Finished.  Shutting down.
sudo /sbin/poweroff
koen@Koen-PC ~/Downloads/test $

#!/bin/sh
RESTART=""

while true
do
        case "$RESTART" in
        [RrSslL])
                break;
                ;;
        *)      echo "(R)estart, (S)hut down, (L)eave computer on?"
                read RESTART
                ;;
        esac
done

echo "do stuff"
sleep 2


echo "CPSP 1.3"
echo "Converting movies (.avi) to .MP4 for PlayStation Portable."
echo ""
echo "Files must be named as M4V00001.avi (adjust 00001 to 00002, 00003, ... for multiple files."
echo ""
echo "Original: fakap mp3-to-flv converter http://staff.fakap.net/mp3toflv/"
echo "Special thanks to dude2cool and Corona688 @ https://www.unix.com/ for helping to put the script together"
if [ $# -eq 0 ]
then
    echo "Input files: *.avi"
    echo "Output files: *.MP4"
    
fi

while [ $# -ne 0 ]
do
newext=$(echo "$1"|sed  's/\.avi//g')
        ffmpeg -i $1 -f psp -r 29.97 -b 512k -ar 24000 -ab 64k -s 320x240 "$newext".MP4
    shift
done
echo ""
echo "CPSP has finished converting the files."
echo "Thank you for using CPSP 1.3"
echo "bye bye"
echo ""
case "$RESTART" in
        [rR])   echo "Finished.  Rebooting."
                echo sudo /sbin/reboot
                ;;

        [sS])   echo "Finished.  Shutting down."
                echo sudo /sbin/poweroff
                ;;

        [lL])   echo "Finished.  Quitting."
                exit 0
                ;;

        *)      echo "How'd this get here?"
                ;;
esac

koen@Koen-PC ~/Downloads/test $ ./CPSP.sh *.avi
(R)estart, (S)hut down, (L)eave computer on?
r
do stuff
CPSP 1.3
Converting movies (.avi) to .MP4 for PlayStation Portable.

Files must be named as M4V00001.avi (adjust 00001 to 00002, 00003, ... for multiple files.

Original: fakap mp3-to-flv converter http://staff.fakap.net/mp3toflv/
Special thanks to dude2cool and Corona688 @ https://www.unix.com/ for helping to put the script together

FFmpeg version 0.6.2-4:0.6.2-1ubuntu1, Copyright (c) 2000-2010 the Libav developers
  built on Mar 22 2011 15:35:22 with gcc 4.5.2
  ...
  ...
  Some info about ffmpeg (cutted to save some space)
  ...
  ...
  libavutil     50.15. 1 / 50.15. 1
  libavcodec    52.72. 2 / 52.72. 2
  libavformat   52.64. 2 / 52.64. 2
  libavdevice   52. 2. 0 / 52. 2. 0
  libavfilter    1.19. 0 /  1.19. 0
  libswscale     0.11. 0 /  0.11. 0
  libpostproc   51. 2. 0 / 51. 2. 0

Input #0, avi, from 'dmd-nda-sample.avi':
  Duration: 00:01:29.71, start: 0.000000, bitrate: 2630 kb/s
    Stream #0.0: Video: mpeg4, yuv420p, 624x352 [PAR 1:1 DAR 39:22], 23.98 tbr, 23.98 tbn, 23.98 tbc
    Stream #0.1: Audio: mp3, 48000 Hz, 2 channels, s16, 128 kb/s
Output #0, psp, to 'dmd-nda-sample.MP4':
  Metadata:
    encoder         : Lavf52.64.2
    Stream #0.0: Video: mpeg4, yuv420p, 320x240 [PAR 117:88 DAR 39:22], q=2-31, 512 kb/s, 2997 tbn, 29.97 tbc
    Stream #0.1: Audio: aac, 24000 Hz, 2 channels, s16, 64 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press [q] to stop encoding
[mpeg4 @ 0x9ff9680]Invalid and inefficient vfw-avi packed B frames detected  
frame=    7 fps=  4 q=2.0 size=      18kB time=0.23 bitrate= 630.2kbits/s dup=1 frame=   17 fps=  8 q=2.0 size=      50kB time=0.57 bitrate= 721.1kbits/s dup=3 frame=   27 fps= 10 q=2.0 size=      72kB time=0.90 bitrate= 653.2kbits/s dup=5 frame=   41 fps= 13 q=2.0 size=      96kB time=1.37 bitrate= 574.1kbits/s dup=8 frame=   54 fps= 14 q=2.0 size=     139kB time=1.80 bitrate= 632.1kbits/s dup=11frame=   76 fps= 18 q=2.0 size=     208kB time=2.54 bitrate= 670.5kbits/s dup=15frame=   86 fps= 18 q=2.0 size=     247kB time=2.87 bitrate= 703.8kbits/s dup=17frame=   96 fps= 18 q=2.5 size=     277kB 
...
...
...
A bunch of converting steps
...
...
...
74 fps= 14 q=14.0 size=    6398kB time=89.22 bitrate= 587.5kbits/s dup=frame= 2689 fps= 14 q=14.9 Lsize=    6478kB time=89.72 bitrate= 591.4kbits/s dup=538 drop=0    
video:5778kB audio:660kB global headers:0kB muxing overhead 0.617032%

CPSP has finished converting the files.
Thank you for using CPSP 1.3
bye bye

Finished.  Rebooting.
sudo /sbin/reboot
koen@Koen-PC ~/Downloads/test $