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4302
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1 Subject: Problems trying to use readline or editline ...
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2 From: Skip Montanaro <skip@dolphin.automatrix.com>
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3 To: python-list@cwi.nl
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4 Date: 19 Nov 1995 14:19:56 GMT
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5 X-Newsgroups: comp.lang.python
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6 X-Organization: Automatrix, Inc.
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7
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8
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9 I'm having some trouble with either of the line editing libraries available
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10 to me. If I build Python with libreadline, I get "staircases" in my
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11 interpreter output:
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12
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13 >>> s = 1
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14 >>> a = 3
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15 >>> etc.
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16
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17 So I figured I'd give Rich Salz's editline a try. It seems to be missing a
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18 couple readline functions. When I link I get:
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19
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20 myreadline.o: Undefined symbol _rl_insert referenced from text segment
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21 myreadline.o: Undefined symbol _rl_bind_key referenced from text segment
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22
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23 I'm running on BSD/OS 2.0 with GCC 2.6.3 as the compiler. My configure line
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24 was
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25
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26 ./configure --with-readline=/home/dolphin/skip/src/editline \
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27 --with-dl-dld=/home/dolphin/skip/src/dl-dld,/home/dolphin/skip/src/dld
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28
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29 For editline I tried several things before arriving at something that does
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30 work ... sort of. First I commented out the tab key binding in Python's
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31 Parser/myreadline.c then had to fiddle with editline.c to get tabs to
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32 insert. The diffs below seem to work, but have no notion of tab stops (I
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33 like 4-char tab stops).
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34
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35 I'd be grateful if anybody had a solution to the readline staircases or a
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36 better solution for making editline work.
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37
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38 *** editline.c~ Tue Nov 15 08:53:01 1994
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39 --- editline.c Sun Nov 19 09:15:16 1995
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40 ***************
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41 *** 142,145 ****
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42 --- 142,148 ----
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43 TTYput('?');
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44 }
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45 + else if (c == '\t') {
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46 + TTYput('\t');
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47 + }
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48 else if (ISCTL(c)) {
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49 TTYput('^');
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50 ***************
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51 *** 1326,1329 ****
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52 --- 1329,1338 ----
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53 }
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54
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55 + STATIC STATUS
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56 + tab()
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57 + {
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58 + return insert_char('\t');
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59 + }
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60 +
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61 STATIC KEYMAP Map[33] = {
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62 { CTL('@'), ring_bell },
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63 ***************
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64 *** 1335,1339 ****
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65 { CTL('G'), ring_bell },
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66 { CTL('H'), bk_del_char },
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67 ! { CTL('I'), c_complete },
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68 { CTL('J'), accept_line },
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69 { CTL('K'), kill_line },
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70 --- 1344,1348 ----
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71 { CTL('G'), ring_bell },
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72 { CTL('H'), bk_del_char },
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73 ! { CTL('I'), tab },
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74 { CTL('J'), accept_line },
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75 { CTL('K'), kill_line },
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76 --
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77 Skip Montanaro skip@automatrix.com (518)372-5583
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78 Musi-Cal: http://www.calendar.com/concerts/ or mailto:concerts@calendar.com
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79 Internet Conference Calendar: http://www.calendar.com/conferences/
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80 >>> ZLDF: http://www.netresponse.com/zldf <<<
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