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Explore some of the more useful but perhaps more esoteric capabilities of the Bash shell with the blog post Ten More Things I Wish I'd Known About bash. It is a followup to the highly visible post by the same author on Ten Things I Wish I'd Known About bash. Modern shells like Bash, Ksh, and Zsh have over four decades of developent and refinement, making them powerful, flexlble, and fast user interfaces for efficient work — not just excellent scripting languages for automation.
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Ten *More* Things I Wish I’d Known About bash
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(Score: 3, Informative) by urza9814 on Tuesday January 23 2018, @10:58PM
I work for a Fortune 10 company. Our core application has a few hundred shell scripts running every night for batch processing, particularly for data coming in from external sources. Various third party companies SFTP a data file, we validate and do some processing of it with a shell script, then we trigger sql or some other process to load into the database if needed. We do the same thing for data output, and that includes output to numerous state and federal regulatory agencies, so it seems to be a pretty typical way of doing these things. In total we've got around half a million lines of bash/ksh running in production...which I'm sure is nothing compared to our application level Java code, but it's still a hell of a lot more than just "configuration scripts or exploratory programming".