RPL on an HP-48SX. Yep, a calculator. But that got me interested in programming, so I started taking night courses in C and C++. At the time my job wasn't programming but I wrote some stuff in C to automate some tedious tasks, mostly text munging. Then I found a $5 intro to Perl book in the bargain bin and realized how much extra work I'd been doing. Perl made me really enjoy programming, which led to a career change. Now my job is developing software though not as much in Perl as I'd like.
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