 			for p in paths:
 				if not p.exists(): p_err(f'path inaccessible [ {p} ]'); continue
 				if opts.recursive and p.is_dir(): ps.extend(p.iterdir())