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e29834b8 MW |
1 | .\" -*-nroff-*- |
2 | .\" | |
3 | .\" Manual for `runlisp' | |
4 | .\" | |
5 | .\" (c) 2020 Mark Wooding | |
6 | .\" | |
7 | . | |
8 | .\"----- Licensing notice --------------------------------------------------- | |
9 | .\" | |
10 | .\" This file is part of Runlisp, a tool for invoking Common Lisp scripts. | |
11 | .\" | |
12 | .\" Runlisp is free software: you can redistribute it and/or modify it | |
13 | .\" under the terms of the GNU General Public License as published by the | |
14 | .\" Free Software Foundation; either version 3 of the License, or (at your | |
15 | .\" option) any later version. | |
16 | .\" | |
17 | .\" Runlisp is distributed in the hope that it will be useful, but WITHOUT | |
18 | .\" ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
19 | .\" FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
20 | .\" for more details. | |
21 | .\" | |
22 | .\" You should have received a copy of the GNU General Public License | |
23 | .\" along with Runlisp. If not, see <https://www.gnu.org/licenses/>. | |
24 | . | |
25 | .ie t \{\ | |
26 | . ds o \(bu | |
27 | . if \n(.g \{\ | |
28 | . fam P | |
29 | . ev an-1 | |
30 | . fam P | |
31 | . ev | |
32 | . \} | |
33 | .\} | |
34 | .el \{\ | |
35 | . ds o o | |
36 | .\} | |
37 | . | |
38 | .de hP | |
39 | .IP | |
40 | \h'-\w'\fB\\$1\ \fP'u'\fB\\$1\ \fP\c | |
41 | .. | |
eea3b0c7 | 42 | .ds .. \&.\|.\|. |
e29834b8 MW |
43 | . |
44 | .\"-------------------------------------------------------------------------- | |
45 | .TH runlisp 1 "2 August 2020" "Mark Wooding" | |
46 | .SH NAME | |
47 | runlisp \- run Common Lisp programs as scripts | |
48 | . | |
49 | .\"-------------------------------------------------------------------------- | |
50 | .SH SYNOPSIS | |
51 | . | |
52 | .B runlisp | |
10427eb2 MW |
53 | .RI [ options ] |
54 | .RB [ \-\- ] | |
55 | .I script | |
56 | .RI [ arguments | |
eea3b0c7 | 57 | \*(..] |
e29834b8 | 58 | .br |
10427eb2 MW |
59 | .B runlisp |
60 | .RI [ options ] | |
05a9f820 MW |
61 | .RB [ \-d |
62 | .IR form ] | |
e29834b8 | 63 | .RB [ \-e |
ee78edd0 | 64 | .IR form ] |
e29834b8 MW |
65 | .RB [ \-l |
66 | .IR file ] | |
d2dbcc6f MW |
67 | .RB [ \-p |
68 | .IR form ] | |
69 | .if !t \{\ | |
70 | .br | |
71 | \c | |
72 | .\} | |
e29834b8 | 73 | .RB [ \-\- ] |
e29834b8 | 74 | .RI [ arguments |
eea3b0c7 | 75 | \*(..] |
10427eb2 MW |
76 | .PP |
77 | where | |
78 | .I options | |
79 | is | |
80 | .br | |
8ed4c352 | 81 | \c |
10427eb2 MW |
82 | .RB [ \-CDEnqv ] |
83 | .RB [ +DEn ] | |
84 | .RB [ \-L | |
eea3b0c7 | 85 | .IB sys , sys , \fR\*(..] |
8ed4c352 MW |
86 | .if !t \{\ |
87 | .br | |
88 | \c | |
89 | .\} | |
10427eb2 MW |
90 | .RB [ \-c |
91 | .IR conf ] | |
92 | .RB [ \-o | |
93 | .RI [ sect \c | |
94 | .BR : ] \c | |
95 | .IB var = \c | |
96 | .IR value ] | |
e29834b8 MW |
97 | . |
98 | .\"-------------------------------------------------------------------------- | |
99 | .SH DESCRIPTION | |
100 | . | |
101 | The | |
102 | .B runlisp | |
103 | program has two main functions. | |
104 | .hP 1. | |
105 | It can be used in a script's | |
106 | .RB ` #! ' | |
107 | line to run a Common Lisp script. | |
108 | .hP 2. | |
109 | It can be used in build scripts | |
110 | to invoke a Common Lisp system, | |
111 | e.g., to build a standalone program. | |
112 | . | |
e29834b8 MW |
113 | .SS "Options" |
114 | Options are read from the command line, as usual, | |
10427eb2 MW |
115 | but also (by default) from the script's second line, |
116 | following a | |
e29834b8 | 117 | .RB ` @RUNLISP: ' |
10427eb2 | 118 | marker: see |
e29834b8 | 119 | .B Operation |
10427eb2 | 120 | below for the details. |
e29834b8 MW |
121 | . |
122 | .PP | |
123 | The options accepted are as follows. | |
124 | . | |
125 | .TP | |
10427eb2 | 126 | .BR "\-h" ", " "\-\-help" |
e29834b8 | 127 | Write a synopsis of |
10427eb2 | 128 | .BR query-runlisp-config 's |
e29834b8 MW |
129 | command-line syntax |
130 | and a description of the command-line options | |
131 | to standard output | |
132 | and immediately exit with status 0. | |
133 | . | |
134 | .TP | |
10427eb2 | 135 | .BR "\-V" ", " "\-\-version" |
e29834b8 | 136 | Write |
10427eb2 | 137 | .BR query-runlisp-config 's |
e29834b8 MW |
138 | version number |
139 | to standard output | |
140 | and immediately exit with status 0. | |
141 | . | |
142 | .TP | |
10427eb2 | 143 | .BR "\-D" ", " "\-\-vanilla-image" |
e29834b8 MW |
144 | Don't check for a custom Lisp image. |
145 | Usually, | |
146 | .B runlisp | |
147 | tries to start Lisp systems using a custom image, | |
148 | so that they'll start more quickly; | |
149 | the | |
150 | .RB ` \-D ' | |
151 | option forces the use of the default `vanilla' image | |
152 | provided with the system. | |
153 | There's not usually any good reason to prefer the vanilla image, | |
154 | except for performance comparisons, or debugging | |
155 | .B runlisp | |
156 | itself. | |
10427eb2 MW |
157 | Negate with |
158 | .B +D | |
159 | or | |
160 | .BR \-\-no-vanilla-image . | |
e29834b8 MW |
161 | . |
162 | .TP | |
10427eb2 | 163 | .BR "\-E" ", " "\-\-command-line-only" |
e29834b8 MW |
164 | Don't read embedded options from the |
165 | second line of the | |
166 | .I script | |
167 | file. | |
10427eb2 MW |
168 | Negate with |
169 | .B +E | |
170 | or | |
171 | .BR \-\-no-command-line-only . | |
e29834b8 | 172 | This has no effect in eval mode. |
e29834b8 MW |
173 | which is set at compile time. |
174 | . | |
175 | .TP | |
eea3b0c7 | 176 | .BI "\-L" "\fR, " "\-\-accept-lisp=" sys , sys ,\fR\*(.. |
e29834b8 MW |
177 | Use one of the named Lisp systems. |
178 | Each | |
179 | .I sys | |
10427eb2 MW |
180 | must name a supported Lisp system; |
181 | the names are separated by a comma | |
182 | .RB ` , ' | |
183 | and/or one or more whitespace characters. | |
e29834b8 MW |
184 | This option may be given more than once: |
185 | the effect is the same as a single option | |
186 | listing all of the systems named, in the same order. | |
187 | If a system is named more than once, | |
188 | a warning is issued (at verbosity level 1 or higher), | |
189 | and all but the first occurrence is ignored. | |
190 | . | |
191 | .TP | |
10427eb2 MW |
192 | .BI "\-c" "\fR, " "\-\-config-file=" conf |
193 | Read configuration from | |
194 | .IR conf . | |
195 | If | |
196 | .I conf | |
197 | is a directory, then all of the files within | |
198 | whose names end with | |
199 | .RB ` .conf ', | |
200 | are loaded, in ascending lexicographical order; | |
201 | otherwise, | |
202 | .I conf | |
203 | is opened as a file. | |
af677646 | 204 | All of the files are expected to be as described in |
10427eb2 | 205 | .BR runlisp.conf (5). |
e29834b8 MW |
206 | . |
207 | .TP | |
05a9f820 MW |
208 | .BI "\-d" "\fR, " "\-\-dump-expression=" expr |
209 | Evaluate the expression(s) | |
210 | .I expr | |
211 | and print the resulting value(s) | |
212 | to standard output | |
d2dbcc6f MW |
213 | (with |
214 | .B *print-escape* | |
215 | true, as if by | |
05a9f820 MW |
216 | .BR prin1 ). |
217 | If a form produces multiple values, | |
218 | they are printed on a single line, | |
219 | separated by a single space character; | |
220 | if a form produces no values at all, | |
221 | then nothing is printed \(en not even a newline character. | |
222 | This option causes | |
223 | .B runlisp | |
224 | to execute in | |
225 | .I eval | |
226 | mode. | |
d2dbcc6f MW |
227 | See also |
228 | .RB ` \-p ', | |
229 | which prints with | |
230 | .B *print-escape* | |
231 | false. | |
05a9f820 MW |
232 | . |
233 | .TP | |
10427eb2 | 234 | .BI "\-e" "\fR, " "\-\-evaluate-expression=" expr |
e29834b8 MW |
235 | Evaluate the expression(s) |
236 | .I expr | |
237 | and discard the resulting values. | |
238 | This option causes | |
239 | .B runlisp | |
240 | to execute in | |
241 | .I eval | |
242 | mode. | |
243 | . | |
244 | .TP | |
10427eb2 | 245 | .BI "\-l" "\fR, " "\-\-load-file=" file |
e29834b8 MW |
246 | Read and evaluate forms from the |
247 | .IR file . | |
248 | This option causes | |
249 | .B runlisp | |
250 | to execute in | |
251 | .I eval | |
252 | mode. | |
253 | . | |
254 | .TP | |
bf52b6ca | 255 | .BR "\-n" ", " "\-\-dry-run" |
e29834b8 MW |
256 | Don't actually start the Lisp environment. |
257 | This may be helpful for the curious, | |
258 | in conjunction with | |
259 | .RB ` \-v ' | |
260 | to increase the verbosity. | |
10427eb2 MW |
261 | Negate with |
262 | .B +n | |
263 | or | |
264 | .BR "\-\-no-dry-run" . | |
e29834b8 MW |
265 | . |
266 | .TP | |
497e5a4a MW |
267 | .BI "\-o" "\fR, " "\-\-set-option=\fR[" sect :\fR] var = value |
268 | Assign | |
269 | .I value | |
270 | to the variable | |
271 | .I var | |
272 | in configuration section | |
273 | .IR sect , | |
274 | or | |
275 | .B @CONFIG | |
276 | if no section is specified. | |
277 | The value is unexpandable, | |
278 | and overrides any similarly named setting | |
279 | from the configuration file(s). | |
280 | . | |
281 | .TP | |
d2dbcc6f MW |
282 | .BI "\-p" "\fR, " "\-\-print-expression=" expr |
283 | Evaluate the expression(s) | |
284 | .I expr | |
285 | and print the resulting value(s) | |
286 | to standard output | |
287 | (with | |
288 | .B *print-escape* | |
289 | false, as if by | |
290 | .BR princ ). | |
291 | If a form produces multiple values, | |
292 | they are printed on a single line, | |
293 | separated by a single space character; | |
294 | if a form produces no values at all, | |
295 | then nothing is printed \(en not even a newline character. | |
296 | This option causes | |
297 | .B runlisp | |
298 | to execute in | |
299 | .I eval | |
300 | mode. | |
301 | See also | |
302 | .RB ` \-d ', | |
303 | which prints with | |
304 | .B *print-escape* | |
305 | true. | |
306 | . | |
307 | .TP | |
10427eb2 | 308 | .BR "\-q" ", " "\-\-quiet" |
e29834b8 MW |
309 | Don't print warning messages. |
310 | This option may be repeated: | |
311 | each use reduces verbosity by one step, | |
312 | counteracting one | |
313 | .RB ` \-v ' | |
314 | option. | |
315 | The default verbosity level is 1, | |
316 | which prints only warning measages. | |
317 | . | |
318 | .TP | |
10427eb2 | 319 | .BR "\-v" ", " "\-\-verbose" |
e29834b8 MW |
320 | Print informational or debugging messages. |
321 | This option may be repeated: | |
322 | each use increases verbosity by one step, | |
323 | counteracting one | |
324 | .RB ` \-q ' | |
325 | option. | |
326 | The default verbosity level is 1, | |
327 | which prints only warning measages. | |
328 | Higher verbosity levels print informational and debugging messages. | |
329 | . | |
330 | .PP | |
331 | The | |
05a9f820 | 332 | .RB ` \-d ', |
e29834b8 | 333 | .RB ` \-e ', |
d2dbcc6f | 334 | .RB ` \-l ', |
e29834b8 | 335 | and |
d2dbcc6f | 336 | .RB ` \-p ' |
e29834b8 MW |
337 | options may only be given on the command-line itself, |
338 | not following a | |
339 | .RB `@ RUNLISP: ' | |
10427eb2 | 340 | marker in a script. |
e29834b8 MW |
341 | These options may be given multiple times: |
342 | they will be processed in the order given. | |
343 | If any of these options is given, then no | |
344 | .I script | |
345 | name will be parsed; | |
346 | instead, use | |
347 | .RB ` \-l ' | |
348 | to load code from files. | |
349 | The | |
350 | .IR arguments , | |
10427eb2 | 351 | ppif any, |
e29834b8 MW |
352 | are still made available to the evaluated forms and loaded files. |
353 | . | |
354 | .SS "Operation" | |
355 | The | |
356 | .B runlisp | |
357 | program behaves as follows. | |
10427eb2 MW |
358 | . |
359 | .hP 1. | |
e29834b8 MW |
360 | The first thing it does is parse its command line. |
361 | Options must precede positional arguments, | |
362 | though the boundary may be marked explicitly using | |
363 | .RB ` \-\- ' | |
364 | if desired. | |
365 | If the command line contains any of | |
05a9f820 | 366 | .RB ` \-d ', |
e29834b8 | 367 | .RB ` \-e ', |
05a9f820 | 368 | .RB ` \-l ', |
d2dbcc6f MW |
369 | or |
370 | .RB ` \-p ', | |
e29834b8 MW |
371 | then |
372 | .B runlisp | |
373 | treats all of its positional arguments as | |
374 | .I arguments | |
375 | to provide to the given forms and files, | |
376 | and runs in | |
377 | .I eval | |
378 | mode; | |
379 | otherwise, the first positional argument becomes the | |
380 | .I script | |
381 | name, the remaining ones become | |
382 | .IR arguments , | |
383 | and | |
384 | .B runlisp | |
385 | runs in | |
386 | .I script | |
387 | mode. | |
10427eb2 | 388 | .hP 2. |
e29834b8 MW |
389 | In |
390 | .I script | |
391 | mode, | |
392 | .B runlisp | |
393 | reads the second line of the script file, | |
394 | and checks to see if it contains the string | |
395 | .RB ` @RUNLISP: '. | |
396 | If so, then the following text is parsed | |
397 | for | |
398 | .IR "embedded options" , | |
399 | as follows. | |
10427eb2 MW |
400 | .RS |
401 | .PP | |
e29834b8 MW |
402 | The text is split into words |
403 | separated by sequences of whitespace characters. | |
404 | Whitespace, | |
405 | and other special characters, | |
406 | can be included in a word by | |
407 | .I quoting | |
408 | or | |
409 | .IR escaping . | |
410 | Text between single quotes | |
eea3b0c7 | 411 | .BR ' \*(.. ' |
e29834b8 MW |
412 | is included literally, without any further interpretation; |
413 | text between double quotes | |
eea3b0c7 | 414 | .BR """" \*(.. """" |
e29834b8 MW |
415 | is treated literally, |
416 | except that escaping can still be used | |
417 | to escape (e.g.) double quotes and the escape character itself. | |
418 | Outside of single quotes, a backslash | |
419 | .RB ` \e ' | |
420 | causes the following character to be included in a word | |
421 | regardless of its usual meaning. | |
422 | (None of this allows a newline character | |
423 | to be included in a word: | |
424 | this is simply not possible.) | |
425 | A word which is | |
426 | .RB ` \-\- ' | |
427 | before processing quoting and escaping | |
428 | marks the end of embedded options. | |
429 | As a concession to Emacs users, | |
430 | if the sequence | |
431 | .RB ` \-*\- ' | |
432 | appears at the start of a word | |
433 | before processing quoting and escaping, | |
434 | then everything up to and including the next occurrence of | |
435 | .RB ` \-*\- ' | |
436 | is ignored. | |
10427eb2 | 437 | .PP |
e29834b8 MW |
438 | The resulting list of words |
439 | is processed as if it held further command-line options. | |
10427eb2 MW |
440 | Currently, only |
441 | .RB ` \-D ' | |
442 | and | |
443 | .RB ` \-L ' | |
444 | options are permitted in embedded option lists: | |
445 | .RB ` \-h ' | |
446 | and | |
447 | .RB ` \-v ' | |
448 | are clearly only useful in interactive use; | |
449 | setting | |
450 | .RB ` \-q ' | |
451 | or | |
452 | .RB ` \-v ' | |
453 | would just be annoying; | |
454 | setting | |
455 | .RB ` \-c ' | |
456 | or | |
457 | .RB ` \-o ' | |
458 | would override the user's command-line settings; | |
459 | it's clearly too late to set | |
460 | .RB ` \-E '; | |
461 | and | |
e29834b8 MW |
462 | .B runlisp |
463 | is now committed to | |
464 | .I script | |
10427eb2 | 465 | mode, so it's too late for |
05a9f820 | 466 | .RB ` \-d ', |
e29834b8 | 467 | .RB ` \-e ', |
d2dbcc6f | 468 | .RB ` \-l ', |
e29834b8 | 469 | and |
d2dbcc6f | 470 | .RB ` \-p ' |
10427eb2 MW |
471 | too. |
472 | .PP | |
e29834b8 MW |
473 | (This feature allows scripts to provide options even if they use |
474 | .BR env (1) | |
475 | to find | |
476 | .B runlisp | |
477 | on the | |
478 | .BR PATH , | |
479 | or to provide more than one option, | |
480 | since many operating systems pass the text following | |
481 | the interpreter name on a | |
482 | .RB ` #! ' | |
483 | line as a single argument, without further splitting it at spaces.) | |
10427eb2 MW |
484 | .RE |
485 | . | |
486 | .hP 3. | |
487 | If no | |
488 | .RB ` \-c ' | |
489 | options were given, | |
490 | then the default configuration files are read: | |
491 | the system configuration from | |
492 | .B @etcdir@/runlisp.conf | |
e29834b8 | 493 | and |
10427eb2 MW |
494 | .BR @etcdir@/runlisp.d/*.conf , |
495 | and the user configuration from | |
496 | .B ~/.runlisp.conf | |
497 | and/or | |
498 | .BR ~/.config/runlisp.conf : | |
499 | see | |
500 | .RB runlisp.conf (5) | |
501 | for the details. | |
502 | . | |
503 | .hP 4. | |
e29834b8 MW |
504 | The list of |
505 | .I "acceptable Lisp implementations" | |
506 | is determined. | |
507 | If any | |
508 | .RB ` \-L ' | |
10427eb2 | 509 | options have been found, |
e29834b8 MW |
510 | then the list of acceptable implementations |
511 | consists of all of the implementations mentioned in | |
bf52b6ca | 512 | .RB ` \-L ' |
e29834b8 MW |
513 | options |
514 | in any of the places | |
515 | .B runlisp | |
516 | looked for options, | |
517 | in the order of their first occurrence. | |
518 | (If an implementation is named more than once, | |
519 | then | |
520 | .B runlisp | |
521 | prints a warning to stderr | |
522 | and ignores all but the first occurrence.) | |
523 | If no | |
524 | .RB ` \-L ' | |
525 | option is given, then | |
526 | .B runlisp | |
527 | uses a default list, | |
10427eb2 MW |
528 | which consists of all of the Lisp implementations |
529 | defined in its configuration, | |
530 | in the order in which they were defined. | |
531 | . | |
532 | .hP 5. | |
e29834b8 MW |
533 | The list of |
534 | .I "preferred Lisp implementations" | |
535 | is determined. | |
10427eb2 MW |
536 | If the environment variable |
537 | .B RUNLISP_PREFER | |
538 | is set, | |
539 | then its value should be a list of names of Lisp implementations | |
540 | separated by a comma and/or one or more whitespace characters. | |
541 | Otherwise, if there is a setting for the variable | |
542 | .B prefer | |
543 | in the | |
544 | .B @CONFIG | |
545 | configuration section, | |
546 | then its (expanded) value should be a list of Lisp implementations, | |
547 | in the same way. | |
548 | Otherwise, the list of preferred implementations is empty. | |
549 | . | |
550 | .hP 6. | |
551 | If | |
e29834b8 | 552 | .B runlisp |
10427eb2 MW |
553 | is running in |
554 | .I eval | |
555 | mode, then a new command line is built, | |
556 | which invokes an internal script, | |
557 | instructing it to evaluate and print the requested expressions, | |
558 | and load the requested files. | |
559 | . | |
560 | .hP 7. | |
e29834b8 MW |
561 | Acceptable Lisp implementations are tried in turn. |
562 | First, the preferred implementations | |
563 | which are also listed as acceptable implementations | |
564 | are tried, in the order in which they appear | |
565 | in the preferred implementations list; | |
566 | then, the remaining acceptable implementations are tried | |
567 | in the order in which they appear | |
568 | in the acceptable implementations list. | |
10427eb2 MW |
569 | .RS |
570 | .PP | |
571 | A Lisp implementation is defined by a configuration section | |
572 | which defines a variable | |
573 | .BR run-script . | |
574 | The name of the configuration section | |
575 | is the name of the Lisp implementation, | |
576 | as used in the acceptable and preferred lists described above. | |
577 | .hP (a) | |
578 | The variable | |
579 | .B image-file | |
580 | is looked up in the configuration section. | |
581 | If a value is found, then | |
582 | .B runlisp | |
583 | looks up and expands | |
584 | .BR image-path , | |
585 | and checks to see if a file exists with the resulting name. | |
586 | If so, it sets the variable | |
587 | .B @image | |
588 | to | |
589 | .B t | |
590 | in the configuration section. | |
591 | .hP (b) | |
592 | The variable | |
593 | .B run-script | |
594 | is expanded and word-split. | |
595 | The | |
596 | .I script | |
597 | (an internal script, in | |
598 | .I eval | |
599 | mode) | |
600 | and | |
601 | .IR argument s | |
602 | are appended, and | |
603 | the entire list is passed to the | |
e29834b8 MW |
604 | .BR execvp (3) |
605 | function. | |
606 | If that succeeds, the Lisp implementation runs; | |
607 | if it fails with | |
608 | .B ENOENT | |
609 | then other Lisp systems are tried; | |
610 | if it fails with some other error, then | |
611 | .B runlisp | |
612 | reports an error message to stderr | |
613 | and exits unsuccessfully | |
614 | (with code 127). | |
615 | If the | |
616 | .RB ` \-n ' | |
617 | option was given, then | |
618 | .B runlisp | |
619 | just simulates the behaviour of | |
620 | .BR execvp (3), | |
621 | printing messages to stderr | |
622 | if the verbosity level is sufficiently high, | |
623 | and exits. | |
e29834b8 MW |
624 | . |
625 | .SS "Script environment" | |
10427eb2 MW |
626 | Many Lisp implementations don't provide a satisfactory environment |
627 | for scripts to run in. | |
628 | The actual task of invoking a Lisp implementation | |
629 | is left to configuration, | |
630 | but the basic configuration supplied with | |
e29834b8 | 631 | .B runlisp |
10427eb2 | 632 | ensures the following facts about their environment. |
e29834b8 MW |
633 | .hP \*o |
634 | The keyword | |
635 | .B :runlisp-script | |
636 | is added to the | |
637 | .B *features* | |
638 | list if | |
639 | .B runlisp | |
640 | is running in | |
641 | .I script | |
642 | mode. | |
643 | .hP \*o | |
644 | Most Lisp systems support a user initialization file | |
645 | which they load before entering the REPL; | |
646 | some also have a system initialization file. | |
647 | The | |
648 | .B runlisp | |
649 | program arranges | |
650 | .I not | |
651 | to read these files, | |
652 | so that the Lisp environment is reasonably predictable, | |
653 | and to avoid slowing down script startup | |
654 | with things which are convenient for use in an interactive session, | |
655 | but can't be relied upon by a script anyway. | |
656 | .hP \*o | |
657 | The Unix standard input, standard output, and standard error files | |
658 | are available through the Lisp | |
659 | .BR *standard-input* , | |
660 | .BR *standard-output* , | |
661 | and | |
662 | .BR *error-output* | |
663 | streams, respectively. | |
664 | .hP \*o | |
665 | Both | |
666 | .B *compile-verbose* | |
667 | and | |
668 | .B *load-verbose* | |
669 | are set to nil. | |
670 | On CMU\ CL, | |
671 | .B ext:*require-verbose* | |
672 | is also nil. | |
673 | Alas, this is insufficient to muffle noise while loading add-on systems | |
674 | on some implementations. | |
675 | .hP \*o | |
676 | If an error is signalled, and not caught by user code, | |
677 | then the process will print a message to stderr | |
678 | and exit with a nonzero status. | |
679 | The reported message may be a long, ugly backtrace, | |
680 | or a terse error report. | |
681 | If no error is signalled but not caught, | |
682 | then the process will exit with status 0. | |
683 | .hP \*o | |
684 | The initial package is | |
685 | .BR COMMON-LISP-USER , | |
686 | which has no symbols `present' (i.e., imported or interned). | |
687 | .hP \*o | |
688 | The | |
689 | .B asdf | |
690 | and | |
691 | .B uiop | |
692 | systems are already loaded. | |
693 | Further systems can be loaded using | |
694 | .B asdf:load-system | |
695 | as usual. | |
696 | The script name | |
697 | (which is only meaningful if | |
698 | .B runlisp | |
699 | is in | |
700 | .I script | |
701 | mode, obviously) | |
702 | and arguments are available through the | |
703 | .B uiop:argv0 | |
704 | function and | |
705 | .B uiop:*command-line-arguments* | |
706 | variable, respectively. | |
707 | . | |
708 | .\"-------------------------------------------------------------------------- | |
709 | . | |
8996f767 | 710 | .SH BUGS |
e29834b8 MW |
711 | .hP \*o |
712 | Loading ASDF systems is irritatingly noisy | |
713 | with some Lisp implementations. | |
714 | Suggestions for how to improve this are welcome. | |
715 | .hP \*o | |
716 | More Lisp implementations should be supported. | |
717 | I've supported the ones I have installed. | |
718 | I'm not willing to put a great deal of effort into supporting | |
719 | non-free Lisp implementations; | |
720 | but help supporting free Lisps is much appreciated. | |
721 | .hP \*o | |
722 | The protocol for passing the script name through to | |
723 | .B uiop | |
724 | (specifically, through the | |
725 | .B __CL_ARGV0 | |
726 | environment variable) | |
727 | is terribly fragile, | |
728 | but supporting | |
729 | .B uiop | |
730 | is obviously a better approach than introducing a | |
731 | .BR runlisp -specific | |
732 | interface to the same information. | |
733 | I don't know how to fix this: | |
734 | suggestions are welcome. | |
735 | . | |
8996f767 MW |
736 | .SH SEE ALSO |
737 | .BR dump-runlisp-image (1), | |
738 | .BR query-runlisp-config (1), | |
739 | .BR runlisp.conf (5). | |
e29834b8 | 740 | . |
8996f767 | 741 | .SH AUTHOR |
e29834b8 MW |
742 | Mark Wooding, <mdw@distorted.org.uk> |
743 | . | |
744 | .\"----- That's all, folks -------------------------------------------------- |