Category: Unix Experts

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100+ Perl One Liners

Double-space a file perl -pe ‘$\ = “\n”‘ file Double-space a file, excluding the blank lines perl -pe ‘$_ .= “\n” unless /^$/’ Add a blank line before every line perl -pe ‘s/^/\n/’ Remove all blank lines perl -ne ‘print unless /^$/’

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Announcement : Beep Beep Beep – Stroage Administration for Unix admin

  Announcement 1 : Introduction to Storage Administration at unixadminschool.com In most of the startups and small scale organizations it is often possible that unix administrators will act as seasonal storage administrators to deal with Netapp and EMC devices. Considering the fact that storage articles might...

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awk or gawk reference

Awk and Gawk – pattern scanning and processing language Gawk is the GNU Project’s implementation of the AWK programming language. It conforms to the definition of the language in the POSIX 1003.1 Standard. This version in turn is based on the description in The AWK Programming...

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Bash Scripting – Controlling the Loop

You might be tempted to think that after you start a loop, you’re stuck until the loop finishes all its iterations. This is not true. A couple of commands help us control what happens inside of a loop: The break command The continue command Each command...

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