| --- Log opened Thu Nov 24 00:00:01 2011 |
| 00:05 | | cpux [cpux@Nightstar-c5874a39.dyn.optonline.net] has joined #code |
| 00:10 | | You're now known as TheWatcher[T-2] |
| 00:17 | | You're now known as TheWatcher[zZzZ] |
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| 01:26 | | Derakon[AFK] is now known as Derakon |
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| 03:22 | | * Derakon looks up. |
| 03:22 | < Derakon> | grep -E '^.{7}' file |
| 03:23 | < Derakon> | ^ indicates beginning of line, . matches any character, and {7} means there must be 7 of them. |
| 03:23 | < celticminstrel> | So any file with a line of 7 or more characters. |
| 03:24 | < Derakon> | Any line that starts with 7 characters, which implies the line must have at least 7 characters in it. :) |
| 03:24 | < celticminstrel> | Ah, what AnnoDomini was asking... but he's gone... |
| 03:24 | < Derakon> | So he is. |
| 03:24 | < Derakon> | Oh well. |
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| 11:14 | < Ling> | RE: ^.{7} and ^.......* you don't need the ^, just .{7} |
| 11:18 | < AnnoDomini> | Why don't I need the ^? |
| 11:18 | < AnnoDomini> | Is it because grep already reads lines? |
| 11:21 | < Ling> | ^ doesn't make a regex "read lines" |
| 11:21 | < Ling> | grep works on lines regardless though. |
| 11:28 | | Stalker [Z@Nightstar-3602cf5a.cust.comxnet.dk] has joined #code |
| 11:28 | < Ling> | $ python -c 'for i in range(1,10): print(str(i) * i)' | egrep '.{7}' |
| 11:29 | < AnnoDomini> | Well, needful or not, I got what I wanted with my inefficient regex. :P |
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| 14:02 | <@jerith> | '^' means "start of line". |
| 14:03 | | * AnnoDomini knows this. |
| 14:04 | <@jerith> | Oh, I missed the earlier bit of the conversation. |
| 14:05 | <@jerith> | In that case, you're trying to assert a minimum length, so it doesn't matter. |
| 14:05 | <@jerith> | But '^abc' and 'abc' are different. |
| 14:06 | <@jerith> | (In Python, there are two regex match functions. re.match() only matches the start of the string, re.search() does the more general match-anywhere thing.) |
| 14:09 | < AnnoDomini> | (Heh at the names.) |
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| 14:49 | <~Vornicus> If you're looking for a line seven or more characters long, it doesn't matter whether your match happens at the start. |
| 14:49 | <~Vornicus> It will /anyway/, because regex gives you the first one it finds, but it doesn't matter |
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| 23:07 | < celticminstrel> | Alright, so I see what topological sort is but not how to apply it to the problem of merging those lists that overlap... |
| --- Log closed Fri Nov 25 00:00:16 2011 |