[eos-bash-shared] added a simple script eos-color for coloring text output

eos-color

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+EosColor() {
+    local color="$1"    # one of the foreground color strings below, or a reserved word below
+    local std="$2"      # optional; stdout (=default) or stderr or 2
+    local progname=${0##*/}
+
+    source "/etc/$progname.conf"
+
+    case "$color" in
+        "" | reset)    color="$RESET" ;;
+        error | fail)  color="$RED" ;;
+        info)          color="$YELLOW" ;;
+        warning)       color="$CYAN" ;;
+        tip | ok)      color="$GREEN" ;;
+    esac
+    case "$std" in
+        stderr | 2) echo -n "$color" >&2 ;;
+        *)          echo -n "$color" ;;
+    esac
+}
+
+EosColor "$@"

eos-color.conf

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# NOTE: future updates will overwrite this file!
+# To manage the colors below you need to save your changes elsewhere
+# and copy them back here.
+
+RED=$'\e[1;91m'         # foreground text colors
+GREEN=$'\e[1;92m'
+YELLOW=$'\e[1;93m'
+BLUE=$'\e[1;94m'
+MAGENTA=$'\e[1;95m'
+CYAN=$'\e[1;96m'
+RESET=$'\e[0m'          # back to normal colors