extracting regex for version matching in setup. bit ugly, but can be refactored later. also grep was acting different on mac/linux mac/BSD grep no longer has -P so finally using egrep. character class \d was not working on some linux so used :digit:

include/setup.sh

@@ -10,6 +10,8 @@ if [[ "$1" == "--no-version" ]]; then
   NO_VERSION=0
 fi
 
+SIMPLE_VERSIONING="([[:digit:]]+\.?){2,3}"
+
 if [[ $TERM == xterm-*color ]]; then
   PASS="\E[32m$PASS\E[0m"
   FAIL="\E[31m$FAIL\E[0m"
@@ -23,7 +25,7 @@ _dq_report () {
     if [ "$NO_VERSION" -eq 0 ]; then
       printf "$PASS $1\n"
     else
-      printf "$PASS %-30s %s\n"  $1 $3
+      printf "$PASS %-30s %s \n" "${1}" "${3}"
     fi
     OK=$(($OK+1))
   else

lib/core/git.sh

@@ -1,6 +1,6 @@
 command_name="git"
-output=$(git --version)
+output=$(git --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*")
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING")
 
 _dq_report "$command_name" $status "$version"

lib/core/java.sh

@@ -1,5 +1,5 @@
 output=$(java -version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*\.\d*" | head -1)
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING" | head -1)
 
 _dq_report 'java' $status "$version"

lib/core/node.sh

@@ -1,6 +1,6 @@
 command_name="node"
-output=$(node --version)
+output=$(node --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*")
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING")
 
 _dq_report "$command_name" $status "$version"

lib/core/python.sh

@@ -1,5 +1,5 @@
 output=$(python --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*\.\d*" | head -1)
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING" | head -1)
 
 _dq_report 'python' $status "$version"

lib/core/ruby.sh

@@ -1,5 +1,5 @@
 output=$(ruby --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*\.\d*" | head -1)
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING" | head -1)
 
 _dq_report 'ruby' $status "$version"

lib/db/mongo.sh

@@ -1,6 +1,6 @@
 command_name="mongo-client"
-output=$(mongo --version)
+output=$(mongo --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*" | head -1)
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING" | head -1)
 
 _dq_report "$command_name" $status "$version"

lib/db/mongod.sh

@@ -1,6 +1,6 @@
 command_name="mongodb"
-output=$(mongod --version)
+output=$(mongod --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*" | head -1)
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING" | head -1)
 
 _dq_report "$command_name" $status "$version"

lib/frontend/bower.sh

@@ -1,6 +1,6 @@
 command_name="bower"
-output=$(bower --version)
+output=$(bower --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*")
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING")
 
 _dq_report "$command_name" $status "$version"

lib/frontend/coffee.sh

@@ -1,6 +1,6 @@
 command_name="coffee"
-output=$(coffee --version)
+output=$(coffee --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*")
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING")
 
 _dq_report "$command_name" $status "$version"

lib/frontend/grunt.sh

@@ -1,6 +1,6 @@
 command_name="grunt"
-output=$(grunt --version)
+output=$(grunt --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*")
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING")
 
 _dq_report "$command_name" $status "$version"

lib/frontend/npm.sh

@@ -1,6 +1,6 @@
 command_name="npm"
-output=$(npm --version)
+output=$(npm --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*")
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING")
 
 _dq_report "$command_name" $status "$version"

lib/frontend/sass.sh

@@ -1,6 +1,6 @@
 command_name="sass"
-output=$(sass --version)
+output=$(sass --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*")
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING")
 
 _dq_report "$command_name" $status "$version"

lib/frontend/yo.sh

@@ -1,6 +1,6 @@
 command_name="yeoman"
-output=$(yo --version)
+output=$(yo --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*.\d*")
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING")
 
 _dq_report "$command_name" $status "$version"

lib/groovy/groovy.sh

@@ -1,5 +1,5 @@
-output=$(groovy --version)
+output=$(groovy --version 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*\.\d*" | head -1)
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING" | head -1)
 
 _dq_report 'groovy' $status "$version"

lib/java/gradle.sh

@@ -1,6 +1,6 @@
 command_name="gradle"
 output=$(gradle -v 2>&1)
 status=$?
-version=$(echo "$output" | grep -o "\d*\.\d*" | head -1)
+version=$(echo "$output" | egrep -o "$SIMPLE_VERSIONING" | head -1)
 
 _dq_report "$command_name" $status "$version"