vid: Limit to 100 videos if stdin = tty.

gitnext/gitnext

@@ -27,7 +27,7 @@ Go to next revision
 
 =head1 AUTHOR
 
-Copyright (C) 2017 Ole Tange,
+Copyright (C) 2017-2024 Ole Tange,
 http://ole.tange.dk and Free Software Foundation, Inc.
 
 
@@ -51,7 +51,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 =head1 DEPENDENCIES
 
-B<gitnext> uses B<git>.
+B<gitnext> uses B<git> and B<field>.
 
 
 =head1 SEE ALSO

vid/vid

@@ -5,7 +5,7 @@
 
 =head1 NAME
 
-vid - Play videos matching strings in descending order of size
+vid - Play videos matching strings
 
 
 =head1 SYNOPSIS
@@ -23,17 +23,49 @@ There can be multiple B<grep> expressions.
 The searching is cached in B<.vidlist> in a parent dir or in the
 current dir if no parents contain B<.vidlist>.
 
+If stdin (standard input) is a tty: Match videos from B<.vidlist>
+ordered by decreasing size.
+
+If stdin (standard input) is not a tty: Match videos from standard
+input.
+
+If stdout (standard output) is a tty: Play 100 randomly chosen of the
+matching videos.
+
+If stdout (standard output) is not a tty: List all matching videos.
+
+Videos in the dir B<.waste> are ignored.
+
 
 =head1 EXAMPLE
 
-Play videos matching B<Documentary> but not B<BBC>:
+Play 100 videos in random order matching B<Documentary> but not B<BBC>:
 
   vid Documentary -v BBC
 
+List all videos matching B<Documentary> but not B<BBC> ordered by
+decreasing size:
+
+  vid Documentary -v BBC | cat
+
+Play all videos ending in B<.mp4>:
+  
+  ls *.mp4 | vid
+
+=head1 ENVIRONMENT VARIABLES
+
+=over 9
+
+=item $VIDEOPLAYER
+
+Use this as video player. Default: vlc
+
+=back
+
 
 =head1 AUTHOR
 
-Copyright (C) 2018-2019 Ole Tange,
+Copyright (C) 2018-2024 Ole Tange,
 http://ole.tange.dk and Free Software Foundation, Inc.
 
 
@@ -118,6 +150,7 @@ cat_list() {
     full_path_vidlist_dir="$(dirname $(readlink -f "$vidlist") )"
     full_path_thisdir="$(readlink -f .)"
     if [ -f "$vidlist" ] ; then
+	# vidlist exists: Do the update in the background
 	# find background (>/dev/null to detach from tty)
 	update_list "$vidlist" "$full_path_vidlist_dir" >/dev/null &
     else
@@ -128,7 +161,7 @@ cat_list() {
 	perl -pe 's|\Q'"$full_path_vidlist_dir"'\E|.|')/"
     # cat "$vidlist" | grep matching this dir + remove dirs
     # echo "$vidlist" "$full_path_thisdir" "$full_path_vidlist_dir" = "$subdir" >&2
-    cat "$vidlist" |
+    grep -v '/.waste/' "$vidlist" |
 	perl -ne 's|^(\./)?\Q'"$subdir"'\E|| and print'
 }
 
@@ -147,7 +180,12 @@ stdout() {
 	# STDOUT = terminal
 	# start $VIDEOPLAYER
 	VIDEOPLAYER=${VIDEOPLAYER:-vlc --}
-	shuf | parallel --halt now,done=1 --lb -n100 -Xj1 $VIDEOPLAYER
+	if tty -s ; then
+	    # STDIN is terminal => limit to 100
+	    shuf | parallel --halt now,done=1 --lb -n100 -Xj1 $VIDEOPLAYER
+	else
+	    parallel --halt now,done=1 --lb -Xj1 $VIDEOPLAYER
+	fi
     else
 	cat
     fi