$ sq /proc/vmstat
{
  "nr_free_pages": 287330,
  "nr_zone_inactive_anon": 4157354
  "nr_zone_active_anon": 725726
  "nr_zone_inactive_file": 975890
  "nr_zone_active_file": 960405
  "nr_zone_unevictable": 670303
  "nr_zone_write_pending": 712
  "nr_mlock": 3223
  "nr_bounce": 0
  "nr_zspages": 0
  "nr_free_cma": 0
  "numa_hit": 5267104191
  "numa_miss": 0
  "numa_foreign": 0
  "numa_interleave": 3053
  "numa_local": 5267031177
  "numa_other": 0
  ...
}

$ sq .nr_free_pages /proc/vmstat
287330

By running one of the following commands, the latest version of sq command will be installed.

If you have a permission to write a file into /usr/local/bin directory (e.g. you are root user), please run the command below:

curl -fsSL https://raw.githubusercontent.com/bitbears-dev/sq/master/install.sh | bash

If you do not have a permission to write a file into /usr/local/bin directory, please run either of the following commands.

If you are in sudoers and want to install sq command to /usr/local/bin:

curl -fsSL https://raw.githubusercontent.com/bitbears-dev/sq/master/install.sh | sudo bash

or

If you are not in sudoers or want to install sq command to other directory e.g. $HOME/bin:

mkdir -p "$HOME/bin"
curl -fsSL https://raw.githubusercontent.com/bitbears-dev/sq/master/install.sh | BINDIR="$HOME/bin" bash

You can change "$HOME/bin" in the command above to wherever you want.

If you want to upgrade the sq command, you can just run the same command you used to install sq again.

If you want to uninstall the sq command, you can just remove sq executable file you have installed.

If the commands above did not work well, or if you want to install older version of sq command, you can download a package file that match the environment of the target from Releases page, unpack it, and place the executable file in the directory where included in PATH.

make build-for-release ver=x.y.z
make package ver=x.y.z
make release ver=x.y.z