Thanks mojo , I did what you said and the results are as follows
# tazpkg -gi wget
Connecting to mirror.slitaz.org (212.83.135.187:80)
Connecting to mirror1.slitaz.org (188.165.229.172:80)
wget-1.16.tazpkg 100% |*******************************| 129k 0:00:00 ETA
Installation of package "wget"
================================================================================
Copying package... [ Done ]
Extracting package... [ Done ]
Processing pre-install commands...
Removing all Busybox replaced utils... [ Done ]
Installing package... [ Done ]
Removing all tmp files... [ Done ]
wget is in conflict with the busybox wget.
If you want to use the busybox wget, do (as root):
ln -s /bin/busybox /usr/bin/wget
================================================================================
Package "wget" (1.16) is installed.
root@slitaz:/home/isidora# wget http://www.alsa-project.org/alsa-info.sh
converted 'http://www.alsa-project.org/alsa-info.sh' (ANSI_X3.4-1968) -> 'http://www.alsa-project.org/alsa-info.sh' (UTF-8)
--2015-04-27 05:28:49-- http://www.alsa-project.org/alsa-info.sh
Resolving http://www.alsa-project.org (www.alsa-project.org)... 77.48.224.243
Connecting to http://www.alsa-project.org (www.alsa-project.org)|77.48.224.243|:80... connected.
HTTP request sent, awaiting response... 302 Found
Location: http://git.alsa-project.org/?p=alsa-utils.git;a=blob_plain;f=alsa-info/alsa-info.sh [following]
converted 'http://git.alsa-project.org/?p=alsa-utils.git;a=blob_plain;f=alsa-info/alsa-info.sh' (ANSI_X3.4-1968) -> 'http://git.alsa-project.org/?p=alsa-utils.git;a=blob_plain;f=alsa-info/alsa-info.sh' (UTF-8)
--2015-04-27 05:28:49-- http://git.alsa-project.org/?p=alsa-utils.git;a=blob_plain;f=alsa-info/alsa-info.sh
Resolving git.alsa-project.org (git.alsa-project.org)... 77.48.224.243
Connecting to git.alsa-project.org (git.alsa-project.org)|77.48.224.243|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-sh]
Saving to: 'alsa-info.sh'
alsa-info.sh [ <=> ] 27.16K --.-KB/s in 0.1s
2015-04-27 05:28:49 (226 KB/s) - 'alsa-info.sh' saved [27812]
root@slitaz:/home/isidora# chmod +x alsa-info.sh
root@slitaz:/home/isidora# ./alsa-info.sh
sh: ./alsa-info.sh: not found
root@slitaz:/home/isidora#