Help with a construct like this: find | parallel function [SOLVED]

Question

I'd like to use a find | parallel function combo to:
1) Find all directories
2) Enter the directories and run a predefined function
#!/bin/bash
bcue() {
shntool cue *.flac > foo.cue
shntool join *.flac
find -type d | parallel cd {} ; bcue
Running this doesn't work as expected.  It simply runs the bcue function from the dir from which I run the script.  How can I call the function after I cd into the directory using parallel?
Last edited by graysky (2012-07-03 23:32:34)

Answer 1

Yes, but -execdir won't do the operations in parallel...
However, you could instead do something like
find -type d -execdir sh -c "cd {}; bcue &" \;
which will start the operations represented by 'bcue' in the background, which may or may not be exactly the same thing as the original version with parallel. But you still can't use it as written because the new "inner" shell doesn't know anything about the bcue function. Consider making a script out of it. Better yet, consider making it a script that takes a directory name as an argument; then you could just do
find -type d | parallel $script {}
(making some guesses about the correct invocation of parallel based on what you wrote; I don't use it myself.)