1.5 KiB
Guile Schemeing
The purpose of this repository is to hold various small utilities I commonly
use in Scheme. Running make; sudo make install in the tk direcory will install
sources to the Guile (%site-dir) and compiled .go files to the Guile
(%site-ccache-dir). All modules are installed under the prefix tk/
short.scm
Aliases to shorten common names.
(string->symbol) => (ss>)
(symbol->string) => (ss<)
(ssa>) appends strings into a symbol
listlogic.scm
Various logical tools.
(display-if-not)
Displays a given string if the first argument is #f
(flatten)
De-nests lists into a form where no (car) contains a list
(lp&)
Tests some predicate pairwise over two lists
(l&)
Tests the equality according to eq? over two lists, returns as a list
all passing elements
(if-some)
The common (if var var) pattern
(if-some-else)
The common (if var var default) pattern
mcron.scm
Constants and functions for working with time, schedules and mcron
sec/min sec/hour sec/day sec/week
Useful constants
sec/mins sec/hours sec/days sec/weeks
Readable shortcuts, (sec/mins 4) rather than (* 4 60) or worse 240
(step-from)
Normalize a time to be the next step sized increment from a base time
(str->secs)
(strf->secs)
Converts a date string into seconds
(current-date-string)
(yesterday-date-string)
Returns the date as a string for logging purposes
ports.scm
Convenience when working with ports
(port-rewind!)