CLI Version Numbers

cli-versions.md

CLI Version Numbers

This Gist contains handy snippets for extracting just the version number from various application version strings.

At the time of writing, the majority of these snippets were created for applications installed on a MAC via Homebrew. Please feel free to provide snippets for unsupported setups if required.

Contents

• Nginx
• PHP
• MySql

Nginx

# Standard version string
$ nginx -v
nginx version: nginx/1.17.7

# Version number only
$ nginx -v 2>&1 | grep -o '[0-9.]*$'
1.17.7

PHP

# Standard version string
$ php -v
PHP 7.3.9 (cli) (built: Nov  9 2019 08:08:13) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.9, Copyright (c) 1998-2018 Zend Technologies

# Version number only
$ php -v | awk '/^PHP/ { print $2 }'
7.3.9

MySql

# Standard version string
$ mysql -V
mysql  Ver 8.0.18 for osx10.15 on x86_64 (Homebrew)
# or
mysql  Ver 14.14 Distrib 5.7.28, for osx10.15 (x86_64) using  EditLine wrapper

# Version number only

# Formatted
mysqlVersionString=$(mysql -V)
mysqlVersionNum=$(echo $mysqlVersionString | awk '/Distrib/ { print $5 }');
if [ -z "$mysqlVersionNum" ]; then
    mysqlVersionNum=$(echo $mysqlVersionString | awk '/Ver/ { print $3 }');
fi
if [ -z "$mysqlVersionNum" ]; then
    mysqlVersionNum='Unknown';
fi
echo "${mysqlVersionNum//[!0-9.]/}";

# Compressed (for script)
vS=$(mysql -V) v=$(echo $vS | awk '/Distrib/ { print $5 }'); if [ -z "$v" ]; then v=$(echo $vS | awk '/Ver/ { print $3 }'); fi; if [ -z "$v" ]; then v='Unknown'; fi; echo "${v//[!0-9.]/}";

# Compressed (for prompt)
# - Escape the ! in the final echo
vS=$(mysql -V) v=$(echo $vS | awk '/Distrib/ { print $5 }'); if [ -z "$v" ]; then v=$(echo $vS | awk '/Ver/ { print $3 }'); fi; if [ -z "$v" ]; then v='Unknown'; fi; echo "${v//[\!0-9.]/}";