Merge pull request #109 from mcpcpc/master

checkUtils: remove non-POSIX compliant features

README.md

@@ -1,5 +1,5 @@
 
-# GIT quick statistics [![Backers on Open Collective](https://opencollective.com/git-quick-stats/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/git-quick-stats/sponsors/badge.svg)](#sponsors) [![Tweet](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=Simple%20and%20efficient%20way%20to%20access%20various%20statistics%20in%20git%20repository&url=https://github.com/arzzen/git-quick-stat&via=arzzen&hashtags=git,stats,tool,statistics,developers) [![Travis](https://api.travis-ci.org/arzzen/git-quick-stats.svg?branch=master)](https://travis-ci.org/arzzen/git-quick-stats) [![Homebrew package](https://repology.org/badge/version-for-repo/homebrew/git-quick-stats.svg)](http://braumeister.org/formula/git-quick-stats) [![Linuxbrew package](https://repology.org/badge/version-for-repo/linuxbrew/git-quick-stats.svg)](https://repology.org/metapackage/git-quick-stats/packages)
+# GIT quick statistics [![Backers on Open Collective](https://opencollective.com/git-quick-stats/backers/badge.svg)](#backers) [![Sponsors on Open Collective](https://opencollective.com/git-quick-stats/sponsors/badge.svg)](#sponsors) [![Tweet](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=Simple%20and%20efficient%20way%20to%20access%20various%20statistics%20in%20git%20repository&url=https://github.com/arzzen/git-quick-stat&via=arzzen&hashtags=git,stats,tool,statistics,developers) [![Travis](https://api.travis-ci.org/arzzen/git-quick-stats.svg?branch=master)](https://travis-ci.org/arzzen/git-quick-stats) [![Homebrew package](https://repology.org/badge/version-for-repo/homebrew/git-quick-stats.svg)](https://formulae.brew.sh/formula/git-quick-stats#default) [![Linuxbrew package](https://repology.org/badge/version-for-repo/linuxbrew/git-quick-stats.svg)](https://repology.org/metapackage/git-quick-stats/packages)
 
 > `git-quick-stats` is a simple and efficient way to access various statistics in a git repository.
 >

git-quick-stats

@@ -74,14 +74,14 @@ _theme="${_MENU_THEME:=default}"
 # ARGS: None
 # OUTS: None
 ################################################################################
-function checkUtils() {
-    local -r msg="not found. Please make sure this is installed and in PATH."
-    declare -ar utils=("awk" "basename" "cat" "column" "echo" "git" "grep" "head"
-        "seq" "sort" "tput" "tr" "uniq" "wc")
+checkUtils() {
+    readonly MSG="not found. Please make sure this is installed and in PATH."
+    readonly UTILS="awk basename cat column echo git grep head seq sort tput \
+		tr uniq wc"
 
-    for u in "${utils[@]}"
+    for u in $UTILS
     do
-        command -v "$u" >/dev/null 2>&1 || { echo >&2 "$u ${msg}"; exit 1; }
+        command -v "$u" >/dev/null 2>&1 || { echo >&2 "$u ${MSG}"; exit 1; }
     done
 }