Shell script and AWK are very complementary languages. AWK was designed from its very beginnings at Bell Labs as a pattern-action language for short programs, ideally one or two lines long. It was intended to be used on the Unix shell interactive command line, or in shell scripts. Its feature set filled out some…
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The time-based job scheduler cron(8) has been around since Version 7 Unix, and its crontab(5) syntax is familiar even for people who don’t do much Unix system administration. It’s standardised , reasonably flexible, simple to configure, and works reliably, and so it’s trusted by both system packages and users to…