Re^2: Favourite One-liners?

in reply to Re: Favourite One-liners?
in thread Favourite One-liners?

My most common one-liner, which accomplishes the "arithmetic evaluation" goal, is perl -ple'$_="> ".eval' (Déjà vu?)

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Re^3: Favourite One-liners? by tlm (Prior) on Jul 02, 2005 at 05:07 UTC
Other than the inherent awesomeness of producing a Perl REPL in under 25 characters, I don't see why one would prefer this one-liner to the even shorter `perl -de1` [download] True, with the debugger one has to suffer the aggravation of having to prepend `p` or `x` to expressions if one wants to see the evaluated output, but in return one gets plenty of features like (off the top of my head): Readline with history (this one alone saves so much typing that it more than compensates for having to type those extra `p`'s and `x`'s); The option of paged output; The Joy of x, including not only pretty printing of complex data structures (with optional paging), but also the ability to specify the depth the pretty-printing; the lowliest monk	[reply] [d/l] [select]

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Re^3: Favourite One-liners?
by tlm (Prior) on Jul 02, 2005 at 05:07 UTC

Other than the inherent awesomeness of producing a Perl REPL in under 25 characters, I don't see why one would prefer this one-liner to the even shorter

perl -de1
[download]

p

x

Readline with history (this one alone saves so much typing that it more than compensates for having to type those extra p's and x's);
The option of paged output;
The Joy of x, including not only pretty printing of complex data structures (with optional paging), but also the ability to specify the depth the pretty-printing;

the lowliest monk

[reply]
[d/l]
[select]

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