unary operator expected

Avast Business Avast Business for Linux
1

after unpacking tar file tried to install avast1.0.5 with the command ./lib/avast4workstation/…/install-desktop-entries.sh and I got the following error message:

line 93: test: =: unary operator expected

I am running Fedora 4 kernel buld 2.6.16-1.2096

Help appreciated

2

The script usage is:
install-desktop-entries.sh install|uninstall [DESTDIR]

You forgot to insert ‘install’ parameter
I’ll add a small usage output to the script