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| 17:32.23 | kyak | some commands from util-linux, dating back to old Unixes, really make me wonder: https://linux.die.net/man/1/look |
| 17:34.41 | mth | what is the point of doing a binary search on lines when you need to scan the entire file for newlines? |
| 17:35.21 | mth | or does it do a binary search on file offsets and then scan forward for newline? |
| 17:35.28 | mth | that would actually make sense |
| 17:36.44 | mth | (or scan backwards) |
| 17:37.20 | mth | unless the efficiency matters, you can just use grep though |
| 17:43.04 | kyak | i have zero ideas how 'look' could be useful. One hint is to use it to lookup words in a dictionary, like https://www.tutorialspoint.com/unix_commands/look.htm |
| 17:44.42 | kyak | by the way, if you haven't seen it, interesting talk: https://www.youtube.com/watch?v=_2NI6t2r_Hs&feature=youtu.be&t=226 |
| 17:45.03 | kyak | Rob Pyke talks about Unix history |
| 17:45.14 | kyak | *Pike |
| 17:56.09 | mth | sometimes when you learn a new command/feature, you think "I wish I knew that earlier"... but I certainly didn't have that for "look" |
| 18:07.39 | kyak | indeed |
| 18:26.19 | wpwrak | i think the secret is in the "file" argument. that's not a substitute for grep, it's a substitute for dict |
| 18:27.00 | wpwrak | (didn't know about it either - just used grep on the accursedly long path to "words" in the old days :) |
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