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...Bash shell scripting tutorial scott t milner september introduction the is program we interact with when type at a unix command line prompt there are actually several dierent programs most commonly used and other shells include facilities for writing called scripts have overlapping but distinct capabilities syntax in this assume can be to automate tasks involving as well that run under language reects an accretion of good ideas convenient tricks contrast coherently designed full featured programming languages such python which also write automating however because its direct relationship conceived set tools com prises all commands directly indeed many useful consist little more than sequence could typed benets immensely from concept small dened utilities combined perform larger by use pipes redirection standard inputandoutput familiaritywiththisapproachisaprerequisiteforwritinggoodscripts likewise powerful versatile grep sed awk greatly extend range what simple do disadvantages beyond ...