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| 00:20.37 | *** topic/#maemo is Welcome to #maemo http://maemo.org/intro/ | "firmware" see ~lf (or ~tabletsdev ~combined ~emmc ~flasher) sdk: ~sb | http://wiki.maemo.org/Community_Council | Source: http://wiki.maemo.org/Sources | Chanlog: http://mg.pov.lt/maemo-irclog http://maemo.cloud-7.de/irclogs/freenode/_maemo/latest.log.html | #maemo-ssu is where the (few) devels and maintainers of the maemo-future meet |
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| 12:15.10 | sixwheeledbeast | can random be used in a loop on the shell without having the same number come up |
| 12:17.11 | KotCzarny | ? |
| 12:17.25 | KotCzarny | try: echo $RANDOM |
| 12:17.32 | KotCzarny | works in bash |
| 12:17.34 | sixwheeledbeast | to avoid xy I need to pull a random list of say 50 integers from a pool of 01-99 . I beleive RANDOM will repeat them if in a loop |
| 12:17.48 | KotCzarny | it returns 0-32767 i think |
| 12:18.04 | KotCzarny | up to you to scale it to range you need |
| 12:18.07 | sixwheeledbeast | i want no duplicates |
| 12:18.15 | KotCzarny | thats not random then |
| 12:18.47 | KotCzarny | what you need is to create an array with 99 elements, then shuffle it |
| 12:18.57 | sixwheeledbeast | well I suppose so but that's what i am looking for |
| 12:19.12 | sixwheeledbeast | i see is array the best way you think? |
| 12:19.39 | KotCzarny | otherwise you have to keep different array with 'used' numbers anyway |
| 12:19.59 | KotCzarny | and having to scan through it on every new return |
| 12:20.38 | sixwheeledbeast | I suppose so. I didn't think of it like that. i was hoping for a shell function already there :) |
| 12:21.13 | KotCzarny | i havent seen such functionality in bash |
| 12:21.44 | KotCzarny | anyway, your problem is 'shuffle deck of cards then deal them' |
| 12:21.54 | KotCzarny | taught in schools often |
| 12:22.06 | KotCzarny | so there should be lots of examples for different languages |
| 12:22.10 | sixwheeledbeast | np array it is then. school? |
| 12:22.26 | KotCzarny | ya, it101 |
| 12:23.11 | sixwheeledbeast | school is long behind me we where lucky to have working ones in my era |
| 12:23.39 | KotCzarny | but as i've said, google: deal shuffled deck of cards in bash |
| 12:26.48 | Maxdamantus | or a more interesting way of looking at it: find an information densitity preserving encryption, and encrypt all possible inputs in a predictable sequence. |
| 12:27.08 | KotCzarny | or basically: shuffle in bash |
| 12:27.13 | Maxdamantus | basically, encrypt(0), encrypt(1), encrypt(2), .. encrypt(n) |
| 12:27.31 | sixwheeledbeast | yep i am waiting for something to render so can't open a browser at the moment, hence I thought I'd ask the question having used random before. |
| 12:27.53 | KotCzarny | swb: but it's better to use any scripting lang, perl/php/python |
| 12:28.03 | KotCzarny | whichever you are best in |
| 12:28.25 | KotCzarny | at some point you will have to switch to it when adding functionality |
| 12:28.44 | Maxdamantus | anyway, if you want a sequence of numbers in a random order: seq 99 | sort -R | head -50 |
| 12:29.23 | KotCzarny | wow |
| 12:29.24 | sixwheeledbeast | only ever used bash for most things but i can have a look in python if necessary. |
| 12:29.30 | KotCzarny | i forgot sort has shuffle |
| 12:29.33 | Maxdamantus | (`seq 99` is a bit weird; I suspect what you really want is either `seq 0 99` or `seq 100`, which both emit 100 numbers (`seq 99` emits 99 numbers)) |
| 12:30.06 | sixwheeledbeast | oh useful ty :) |
| 12:30.46 | KotCzarny | seq -f '%02.0f' 1 99|sort -R |
| 12:30.47 | KotCzarny | done |
| 12:31.55 | KotCzarny | if you want only 50 of them, add |head -50 |
| 12:33.05 | sixwheeledbeast | oh i see you have used the format flag to have 2sf nice |
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| 15:20.10 | KotCzarny | Mangy_Dog: pink screen on hdmi means hdmi pixel format failed |
| 15:20.14 | KotCzarny | erm, wrong chan |
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