On Sat, Jan 20, 2018 at 5:19 AM, Jon Ingason <jon.ingason@xxxxxxxxx> wrote: > Den 2018-01-20 kl. 10:34, skrev Tom H: >> On Sat, Jan 20, 2018 at 2:10 AM, Cameron Simpson <cs@xxxxxxxxxx> wrote: >>> >>> Also: "which rm" should show what executable is being used, and the >>> bash "which" IIRC also shows if an alias or function is involved (I'm >>> a zsh person myself). >> >> There's no "which" builtin in bash. IIRC, only tcsh and zsh have one. >> >> On Debuntu, "which" is an sh script (as it was a csh script in the >> past in Unix): >> >> th@sid ~ $ file /bin/which >> /bin/which: POSIX shell script, ASCII text executable >> th@sid ~ $ >> >> It only shows a command with an absolute path and it only has a "-a" option: >> >> th@sid ~ $ which -a which >> /usr/bin/which >> /bin/which >> th@sid ~ $ >> >> In bash, "command -v", "command -V", "type -t" will show what an executable is. > > I get following results: > > $ cat /etc/fedora-release > Fedora release 26 (Twenty Six) > $ uname -srvmo > Linux 4.14.13-200.fc26.x86_64 #1 SMP Thu Jan 11 05:43:34 UTC 2018 x86_64 > GNU/Linux > $ $ which -a which > alias which='(alias; declare -f) | /usr/bin/which --tty-only > --read-alias --read-functions --show-tilde --show-dot' > /usr/bin/which > $ file /usr/bin/which > /usr/bin/which: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), > dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for > GNU/Linux 2.6.32, > BuildID[sha1]=e5043d949b50c50148e2d8e3db71b9ee7bf8b9e9, stripped > > I read out of this that there is only on which, /usr/bin/which, at least > in Fedora 26 :-) On Fedora, of course! "which" on Fedora is a compiled executable whose upstream is on gnu.org. I was responding to the suggestion of using "which" on Ubuntu. _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
