one liners

Suppose you want to know how many files are in the current directory.ls | wc -l

The Linux and Unix Menagerie: "Almost time for the weekend, so I thought we'd go back and look at some more simple Perl one-liners.

Note that this post is not really meant to be educational in any way, but maybe it'll help someone out there somewhere.

If anything, it should pass a good 5 to 10 minutes of your time when you could be doing something useful ;)"

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Back to the short-line code. A bit on the lighter side.

Linux.com: "...a one-liner is a set of commands normally joined through a pipe (|). When joined by a pipe, the command on the left passes its output to the command on the right.

Simple or complex, you can get useful results from a single line at the bash command prompt."

By Sergio Gonzalez Duran on July 23, 2008 Share Comments In this context, a one-liner is a set of commands normally joined through a pipe .

"Another week, another batch of mostly pretty small fixes. Hopefully the regression list is shrinking, and we've fixed at least a couple of the oopses on Arjan's list," said Linux creator Linus Torvalds, announcing the 2.6.26-rc5 kernel.

He added, "as usual, the bulk of the changes are in drivers and arch code - together they are about 70% of the diffstat.

And the arch stats are bloated by some new/updated SH and avr defconfig files, which is also fairly common at this stage." Linus concluded: