[NTLUG:Discuss] Basic script question

[Fred James]

Bobby Wrenn wrote:
> "sox *.wav  output_file_name" works on my small set of sample files. 
> Hopefully it will scale when I am in the jungle and off the grid. I am 
> a little concerned that this may not take the files in proper sort order.
>
>
> On 08/10/2016 09:28 AM, Val W Harris wrote:
>> Bobby,
>>
>>
>> You didn;t say what distro you are using, but the CentOS 7 man page 
>> for sox says that it accepts multiple input files.  Using a for loop 
>> to call sox multiple times is overwriting the output of the previous 
>> call to sox.  Try
>>
>>
>> sox *.wav  output_file_name
>>
>> I hope this works for you.  Enjoy your adventure!
>>
>> -- 
>> Val Harris            valwharris at verizon.net
>>
>>
>>
>>
>> -----Original Message-----
>> From: Bobby Wrenn <bobby at wrennest.com>
>> To: NTLUG Discussion List <discuss at ntlug.org>
>> Sent: Wed, Aug 10, 2016 8:37 am
>> Subject: [NTLUG:Discuss] Basic script question
>>
>> Wondering if the list is still active. My first send of this post has
>> not appeared in my email.
>>
>> I need to set up why I am asking for help on a short notice.
>>
>> I am making a trip to the jungle of Papua New Guinea to make voice
>> recordings of people reading scripture in their native language. I will
>> be recording the whole book of Genesis with speakers for each character
>> in the book. I may do other books as well. In order to work with other
>> translation groups the files must be in a very specific format with a
>> predetermined file name sequence. After all the recordings are done I
>> need to retain the original chunks and assemble the chunks into
>> chapters. I can determine the start and stop filename for each chapter.
>> The files will be in a consistent WAV format. I expect to use sox to
>> join the WAV files for each speaker into a file for each chapter. I have
>> been planning this trip for some time. But just received this new
>> requirement to join the files today. I get on a plane tomorrow and will
>> have an Internet connection in country for about two days before I head
>> into the bush with solar panels and a laptop.
>>
>> I need help with a basic script to join the files given a start and stop
>> filename and an explicit output file name as parameters. Input file
>> names look like this "P1MSYPBT_01973.wav, P1MSYPBT_01974.wav, ...". The
>> output file will look like this "P1MSYPBT_001_GEN_01.wav,
>> P1MSYPBT_001_GEN_02.wav, ...".
>>
>> I tried putting the files for a chapter in a separate directory and
>> running [for i in *.wav;do sox "$i" P1MSYPBT_001_GEN_01.wav;done]. But
>> it either got only the first file or left out the last file. It was not
>> consistent.
>>
>> Any help greatly appreciated
Can you append a number to each file, in the sort order?