Re: 'hash foo' may fail, and would require something like 'hash /usr/bin/foo'

[Chet Ramey]

On 2/22/22 12:19 PM, Benoit Lacelle wrote:

# docker run -it node:14.18.2-alpine sh
Unable to find image 'node:14.18.2-alpine' locally
14.18.2-alpine: Pulling from library/node
59bf1c3509f3: Pull complete
331f5eb007b4: Pull complete
bcd1922beba2: Pull complete
72573d587fdf: Pull complete
Digest: sha256:1e7481a9a977d8e4160a73ed6a0e726724570bf7d941adbec63a82cf7c07ae19
Status: Downloaded newer image for node:14.18.2-alpine
/ # apk --no-cache add bash
fetch https://dl-cdn.alpinelinux.org/alpine/v3.15/main/x86_64/APKINDEX.tar.gz
fetch
https://dl-cdn.alpinelinux.org/alpine/v3.15/community/x86_64/APKINDEX.tar.gz
(1/4) Installing ncurses-terminfo-base (6.3_p20211120-r0)
(2/4) Installing ncurses-libs (6.3_p20211120-r0)
(3/4) Installing readline (8.1.1-r0)
(4/4) Installing bash (5.1.16-r0)
Executing bash-5.1.16-r0.post-install
Executing busybox-1.34.1-r3.trigger
OK: 10 MiB in 20 packages
/ # bash
bash-5.1# type -a npm
npm is /usr/local/bin/npm
bash-5.1# ls -l /usr/local/bin/npm
lrwxrwxrwx    1 root     root            38 Jan  3 19:28 /usr/local/bin/npm
-> ../lib/node_modules/npm/bin/npm-cli.js
bash-5.1# ls -l /usr/local/lib/node_modules/npm/bin/npm-cli.js
-rwxr-xr-x    1 root     root          4706 Nov 30 12:04
/usr/local/lib/node_modules/npm/bin/npm-cli.js
bash-5.1# hash npm
bash-5.1# hash
hits    command
   0    /usr/local/bin/npm
   2    /bin/ls
bash-5.1# echo $BASH_VERSION
5.1.16(1)-release
bash-5.1# hash npm ; echo $?
0
bash-5.1# exit
exit
/ # exit

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/