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Fravadona has asked 10 questions and find answers to 10 problems.

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Fravadona questions

Getting the total count of IDs from a comma delimited list of IDs that can contain ranges with awk
Characterise Awk regex engine
Classify input numbers into fixed ranges, several million of times
Why does "echo" operate like "echo -e" in my bash?
how to sort a huge number of files with an obscure program that only outputs their ordering
implementing a `maxsplit` function in POSIX awk
Trim function for awk
Strange behavior of `unset` for local variables

Fravadona answers

Concatenate multiple input sources into a single IO object in Ruby
Is there a way to split a string in fixed width chunks in XPath?
How to use Bash array of globs with find?
Compare outputs of two `find` commands
Stop bash if any of the functions fail in parallel
What is the equivalent of python zip() function in linux bash? [duplicate]
Get element from which onclick function is called
Bash completion function on various OSs: problem with @ while completing hosts
Simulate Bash's COMPREPLY response without actually completing it