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Category:S-lang: Difference between revisions
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function. This is not part of S-Lang per se, but is normally
included in the S-Lang shell "slsh". If it is missing, or you're
using some other S-Lang environment, options include
sprintf() and printf(). Their format and parameters work about
like you'd expect in a C-inspired interpreted language.
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<code>sprintf(f, d..)</code> [f=string format, d..=zero or more data items]
returns a string. <code>printf(f, d..)</code> prints to "stdout" and returns
the number of items formatted
file-pointer fp and returns the string length or -1 on error. Remember S-Lang is a "stack
language", so even if you don't care about
should "eat" it:
() = printf("S-Lang: %d tasks and counting!\n",
() = fputs("the quality of mercy is not strnen\n", stdout);
You can approximate print() with the following; NOTE the capital-S, which implicitly calls
the string() function to convert-or-describe non-strings as strings:
define print(foo) { () = printf("%S\n", foo); }
S-Lang is the extension language for the lightweight Emacs-like
[http://www.jedsoft.org/jed/ programmer's editor Jed]. There, the
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