I'm using Ubuntu 16.04 LTS.
my question is simple. icu-config does not work. but icu-devtools is already installed in my system.
this is my terminal screen
$ icu-config
The program 'icu-config' is currently not installed. To run 'icu-config' please ask your administrator to install the package 'icu-devtools'
$ sudo apt-get install icu-devtools
Reading package lists... Done
Building dependency tree
Reading state information... Done
icu-devtools is already the newest version (65.1-1+ubuntu16.04.1+deb.sury.org+1).
0 upgraded, 0 newly installed, 0 to remove and 67 not upgraded.