Errors in ubuntu_install.sh

[moorepants]

--2015-11-15 11:16:01--  https://www.dropbox.com/download?dl=packages/ubuntu/dropbox_2015.10.28_amd64.deb
Resolving www.dropbox.com (www.dropbox.com)... 108.160.172.206, 108.160.172.238
Connecting to www.dropbox.com (www.dropbox.com)|108.160.172.206|:443... connected.
HTTP request sent, awaiting response... 301 MOVED PERMANENTLY
Location: https://linux.dropbox.com/packages/ubuntu/dropbox_2015.10.28_amd64.deb [following]
--2015-11-15 11:16:01--  https://linux.dropbox.com/packages/ubuntu/dropbox_2015.10.28_amd64.deb
Resolving linux.dropbox.com (linux.dropbox.com)... 108.160.172.206, 108.160.172.238
Connecting to linux.dropbox.com (linux.dropbox.com)|108.160.172.206|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 95238 (93K) [application/octet-stream]
Saving to: ‘dropbox_2015.10.28_amd64.deb’

dropbox_2015.10.28_amd64.deb                       100%[==================================================================================================================>]  93.01K  --.-KB/s   in 0.06s  

2015-11-15 11:16:02 (1.56 MB/s) - ‘dropbox_2015.10.28_amd64.deb’ saved [95238/95238]

[sudo] password for moorepants: 
Selecting previously unselected package dropbox.
(Reading database ... 329485 files and directories currently installed.)
Preparing to unpack dropbox_2015.10.28_amd64.deb ...
Unpacking dropbox (2015.10.28) ...
Setting up dropbox (2015.10.28) ...
Please restart all running instances of Nautilus, or you will experience problems. i.e. nautilus --quit
Dropbox installation successfully completed! You can start Dropbox from your applications menu.
Processing triggers for gnome-menus (3.13.3-6ubuntu1) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu3) ...
Processing triggers for bamfdaemon (0.5.2~bzr0+15.10.20150627.1-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for mime-support (3.58ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Processing triggers for man-db (2.7.4-1) ...
/home/moorepants
ln: failed to create symbolic link ‘/home/moorepants/.bashrc’: File exists
ln: failed to create symbolic link ‘/home/moorepants/.vimrc’: File exists
requesting all changes
adding changesets
adding manifests
adding file changes
added 158 changesets with 191 changes to 19 files (+1 heads)
updating to branch default
16 files updated, 0 files merged, 0 files removed, 0 files unresolved
cp: cannot create regular file ‘/home/moorepants/.config/inkscape/extensions/’: No such file or directory
cp: cannot stat ‘/home/moorepants/src/textext/textex.inx’: No such file or directory
fatal: destination path '/home/moorepants/src/MathJax' already exists and is not an empty directory.
fatal: destination path '/home/moorepants/src/deck.js' already exists and is not an empty directory.
--2015-11-15 11:16:30--  https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh
Resolving repo.continuum.io (repo.continuum.io)... 23.21.145.66, 107.20.205.196, 23.23.112.241, ...
Connecting to repo.continuum.io (repo.continuum.io)|23.21.145.66|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 29010771 (28M) [application/octet-stream]
Saving to: ‘Miniconda3-latest-Linux-x86_64.sh.3’

Miniconda3-latest-Linux-x86_64.sh.3                100%[==================================================================================================================>]  27.67M  2.01MB/s   in 18s    

2015-11-15 11:16:49 (1.52 MB/s) - ‘Miniconda3-latest-Linux-x86_64.sh.3’ saved [29010771/29010771]

/home/moorepants
ERROR: File or directory already exists: /home/moorepants/miniconda3
ubuntu_install.sh: line 64: conda: command not found