On Fri, Jun 28, 2024 at 09:50:29PM -0700, Kayven Riese wrote: > My friend pointed out strange behavior trying to do: > > $ ls -l | cut -d' ' -f7 >
-d' ': delimiter is a **single** space character -f7: seventh field > > kayve@kayve-HP-Compaq-Elite-8300-CMT:~/src$ ls -l | cut -d' ' -f7 > > 40829864 > > 35769753 > > 93222080 > > 70233788 > 56057072 > > May > Sep > > > > 86001449 > 14117396 > > 22272241 > > > > > > kayve@kayve-HP-Compaq-Elite-8300-CMT:~/src$ ls -l > total 723072 > -rw-rw-r-- 1 kayve kayve 40829864 Sep 21 2020 > arenalinux_64bit_3.10beta.tar.gz > drwxr-xr-x 6 kayve kayve 4096 Sep 8 2021 bitcoin-22.0 > -rw-rw-r-- 1 kayve kayve 35769753 Apr 22 2022 > bitcoin-22.0-x86_64-linux-gnu.tar.gz > drwxrwxr-x 17 kayve kayve 4096 Jun 28 18:08 coreutils > -rwxrwxr-x 1 kayve kayve 93222080 Apr 19 11:06 > en-croissant_0.10.0_amd64.AppImage > drwxrwxr-x 3 kayve kayve 4096 Jan 24 2022 flatiron > -rw-rw-r-- 1 kayve kayve 70233788 Sep 18 2020 > google-chrome-stable_current_amd64.deb > -rw-rw-r-- 1 kayve kayve 56057072 Jul 28 2020 google-earth.deb > drwxr-xr-x 4 kayve kayve 4096 Mar 23 2022 > LibreOffice_7.3.2.2_Linux_x86-64_deb __..........12.3.....4.....5.........6 > -rw-rw-r-- 1 kayve kayve 196010288 May 1 2022 > LibreOffice_7.3.2_Linux_x86-64_deb.tar.gz field1 3 f4 f5 field6 f7 > -rw-rw-r-- 1 kayve kayve 122102820 Sep 16 2020 Maltego.v4.2.12.13389.deb > -rw-rw-r-- 1 kayve kayve 121453 Sep 14 2020 Maltego.v4.2.12.13389.deb.0 > -rw-rw-r-- 1 kayve kayve 173677 Sep 14 2020 Maltego.v4.2.12.13389.deb.1 > -rw-rw-r-- 1 kayve kayve 35005 Sep 15 2020 Maltego.v4.2.12.13389.deb.2 > -rw-rw-r-- 1 kayve kayve 86001449 Sep 15 2020 Maltego.v4.2.12.13389.deb.3 > -rw-rw-r-- 1 kayve kayve 14117396 Sep 16 2020 Maltego.v4.2.12.13389.deb.4 > drwxrwxr-x 4 kayve kayve 4096 Oct 12 2020 MonoDevelop > -rw-rw-r-- 1 kayve kayve 22272241 Oct 10 2020 > monodevelop_7.8.4.1-0xamarin6+ubuntu1804b1_amd64.deb > -rw-rw-r-- 1 kayve kayve 1601364 May 25 2021 > realtek-rtl8814au-dkms_5.8.5.1~git20210331.bdf80b5-0kali1_all.deb > -rw-rw-r-- 1 kayve kayve 1795172 May 25 2021 > realtek-rtl88xxau-dkms_5.6.4.2~git20210327.c0ce817-0kali2_all.deb > drwxrwxr-x 2 kayve kayve 4096 Nov 17 2023 Russ_c_programs > drwxrwxr-x 3 kayve kayve 4096 Nov 30 2023 snort-source-files > drwxrwxr-x 2 kayve kayve 4096 Jan 24 2023 WordPress > kayve@kayve-HP-Compaq-Elite-8300-CMT:~/src$ > > > I believe someone suggested using awk instead, Yes, awk is aware of white space, one or more space character, as field separator. > but my friend resisted, Her / His choice, her / his problem. > I guess opting for improving the simpler cut. I have distilled it > sufficiently in my mind to have a clear view on this. My friend pointed > out that if you are using comma separated values and I added /etc/passwd, > in either case where something like '..::..' or '..,,..' should indicate > one or more null fields, if you want to separate by whitespace, i.e. one or > more spaces, etc., merging consecutive delimiters might be useful, as > illustrated by the above example. Therefore, I am in agreement with my > friend that adding this -m to merge delimiters option might be nice. Acknowledge > Unfortunately, although I have a good academic background in hacking *NIX > C, and am able to install various *NIX distros, e.g. BSD, Gentoo, and > Ubuntu, my ability to get up to speed in being part of a digital community > is slightly wanting. I am having a hard time installing the coreutils, > although I have managed to create a git directory, I am having trouble with > compilation, as will be seen below. If anyone has any advice on what I am > missing to try to help improve GNU coreutils, I would greatly appreciate > the advice. > > > kayve@kayve-HP-Compaq-Elite-8300-CMT:~/src/coreutils$ git show > ... > kayve@kayve-HP-Compaq-Elite-8300-CMT:~/src/coreutils$ make -f cfg.mk > ... > make: *** [cfg.mk:61: world] Error 1 > kayve@kayve-HP-Compaq-Elite-8300-CMT:~/src/coreutils$ > Untested: debcheckout coreutils cd coreutils debuild Upon succesfull build, add your changes plus another debuild Groeten Geert Stappers -- Silence is hard to parse
