From c2924d79b96d2e0e83c6de897ecbd170e1c31547 Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Thu, 26 Sep 2019 21:04:18 +0300
Subject: [PATCH] more comments "

---
 pfetch | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pfetch b/pfetch
index 3753592..50eba38 100755
--- a/pfetch
+++ b/pfetch
@@ -535,6 +535,13 @@ get_ascii() {
         PF_COL1=${PF_COL1:-${1:-7}}
         PF_COL3=${PF_COL3:-$((${1:-7}%8+1))}
 
+        # POSIX sh has no 'var+=' so 'var=${var}append' is used. What's
+        # interesting is that 'var+=' _is_ supported inside '$(())'
+        # (arithmetic) though there's no support for 'var++/var--'.
+        #
+        # There is also no $'\n' to add a "literal"(?) newline to the
+        # string. The simplest workaround being to break the line inside
+        # the string (though this has the caveat of breaking indentation).
         while IFS= read -r line; do
             ascii="$ascii$line
 "