ls -X sort alphabetically by entry extension

commandline session $ls -lX total 1144 -rwxr-xr-x 1 jeffrin jeffrin 115430 Sep 28 01:11 bwt -rwxr-xr-x 1 jeffrin jeffrin 129354 Sep 28 01:11 ds -rw-r–r– 1 jeffrin jeffrin 1063 May 18 19:23 Makefile -rw——- 1 jeffrin jeffrin 3793 Dec 13 2005 README -rwxr-xr-x 1 jeffrin jeffrin 141313 Sep 28 01:11 testlcp drwxr-xr-x 2 jeffrin jeffrin …

Burrows–Wheeler Transform . 1994

commandline session $cat hello Hello. How are you $../bwt hello $ls hello hello~ hello.bwt $rm hello~ $ls hello hello.bwt $cat hello.bwt u.weo rHellyHaoo $ $hexdump hello.bwt 0000000 750a 772e 6f100 200a 4872 6c100 796c 6148 0000010 6f6f 0520 0000 0000 0000017 $../unbwt hello.bwt $ls hello hello.bwt hello.bwt.y $cat hello.bwt.y Hello. How are you $

Binary Tree Debug (Pre-order Related)

commandline session $gdb a.out GNU gdb (GDB) 7.4.1-debian Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type “show copying” and “show warranty” for details. This GDB …