tests: Add new glyphs to vertical lines test

and improve the script code in general

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

bin/scripts/test-vertical-lines.sh

@@ -1,27 +1,24 @@
 #!/usr/bin/env bash
 # Nerd Fonts Version: 3.1.1
-# Script Version: 1.0.1
+# Script Version: 1.1.0
 #
 # A more conceise version of the Powerline test, designed to show
 # the dreaded 'faint vertical lines' phenomenon from LCD antialiasing
 
+function some_output {
+    printf "\
+%s                                                         \n\
+Under \ue0b2%s lap %s\ue0b0 and \ue0b6%s top %s\ue0b4 mop   \ue0b2\ue0d6 \ue0d7\ue0b0     \n\
+%sOver \ue0b2%s lap %s\ue0b0 and \ue0b6%s top %s\ue0b4 mop trop lop klop\n\
+                                      \n" \
+"${1}" "${2}" "${1}" "${2}" "${1}" \
+"${1}" "${2}" "${1}" "${2}" "${1}"
+}
+
 COL_A=$(printf '\033[48;5;51m\033[38;5;200m')
 COL_B=$(printf '\033[48;5;200m\033[38;5;51m')
 COL_C=$(printf '\033[48;5;238m\033[38;5;253m')
 COL_D=$(printf '\033[48;5;253m\033[38;5;238m')
 
-printf "\
-%s                                                         \n\
-Under \ue0b2%s lap %s\ue0b0 and \ue0b6%s top %s\ue0b4 mop             \n\
-%sOver \ue0b2%s lap %s\ue0b0 and \ue0b6%s top %s\ue0b4 mop trop lop klop\n\
-                                      \n" \
-"${COL_A}" "${COL_B}" "${COL_A}" "${COL_B}" "${COL_A}" \
-"${COL_A}" "${COL_B}" "${COL_A}" "${COL_B}" "${COL_A}"
-
-printf "\
-%s                                                         \n\
-Under \ue0b2%s lap %s\ue0b0 and \ue0b6%s top %s\ue0b4 mop             \n\
-%sOver \ue0b2%s lap %s\ue0b0 and \ue0b6%s top %s\ue0b4 mop trop lop klop\n\
-                                      \n" \
-"${COL_C}" "${COL_D}" "${COL_C}" "${COL_D}" "${COL_C}" \
-"${COL_C}" "${COL_D}" "${COL_C}" "${COL_D}" "${COL_C}"
+some_output "${COL_A}" "${COL_B}"
+some_output "${COL_C}" "${COL_D}"