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Full Discussion: BASH: how to launch a program with parameters
Top Forums Shell Programming and Scripting BASH: how to launch a program with parameters Post 302175413 by cfajohnson on Thursday 13th of March 2008 11:07:30 PM
Old 03-14-2008
Quote:
Originally Posted by TinCanFury
I have a bunch of MKV movies with embedded subtitles. I'd like to extract the subtitles into their own SRT file. so I've got this basic script written:

Code:
#!/bin/bash

MOVIE=$1
echo "Original Movie: $MOVIE"
SRTFILE=${MOVIE/%mkv/srt}
echo "srt File: $SRTFILE"

TRACK=`mkvinfo "$MOVIE" | grep subtitle -B3 | grep Track\ number\:\ | sed -e 's$
#echo "Track is $TRACK"

if [[ "$TRACK" -gt "0" ]]
then
        echo "Track is: $TRACK"
        mkvextract tracks $MOVIE ${TRACK}:$SRTFILE
else
        echo "No subtitle track!"
fi

which gives me
Code:
$ ./subtitleextract.sh Ying\ Xiong\ \(Hero\).mkv 
Original Movie: Ying Xiong (Hero).mkv
srt File: Ying Xiong (Hero).srt
Track is: 3
Error: Missing track ID in argument 'Xiong'.

it should be running
mkvextract tracks Ying\ Xiong\ \(Hero\).mkv 3:Ying\ Xiong\ \(Hero\).srt
but obviously isn't.

Quote your variables:
Code:
mkvextract tracks "$MOVIE" "${TRACK}:$SRTFILE"

 

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LEARN ABOUT DEBIAN

mtp_libmtp_track_struct

LIBMTP_track_struct(3)						      libmtp						    LIBMTP_track_struct(3)

NAME

       libmtp - LIBMTP_track_struct

SYNOPSIS

       #include <libmtp.h>

   Data Fields
       uint32_t item_id
       uint32_t parent_id
       uint32_t storage_id
       char * title
       char * artist
       char * composer
       char * genre
       char * album
       char * date
       char * filename
       uint16_t tracknumber
       uint32_t duration
       uint32_t samplerate
       uint16_t nochannels
       uint32_t wavecodec
       uint32_t bitrate
       uint16_t bitratetype
       uint16_t rating
       uint32_t usecount
       uint64_t filesize
       time_t modificationdate
       LIBMTP_filetype_t filetype
       LIBMTP_track_t * next

Detailed Description
       MTP track struct

       Examples:
	   getplaylist.c, playlists.c, sendtr.c, and tracks.c.

Field Documentation
   char* LIBMTP_track_struct::album
       Album name for track

       Examples:
	   tracks.c.

       Referenced by LIBMTP_destroy_track_t(), and LIBMTP_Update_Track_Metadata().

   char* LIBMTP_track_struct::artist
       Name of recording artist

       Examples:
	   getplaylist.c, playlists.c, and tracks.c.

       Referenced by LIBMTP_destroy_track_t(), and LIBMTP_Update_Track_Metadata().

   uint32_t LIBMTP_track_struct::bitrate
       (Average) bitrate for this file min=1 max=0x16e360

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Update_Track_Metadata().

   uint16_t LIBMTP_track_struct::bitratetype
       0 = unused, 1 = constant, 2 = VBR, 3 = free

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Update_Track_Metadata().

   char* LIBMTP_track_struct::composer
       Name of recording composer

       Examples:
	   tracks.c.

       Referenced by LIBMTP_destroy_track_t(), and LIBMTP_Update_Track_Metadata().

   char* LIBMTP_track_struct::date
       Date of original recording as a string

       Examples:
	   tracks.c.

       Referenced by LIBMTP_destroy_track_t(), and LIBMTP_Update_Track_Metadata().

   uint32_t LIBMTP_track_struct::duration
       Duration in milliseconds

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Update_Track_Metadata().

   char* LIBMTP_track_struct::filename
       Original filename of this track

       Examples:
	   tracks.c.

       Referenced by LIBMTP_destroy_track_t(), LIBMTP_Get_Tracklisting_With_Callback_For_Storage(), LIBMTP_Get_Trackmetadata(),
       LIBMTP_Send_Track_From_File_Descriptor(), LIBMTP_Send_Track_From_Handler(), and LIBMTP_Set_Track_Name().

   uint64_t LIBMTP_track_struct::filesize
       Size of track file in bytes

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Get_Tracklisting_With_Callback_For_Storage(), LIBMTP_Get_Trackmetadata(), LIBMTP_Send_Track_From_File_Descriptor(),
       and LIBMTP_Send_Track_From_Handler().

   LIBMTP_filetype_t LIBMTP_track_struct::filetype
       Filetype used for the current track

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Get_Tracklisting_With_Callback_For_Storage(), LIBMTP_Get_Trackmetadata(), LIBMTP_Send_Track_From_File_Descriptor(),
       LIBMTP_Send_Track_From_Handler(), LIBMTP_Set_Track_Name(), and LIBMTP_Update_Track_Metadata().

   char* LIBMTP_track_struct::genre
       Genre name for track

       Examples:
	   tracks.c.

       Referenced by LIBMTP_destroy_track_t(), and LIBMTP_Update_Track_Metadata().

   uint32_t LIBMTP_track_struct::item_id
       Unique item ID

       Examples:
	   sendtr.c, and tracks.c.

       Referenced by LIBMTP_Get_Tracklisting_With_Callback_For_Storage(), LIBMTP_Get_Trackmetadata(), LIBMTP_new_track_t(),
       LIBMTP_Send_Track_From_File_Descriptor(), LIBMTP_Send_Track_From_Handler(), LIBMTP_Set_Track_Name(), and LIBMTP_Update_Track_Metadata().

   time_t LIBMTP_track_struct::modificationdate
       Date of last alteration of the track

       Referenced by LIBMTP_Get_Tracklisting_With_Callback_For_Storage(), and LIBMTP_Get_Trackmetadata().

   LIBMTP_track_t* LIBMTP_track_struct::next
       Next track in list or NULL if last track

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Get_Tracklisting_With_Callback_For_Storage().

   uint16_t LIBMTP_track_struct::nochannels
       Number of channels in this recording 0 = unknown, 1 or 2

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Update_Track_Metadata().

   uint32_t LIBMTP_track_struct::parent_id
       ID of parent folder

       Referenced by LIBMTP_Get_Tracklisting_With_Callback_For_Storage(), LIBMTP_Get_Trackmetadata(), LIBMTP_Send_Track_From_File_Descriptor(),
       and LIBMTP_Send_Track_From_Handler().

   uint16_t LIBMTP_track_struct::rating
       User rating 0-100 (0x00-0x64)

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Update_Track_Metadata().

   uint32_t LIBMTP_track_struct::samplerate
       Sample rate of original file, min 0x1f80 max 0xbb80

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Update_Track_Metadata().

   uint32_t LIBMTP_track_struct::storage_id
       ID of storage holding this track

       Examples:
	   sendtr.c.

       Referenced by LIBMTP_Get_Tracklisting_With_Callback_For_Storage(), LIBMTP_Get_Trackmetadata(), LIBMTP_Send_Track_From_File_Descriptor(),
       and LIBMTP_Send_Track_From_Handler().

   char* LIBMTP_track_struct::title
       Track title

       Examples:
	   getplaylist.c, playlists.c, and tracks.c.

       Referenced by LIBMTP_destroy_track_t(), and LIBMTP_Update_Track_Metadata().

   uint16_t LIBMTP_track_struct::tracknumber
       Track number (in sequence on recording)

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Update_Track_Metadata().

   uint32_t LIBMTP_track_struct::usecount
       Number of times used/played

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Update_Track_Metadata().

   uint32_t LIBMTP_track_struct::wavecodec
       FourCC wave codec name

       Examples:
	   tracks.c.

       Referenced by LIBMTP_Update_Track_Metadata().

Author
       Generated automatically by Doxygen for libmtp from the source code.

Version 1.1.3							  Sun Feb 17 2013					    LIBMTP_track_struct(3)
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