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I figured it out.
I had a logic error in the partitioning loop that would send one of the branches into an endless loop. :o\ Using '*' instead of '@' worked also, although I don't fully understand...

True enough.

The elements. I tried the code you suggested and I get a "bad substitution" error. The original one I used does populate the "array" variable correctly, however. At least on the...

Yes, I'm using bash. I tried the POSIX version as well, to see if it made any difference.

$1 should contain the array passed to the function. I found this method searching the web. Is there a...

I have the following function in a bash script that fails to return the sorted array. I think the problem lies in the recursion not correctly passing the arrays, but I can't tell what I'm doing...

This produces the exact same error I got with my original try.


sed: -e expression #1, char 4: unknown command: `/'

This strips the duplicate lines but I had to use -r to keep the headers at the beginning.

Thanks

To be more descriptive, I have a csv file that is a compilation of multiple csv files. The first three lines are column headers and I want to delete the duplicates of these lines that are in the...

I have files of more than 10K lines that I need to delete lines that contain a pattern, but I want to keep the first few lines intact. Can this be done with sed?