Commit | Line | Data |
---|---|---|
cd541405 | 1 | #lang typed/racket/no-check |
4764ff89 | 2 | |
1d753430 | 3 | (require openssl/sha1) |
4764ff89 | 4 | (require racket/date) |
9c464d95 SK |
5 | (require |
6 | net/http-client | |
edadb804 | 7 | net/uri-codec |
9c464d95 SK |
8 | net/url-string |
9 | net/url-structs) | |
4764ff89 | 10 | |
3c9c8266 SK |
11 | (require (prefix-in info: "info.rkt")) |
12 | ||
78398948 | 13 | (module+ test |
de3ff448 | 14 | (require rackunit)) |
78398948 | 15 | |
98529d3d SK |
16 | (define-type Url |
17 | net/url-structs:url) | |
18 | ||
19 | (define-type Out-Format | |
20 | (U 'single-line | |
21 | 'multi-line)) | |
22 | ||
23 | (define-type Timeline-Order | |
24 | (U 'old->new | |
25 | 'new->old)) | |
26 | ||
9c464d95 | 27 | (struct msg |
78142acb | 28 | ([ts-epoch : Integer] |
3877a0c4 | 29 | [ts-orig : String] |
cd541405 | 30 | [nick : String] |
98529d3d SK |
31 | [uri : Url] |
32 | [text : String]) | |
33 | #:type-name Msg) | |
9c464d95 SK |
34 | |
35 | (struct feed | |
cd541405 | 36 | ([nick : String] |
98529d3d SK |
37 | [uri : Url]) |
38 | #:type-name Feed) | |
4764ff89 | 39 | |
edadb804 SK |
40 | (: tt-home-dir Path-String) |
41 | (define tt-home-dir (build-path (expand-user-path "~") ".tt")) | |
42 | ||
a9511f7c | 43 | (: concurrent-filter-map (∀ (α β) (-> Natural (-> α β) (Listof α)))) |
78142acb | 44 | (define (concurrent-filter-map num-workers f xs) |
dad4504d | 45 | ; TODO preserve order of elements OR communicate that reorder is expected |
a239a233 | 46 | ; TODO switch from mailboxes to channels |
895a32cf SK |
47 | (define (make-worker id f) |
48 | (define parent (current-thread)) | |
49 | (λ () | |
a9511f7c SK |
50 | (define self : Thread (current-thread)) |
51 | (: work (∀ (α) (-> α))) | |
895a32cf SK |
52 | (define (work) |
53 | (thread-send parent (cons 'next self)) | |
54 | (match (thread-receive) | |
c562bea3 SK |
55 | ['done (thread-send parent (cons 'exit id))] |
56 | [(cons 'unit x) (begin | |
57 | (define y (f x)) | |
58 | (when y (thread-send parent (cons 'result y))) | |
59 | (work))])) | |
895a32cf | 60 | (work))) |
a9511f7c | 61 | (: dispatch (∀ (α β) (-> (Listof Nonnegative-Integer) (Listof α) (Listof β)))) |
895a32cf SK |
62 | (define (dispatch ws xs ys) |
63 | (if (empty? ws) | |
f1493e49 SK |
64 | ys |
65 | (match (thread-receive) | |
c562bea3 SK |
66 | [(cons 'exit w) (dispatch (remove w ws =) xs ys)] |
67 | [(cons 'result y) (dispatch ws xs (cons y ys))] | |
68 | [(cons 'next thd) (match xs | |
69 | ['() (begin | |
70 | (thread-send thd 'done) | |
71 | (dispatch ws xs ys))] | |
72 | [(cons x xs) (begin | |
73 | (thread-send thd (cons 'unit x)) | |
74 | (dispatch ws xs ys))])]))) | |
78142acb | 75 | (define workers (range num-workers)) |
9926c9a9 SK |
76 | (define threads (map (λ (id) (thread (make-worker id f))) workers)) |
77 | (define results (dispatch workers xs '())) | |
895a32cf SK |
78 | (for-each thread-wait threads) |
79 | results) | |
80 | ||
dad4504d | 81 | (module+ test |
de3ff448 SK |
82 | (let* ([f (λ (x) (if (even? x) x #f))] |
83 | [xs (range 11)] | |
84 | [actual (sort (concurrent-filter-map 10 f xs) <)] | |
85 | [expected (sort ( filter-map f xs) <)]) | |
c562bea3 | 86 | (check-equal? actual expected "concurrent-filter-map"))) |
dad4504d | 87 | |
98529d3d | 88 | (: msg-print (-> Out-Format Integer Msg Void)) |
3d042e75 SK |
89 | (define msg-print |
90 | (let* ([colors (vector 36 33)] | |
91 | [n (vector-length colors)]) | |
92 | (λ (out-format color-i msg) | |
01e4c499 SK |
93 | (let ([color (vector-ref colors (modulo color-i n))] |
94 | [nick (msg-nick msg)] | |
9c464d95 | 95 | [uri (url->string (msg-uri msg))] |
01e4c499 | 96 | [text (msg-text msg)]) |
3d042e75 | 97 | (match out-format |
01e4c499 SK |
98 | ['single-line |
99 | (printf "~a \033[1;37m<~a>\033[0m \033[0;~am~a\033[0m~n" | |
100 | (parameterize ([date-display-format 'iso-8601]) | |
78142acb | 101 | (date->string (seconds->date [msg-ts-epoch msg]) #t)) |
01e4c499 SK |
102 | nick color text)] |
103 | ['multi-line | |
3877a0c4 | 104 | (printf "~a (~a)~n\033[1;37m<~a ~a>\033[0m~n\033[0;~am~a\033[0m~n~n" |
01e4c499 | 105 | (parameterize ([date-display-format 'rfc2822]) |
78142acb | 106 | (date->string (seconds->date [msg-ts-epoch msg]) #t)) |
3877a0c4 | 107 | (msg-ts-orig msg) |
01e4c499 | 108 | nick uri color text)]))))) |
e96264cc | 109 | |
3877a0c4 SK |
110 | (: rfc3339->epoch (-> String (Option Nonnegative-Integer))) |
111 | (define rfc3339->epoch | |
112 | (let ([re (pregexp "^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2})(:([0-9]{2}))?(\\.[0-9]+)?(Z|([+-])([0-9]{1,2}):?([0-9]{2}))?$")]) | |
113 | (λ (ts) | |
114 | (match (regexp-match re ts) | |
115 | [(list _wholething yyyy mm dd HH MM _:SS SS _fractional tz-whole tz-sign tz-HH tz-MM) | |
116 | (let* | |
117 | ([tz-offset | |
118 | (match* (tz-whole tz-sign tz-HH tz-MM) | |
119 | [("Z" #f #f #f) | |
120 | 0] | |
121 | [(_ (or "-" "+") (? identity h) (? identity m)) | |
122 | (let ([h (string->number h)] | |
123 | [m (string->number m)] | |
124 | ; Reverse to get back to UTC: | |
125 | [op (match tz-sign ["+" -] ["-" +])]) | |
126 | (op 0 (+ (* 60 m) (* 60 (* 60 h)))))] | |
127 | [(a b c d) | |
128 | (log-warning "Impossible TZ string: ~v, components: ~v ~v ~v ~v" tz-whole a b c d) | |
129 | 0])] | |
130 | [ts-orig ts] | |
131 | [local-time? #f] | |
132 | [ts-epoch (find-seconds (if SS (string->number SS) 0) | |
133 | (string->number MM) | |
134 | (string->number HH) | |
135 | (string->number dd) | |
136 | (string->number mm) | |
137 | (string->number yyyy) | |
138 | local-time?)]) | |
139 | (+ ts-epoch tz-offset))] | |
140 | [_ | |
141 | (log-error "Invalid timestamp: ~v" ts) | |
142 | #f])))) | |
143 | ||
98529d3d | 144 | (: str->msg (-> String Url String (Option Msg))) |
b4689464 | 145 | (define str->msg |
3877a0c4 | 146 | (let ([re (pregexp "^([^\\s\t]+)[\\s\t]+(.*)$")]) |
b4689464 SK |
147 | (λ (nick uri str) |
148 | (with-handlers* | |
149 | ([exn:fail? | |
150 | (λ (e) | |
9c464d95 SK |
151 | (log-error |
152 | "Failed to parse msg: ~v, from: ~v, at: ~v, because: ~v" | |
153 | str nick (url->string uri) e) | |
b4689464 SK |
154 | #f)]) |
155 | (match (regexp-match re str) | |
3877a0c4 SK |
156 | [(list _wholething ts-orig text) |
157 | (let ([ts-epoch (rfc3339->epoch ts-orig)]) | |
158 | (if ts-epoch | |
159 | (msg ts-epoch ts-orig nick uri text) | |
160 | (begin | |
161 | (log-error | |
162 | "Msg rejected due to invalid timestamp: ~v, nick:~v, uri:~v" | |
163 | str nick (url->string uri)) | |
164 | #f)))] | |
b4689464 SK |
165 | [_ |
166 | (log-debug "Non-msg line from nick:~a, line:~a" nick str) | |
167 | #f]))))) | |
88d50b3e | 168 | |
63afa259 | 169 | (module+ test |
b4689464 SK |
170 | (let* ([tzs (for*/list ([d '("-" "+")] |
171 | [h '("5" "05")] | |
172 | [m '("00" ":00" "57" ":57")]) | |
173 | (string-append d h m))] | |
174 | [tzs (list* "" "Z" tzs)]) | |
175 | (for* ([n '("fake-nick")] | |
176 | [u '("fake-uri")] | |
177 | [s '("" ":10")] | |
178 | [f '("" ".1337")] | |
179 | [z tzs] | |
180 | [sep (list "\t" " ")] | |
181 | [txt '("foo bar baz" "'jaz poop bear giraffe / tea" "@*\"``")]) | |
182 | (let* ([ts (string-append "2020-11-18T22:22" | |
183 | (if (non-empty-string? s) s ":00") | |
184 | z)] | |
185 | [m (str->msg n u (string-append ts sep txt))]) | |
186 | (check-not-false m) | |
187 | (check-equal? (msg-nick m) n) | |
188 | (check-equal? (msg-uri m) u) | |
189 | (check-equal? (msg-text m) txt) | |
3877a0c4 | 190 | (check-equal? (msg-ts-orig m) ts (format "Given: ~v" ts)) |
b4689464 SK |
191 | ))) |
192 | ||
de3ff448 SK |
193 | (let* ([ts "2020-11-18T22:22:09-0500"] |
194 | [tab " "] | |
195 | [text "Lorem ipsum"] | |
196 | [nick "foo"] | |
197 | [uri "bar"] | |
198 | [actual (str->msg nick uri (string-append ts tab text))] | |
199 | [expected (msg 1605756129 ts nick uri text)]) | |
c562bea3 | 200 | (check-equal? |
78142acb SK |
201 | (msg-ts-epoch actual) |
202 | (msg-ts-epoch expected) | |
203 | "str->msg ts-epoch") | |
3877a0c4 SK |
204 | (check-equal? |
205 | (msg-ts-orig actual) | |
206 | (msg-ts-orig expected) | |
207 | "str->msg ts-orig") | |
c562bea3 SK |
208 | (check-equal? |
209 | (msg-nick actual) | |
210 | (msg-nick expected) | |
211 | "str->msg nick") | |
212 | (check-equal? | |
213 | (msg-uri actual) | |
214 | (msg-uri expected) | |
215 | "str->msg uri") | |
216 | (check-equal? | |
217 | (msg-text actual) | |
218 | (msg-text expected) | |
219 | "str->msg text"))) | |
63afa259 | 220 | |
98529d3d | 221 | (: str->lines (-> String (Listof String))) |
e96264cc SK |
222 | (define (str->lines str) |
223 | (string-split str (regexp "[\r\n]+"))) | |
224 | ||
63afa259 | 225 | (module+ test |
de3ff448 | 226 | (check-equal? (str->lines "abc\ndef\n\nghi") '("abc" "def" "ghi"))) |
63afa259 | 227 | |
98529d3d | 228 | (: str->msgs (-> String Url String (Listof Msg))) |
b201e854 | 229 | (define (str->msgs nick uri str) |
3877a0c4 | 230 | (filter-map (λ (line) (str->msg nick uri line)) (filter-comments (str->lines str)))) |
4764ff89 | 231 | |
edadb804 SK |
232 | (: cache-dir Path-String) |
233 | (define cache-dir (build-path tt-home-dir "cache")) | |
234 | ||
235 | (: url->cache-file-path-v1 (-> Url Path-String)) | |
236 | (define (url->cache-file-path-v1 uri) | |
237 | (define (hash-sha1 str) : (-> String String) | |
238 | (define in (open-input-string str)) | |
239 | (define digest (sha1 in)) | |
240 | (close-input-port in) | |
241 | digest) | |
242 | (build-path cache-dir (hash-sha1 (url->string uri)))) | |
243 | ||
244 | (: url->cache-file-path-v2 (-> Url Path-String)) | |
245 | (define (url->cache-file-path-v2 uri) | |
246 | (build-path cache-dir (uri-encode (url->string uri)))) | |
1d753430 | 247 | |
edadb804 | 248 | (define url->cache-file-path url->cache-file-path-v2) |
9c464d95 | 249 | |
98529d3d SK |
250 | ; TODO Return Option |
251 | (: uri-read-cached (-> Url String)) | |
4214c0f3 | 252 | (define (uri-read-cached uri) |
edadb804 SK |
253 | (define path-v1 (url->cache-file-path-v1 uri)) |
254 | (define path-v2 (url->cache-file-path-v2 uri)) | |
255 | (when (file-exists? path-v1) | |
256 | (rename-file-or-directory path-v1 path-v2 #t)) | |
257 | (if (file-exists? path-v2) | |
258 | (file->string path-v2) | |
0e16a46c | 259 | (begin |
9c464d95 | 260 | (log-warning "Cache file not found for URI: ~a" (url->string uri)) |
4214c0f3 SK |
261 | ""))) |
262 | ||
98529d3d | 263 | (: str->feed (String (Option Feed))) |
9c464d95 SK |
264 | (define (str->feed str) |
265 | (log-debug "Parsing feed string: ~v" str) | |
266 | (match (string-split str) | |
267 | [(list nick u) | |
268 | (with-handlers* | |
269 | ([exn:fail? | |
270 | (λ (e) | |
271 | (log-error "Invalid URI: ~v, exn: ~v" u e) | |
272 | #f)]) | |
273 | (feed nick (string->url u)))] | |
274 | [_ | |
275 | (log-error "Invalid feed string: ~v" str) | |
276 | #f])) | |
277 | ||
98529d3d | 278 | (: filter-comments (-> (Listof String) (Listof String))) |
9c464d95 SK |
279 | (define (filter-comments lines) |
280 | (filter-not (λ (line) (string-prefix? line "#")) lines)) | |
281 | ||
98529d3d | 282 | (: str->feeds (-> String (Listof Feed))) |
9c464d95 SK |
283 | (define (str->feeds str) |
284 | (filter-map str->feed (filter-comments (str->lines str)))) | |
285 | ||
98529d3d | 286 | (: file->feeds (-> Path-String (Listof Feed))) |
9c464d95 SK |
287 | (define (file->feeds filename) |
288 | (str->feeds (file->string filename))) | |
289 | ||
98529d3d | 290 | (: user-agent String) |
9c464d95 SK |
291 | (define user-agent |
292 | (let* | |
293 | ([prog-name "tt"] | |
3c9c8266 | 294 | [prog-version (info:#%info-lookup 'version)] |
9c464d95 | 295 | [prog-uri "https://github.com/xandkar/tt"] |
26d57c07 | 296 | [user-feed-file (build-path tt-home-dir "me")] |
9c464d95 SK |
297 | [user |
298 | (if (file-exists? user-feed-file) | |
299 | (let ([user (first (file->feeds user-feed-file))]) | |
300 | (format "+~a; @~a" (url->string (feed-uri user)) (feed-nick user))) | |
301 | (format "+~a" prog-uri))]) | |
302 | (format "~a/~a (~a)" prog-name prog-version user))) | |
303 | ||
98529d3d | 304 | (: uri-download (-> Url Void)) |
9c464d95 SK |
305 | (define (uri-download u) |
306 | (define cache-file-path (url->cache-file-path u)) | |
307 | (log-debug "uri-download ~v into ~v" u cache-file-path) | |
308 | (match* ((url-scheme u) (url-host u) (url-port u)) | |
309 | [(s h p) | |
310 | #:when (and s h) | |
311 | (define ssl? (string=? s "https")) | |
312 | (define-values (status-line headers body-input) | |
313 | ; TODO Timeout. Currently hangs on slow connections. | |
314 | (http-sendrecv | |
315 | h | |
316 | (url->string (struct-copy url u [scheme #f] [host #f])) | |
317 | #:ssl? ssl? | |
318 | #:port (cond [p p] [ssl? 443] [else 80]) | |
319 | #:headers (list (format "User-Agent: ~a" user-agent)) | |
320 | )) | |
321 | (log-debug "headers: ~v" headers) | |
322 | (log-debug "status-line: ~v" status-line) | |
323 | (define status | |
324 | (string->number (second (string-split (bytes->string/utf-8 status-line))))) | |
325 | (log-debug "status: ~v" status) | |
326 | ; TODO Handle redirects | |
327 | (if (= 200 status) | |
edadb804 SK |
328 | (begin |
329 | (make-parent-directory* cache-file-path) | |
330 | (call-with-output-file cache-file-path | |
331 | (curry copy-port body-input) | |
332 | #:exists 'replace)) | |
9c464d95 SK |
333 | (raise status))] |
334 | [(_ _ _) | |
335 | (log-error "Invalid URI: ~v" u)])) | |
4764ff89 | 336 | |
98529d3d | 337 | (: timeline-print (-> Out-Format (Listof Msg) Void)) |
b201e854 | 338 | (define (timeline-print out-format timeline) |
3d042e75 SK |
339 | (void (foldl (match-lambda** |
340 | [((and m (msg _ _ nick _ _)) (cons prev-nick i)) | |
341 | (let ([i (if (string=? prev-nick nick) i (+ 1 i))]) | |
342 | (msg-print out-format i m) | |
343 | (cons nick i))]) | |
344 | (cons "" 0) | |
345 | timeline))) | |
4764ff89 | 346 | |
98529d3d | 347 | (: feed->msgs (-> Feed (Listof Msg))) |
9c464d95 SK |
348 | (define (feed->msgs f) |
349 | (match-define (feed nick uri) f) | |
3877a0c4 | 350 | (log-info "Reading feed nick:~a uri:~v" nick (url->string uri)) |
9c464d95 | 351 | (str->msgs nick uri (uri-read-cached uri))) |
4214c0f3 | 352 | |
98529d3d | 353 | (: feed-download (-> Feed Void)) |
9c464d95 SK |
354 | (define (feed-download f) |
355 | (match-define (feed nick uri) f) | |
2db1b40f | 356 | (define u (url->string uri)) |
32dcc0b0 | 357 | (log-info "Downloading feed uri:~a" u) |
9a6a9f9a | 358 | (with-handlers |
9c464d95 | 359 | ([exn:fail? |
9a6a9f9a | 360 | (λ (e) |
2db1b40f | 361 | (log-error "Network error nick:~a uri:~v exn:~v" nick u e) |
9a6a9f9a SK |
362 | #f)] |
363 | [integer? | |
364 | (λ (status) | |
2db1b40f | 365 | (log-error "HTTP error nick:~a uri:~a status:~a" nick u status) |
9a6a9f9a | 366 | #f)]) |
2db1b40f SK |
367 | (define-values (_result _tm-cpu-ms tm-real-ms _tm-gc-ms) |
368 | (time-apply uri-download (list uri))) | |
32dcc0b0 | 369 | (log-info "Feed downloaded in ~a seconds, uri: ~a" (/ tm-real-ms 1000.0) u))) |
4214c0f3 | 370 | |
98529d3d | 371 | (: timeline-download (-> Integer (Listof Feed) Void)) |
78142acb | 372 | (define (timeline-download num-workers feeds) |
4214c0f3 | 373 | ; TODO No need for map - can just iter |
78142acb | 374 | (void (concurrent-filter-map num-workers feed-download feeds))) |
9a6a9f9a SK |
375 | |
376 | ; TODO timeline contract : time-sorted list of messages | |
98529d3d | 377 | (: timeline-read (-> Timeline-Order (Listof Feed) (Listof Msg))) |
a4899240 SK |
378 | (define (timeline-read order feeds) |
379 | (define cmp (match order | |
380 | ['old->new <] | |
381 | ['new->old >])) | |
4214c0f3 | 382 | (sort (append* (filter-map feed->msgs feeds)) |
78142acb | 383 | (λ (a b) (cmp (msg-ts-epoch a) (msg-ts-epoch b))))) |
4764ff89 | 384 | |
56de6228 SK |
385 | (: log-writer-stop (-> Thread Void)) |
386 | (define (log-writer-stop log-writer) | |
387 | (log-message (current-logger) 'fatal 'stop "Exiting." #f) | |
388 | (thread-wait log-writer)) | |
389 | ||
390 | (: logger-start (-> Log-Level Thread)) | |
391 | (define (logger-start level) | |
392 | (let* ([logger | |
393 | (make-logger #f #f level #f)] | |
394 | [log-receiver | |
395 | (make-log-receiver logger level)] | |
396 | [log-writer | |
397 | (thread | |
398 | (λ () | |
399 | (parameterize | |
400 | ([date-display-format 'iso-8601]) | |
401 | (let loop () | |
402 | (match-define (vector level msg _ topic) (sync log-receiver)) | |
403 | (unless (equal? topic 'stop) | |
404 | (eprintf "~a [~a] ~a~n" (date->string (current-date) #t) level msg) | |
405 | (loop))))))]) | |
406 | (current-logger logger) | |
407 | log-writer)) | |
01e4c499 | 408 | |
24c6a76b | 409 | (module+ main |
24f1f64b | 410 | (let ([log-level 'info]) |
c562bea3 | 411 | (command-line |
24f1f64b SK |
412 | #:program |
413 | "tt" | |
c562bea3 | 414 | #:once-each |
01e4c499 SK |
415 | [("-d" "--debug") |
416 | "Enable debug log level." | |
417 | (set! log-level 'debug)] | |
24f1f64b SK |
418 | #:help-labels |
419 | "" | |
420 | "and <command> is one of" | |
4214c0f3 SK |
421 | "r, read i : Read the timeline." |
422 | "d, download : Download the timeline." | |
edadb804 | 423 | ; TODO Add path dynamically |
3a4b2233 | 424 | "u, upload : Upload your twtxt file (alias to execute ~/.tt/upload)." |
24f1f64b SK |
425 | "" |
426 | #:args (command . args) | |
56de6228 | 427 | (define log-writer (logger-start log-level)) |
4214c0f3 | 428 | (current-command-line-arguments (list->vector args)) |
24f1f64b | 429 | (match command |
4214c0f3 | 430 | [(or "d" "download") |
2db1b40f | 431 | ; Initially, 15 was fastest out of the tried: 1, 5, 10, 20. Then I |
edadb804 | 432 | ; started noticing significant slowdowns. Reducing to 5 seems to help. |
2db1b40f | 433 | (let ([num-workers 5]) |
24f1f64b SK |
434 | (command-line |
435 | #:program | |
4214c0f3 | 436 | "tt download" |
24f1f64b SK |
437 | #:once-each |
438 | [("-j" "--jobs") | |
439 | njobs "Number of concurrent jobs." | |
78142acb | 440 | (set! num-workers (string->number njobs))] |
4214c0f3 | 441 | #:args (filename) |
32dcc0b0 SK |
442 | (define-values (_res _cpu real-ms _gc) |
443 | (time-apply timeline-download (list num-workers (file->feeds filename)))) | |
56de6228 SK |
444 | (log-info "Timeline downloaded in ~a seconds." (/ real-ms 1000.0)) |
445 | (log-writer-stop log-writer)))] | |
3a4b2233 SK |
446 | [(or "u" "upload") |
447 | (command-line | |
3877a0c4 SK |
448 | #:program |
449 | "tt upload" | |
450 | #:args () | |
edadb804 | 451 | (if (system (path->string (build-path tt-home-dir "upload"))) |
3a4b2233 SK |
452 | (exit 0) |
453 | (exit 1)))] | |
4214c0f3 | 454 | [(or "r" "read") |
a4899240 SK |
455 | (let ([out-format 'multi-line] |
456 | [order 'old->new]) | |
4214c0f3 SK |
457 | (command-line |
458 | #:program | |
459 | "tt read" | |
a4899240 SK |
460 | #:once-each |
461 | [("-r" "--rev") | |
462 | "Reverse displayed timeline order." | |
463 | (set! order 'new->old)] | |
24f1f64b SK |
464 | #:once-any |
465 | [("-s" "--short") | |
466 | "Short output format" | |
467 | (set! out-format 'single-line)] | |
468 | [("-l" "--long") | |
469 | "Long output format" | |
470 | (set! out-format 'multi-line)] | |
471 | #:args (filename) | |
a4899240 | 472 | (timeline-print out-format (timeline-read order (file->feeds filename)))))] |
24f1f64b | 473 | )))) |