Loop with two variables at once in Bash

Question

I have two file types with the same filenames in one directory:

file1.ts
file1.ec3
file2.ts
file2.ec3

and I need to make a loop which would process pair of files at once (file1.ts + file1.ec3). Then the loop needs to be restarted with second pair (file2.ts + file2.ec3).

Here is my code:

for i in *.ts; do
    for e in *.ec3; do
        ffmpeg -i "$i" -i "$e" -map 0:v -map 1:a -codec copy "${i%.ts}_DD+.ts";
    done;
done

But when the first cycle ends it tries to process file1.ts + file2.ec3 and brakes everything...

How can I make it work properly?

F. Hauri - Give Up GitHub · Accepted Answer · 2016-10-20 07:38:23Z

3

Try this:

for file in *.ts; do
    [ -f "${file%.ts}.ec3" ] &&
        ffmpeg -i "$file" -i "${file%.ts}.ec3" -map 0:v -map 1:a \
            -codec copy "${file%.ts}_DD+.ts"
done

edited Oct 20, 2016 at 7:38

answered Oct 19, 2016 at 21:47

F. Hauri - Give Up GitHub

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