bash script that can read lines of text

palceksmuk · 12-24-2005, 05:55 PM

OK I hope I posted in the right forum because this is not real programming...

So now I've wrote this script that
-gets all the audio streams in an ogm file
-displays them and displays a menu so I can select from 1 to 3
-gets all the subtitle streams in an ogm file
-displays them and displays a menu so I can select from 1 to 3
-starts mplayer

Code:

#!/bin/bash
#filter ogminfo for lines that contain audio streams
AID=`ogminfo -v $1 | grep ") a" | grep -i LANGUAGE`
#display a menu so I can select the desidered stream
AUDIO=`kdialog --menu "$AID" 0 "audio a1" 1 "audio a2" 2 "audio a3"

#filter ogminfo for lines that contain subtitle streams
SID=`ogminfo -v $1 | grep ") t" | grep -i LANGUAGE`
#display a menu so I can select the desidered stream
SUBS=`kdialog --menu "$SID" 0 "subtitles t1" 1 "subtitles t2" 2 "subtitles t3"

#start mplayer
mplayer $1 -aid $AUDIO -sid $SUBS

But this is a little slow...probably because of kdialog...

So now I would like to modify the script so that instead of kdialog displaying the menu it would read the $AID variable and get the line that contains "Japanese" and then create a variable like -aid $LINENUMBER
and the same for subtitles just that it would search for the line that contains english.

I think that could be done with bash but I don't know how to loop trough lines and find which line contains the searched string?

palceksmuk · 12-25-2005, 03:49 AM

ok, after reading some samples on the internet I found something. I'll post it here, maybe it'll be useful for someone

Code:

#!/bin/bash
AID=`ogminfo -v $1 | grep ") a" | grep -i LANGUAGE`
echo "$AID" > /tmp/ogm.txt

FILETEK=/tmp/ogm.txt
n=0

for name in $(awk 'BEGIN{FS="="}{print $2}' < "$FILETEK" )
do
  echo "AID #$n = $name"
  if [[ $name = *Japanese* ]]
  then
      echo "-ok $n"
      AUDIO="-aid $n"
  fi
  let "n += 1"
done  

SID=`ogminfo -v $1 | grep ") t" | grep -i LANGUAGE`
echo "$SID" > /tmp/ogm.txt

m=0

for name in $(awk 'BEGIN{FS="="}{print $2}' < "$FILETEK" )
do
  echo "SID #$m = $name"
  if [[ $name = *English* ]] 
  then
      echo "-ok $m"
      SUBS="-sid $m"
  fi
  let "m += 1"
done  

echo "Audio: $AUDIO"
echo "Subtitles: $SUBS"

mplayer $AUDIO $SUBS $1


exit