improved code quality, few bug fixes

lib/utils.sh

@@ -1,3 +1,4 @@
+#!/bin/bash
 # ------------------------------------------------------------------------------
 # Various utilitary functions
 # This file is part of the init.sh project
@@ -25,7 +26,7 @@ function_exists() {
 	die 11 --force
     fi
 
-    if [[ $(LC_ALL=C type -t $1 | grep function) ]]; then
+    if [[ -n $(LC_ALL=C type -t $1 | grep function) ]]; then
 	return 0
     else
 	return 1
@@ -42,7 +43,7 @@ get_mod_name()
 	prnt E "get_mod_name(): Bad number of parameters."
 	die 11 --force
     fi
-    echo $(basename $1 | cut -f 1 -d '.')
+    basename $1 | cut -f 1 -d '.'
 }
 export -f get_mod_name
 
@@ -52,7 +53,7 @@ export -f get_mod_name
 trim()
 {
     local string="$@"
-    echo "$(sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'<<<"${string}")"
+    sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'<<<"${string}"
     unset string
 }
 export -f trim