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