Add an mp3 ringtone generator

plugins/README.md

@@ -18,6 +18,7 @@
 | pdfview | sh | pdftotext/mupdf-tools | View PDF file in `$PAGER` |
 | picker | sh | nnn | Pick files and pipe the newline-separated list to another utility |
 | pywal | sh | pywal | Set selected image as wallpaper, change terminal color scheme |
+| ringtone | sh | date, ffmpeg | Create a variable bitrate mp3 ringtone from file |
 | splitjoin | sh | split, cat | Split file or join selection |
 | sxiv | sh | sxiv | Browse images in a dir in sxiv, set wallpaper, copy path ([config](https://wiki.archlinux.org/index.php/Sxiv#Assigning_keyboard_shortcuts))|
 | transfer | sh | curl | Upload file to transfer.sh |

plugins/ndiff

@@ -6,7 +6,7 @@
 #       press 'Enter' to ignore and proceed.
 #
 # Shell: POSIX compliant
-# Author: Arun Prakash Jana
+# Authors: Arun Prakash Jana, ath3
 
 selection=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection
 

plugins/ringtone

@@ -0,0 +1,31 @@
+#!/usr/bin/env sh
+
+# Description: Create an mp3 ringtone out of an audio file in any format
+#              Needs user to provide start and end where to cut the file
+#              Input file audio.ext results in audio_ringtone.mp3
+# Requires: date, ffmpeg
+#
+# Shell: POSIX compliant
+# Author: Arun Prakash Jana
+
+if ! [ -z "$1" ]; then
+    echo -n "start (hh:mm:ss): "
+    read start
+    st=`date -d "$start" +%s`
+
+    echo -n "end (hh:mm:ss): "
+    read end
+    et=`date -d "$end" +%s`
+
+    if [ $st -ge $et ]; then
+        echo "error: start >= end"
+        exit 1
+    fi
+
+    interval=$(( $et - $st ))
+
+    outfile=`basename "$1"`
+    outfile="${outfile%.*}"_ringtone.mp3
+
+    ffmpeg -i "$1" -ss "$start" -t "$interval" -vn -sn -acodec libmp3lame -q:a 2 "$outfile"
+fi

plugins/splitjoin

@@ -6,7 +6,7 @@
 #       Adds '.out suffix to the first file to be joined and saves as output file for join
 #
 # Shell: POSIX compliant
-# Author: Arun Prakash Jana
+# Authors: Arun Prakash Jana, ath3
 
 selection=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection
 resp=s