Saprate Variables into its own file

.example-vars.tex

@@ -0,0 +1,25 @@
+\setcounter{invoiceNo}{101}
+\newcommand{\balance}{137.50}
+\newcommand{\duein}{15}% days
+\newcommand{\me}{Your~Name}
+\newcommand{\myCompany}{Your Biz}
+\newcommand\myNo{+1~(555)~555-5555}
+\newcommand\myEmail{you@example.com}
+\newcommand\myAddress{
+  1234 Sycamore Ave \\
+  Blacksburg, VA 24060
+}
+\newcommand\projectID{\#123.456}% Can be empty
+
+\newcommand{\clientName}{Sample~Client}
+\newcommand\clientContact{Jane Smith}
+\newcommand\clientContactNo{+1~(555)~555-5555}
+\newcommand\clientContactEmail{jane@example.com}
+
+
+\newcommand\clientAddress{
+  123 Street Address \\
+  City, State 55555
+}
+
+\setmetadata{\me}{Your Biz}{\arabic{invoiceNo}}{\clientName}

.gitignore

@@ -1,3 +1,4 @@
+vars.tex
 *.aux
 *.log
 *.out

Makefile

@@ -9,11 +9,14 @@
 REPORT = example
 SHOW = $(REPORT)
 
-$(REPORT).pdf: $(REPORT).tex dapper-invoice.cls
+$(REPORT).pdf: vars.tex $(REPORT).tex dapper-invoice.cls
 
 default: pdf
 
-pdf: $(REPORT:%=%.pdf)
+vars.tex:
+	cp .example-vars.tex vars.tex
+
+pdf: vars.tex $(REPORT:%=%.pdf)
 
 .tex.pdf:
 	xelatex $* && xelatex $*

README.md

@@ -23,6 +23,7 @@ A billable-time invoice featuring style over substance.
 #### Using TeX Live Locally
 
 ```
+make vars.tex # so you can add your details
 cp example.tex your-invoice-101.tex
 # make some changes to your-invoice-101.tex
 make your-invoice-101.pdf

example.tex

@@ -3,32 +3,30 @@
 %\documentclass[letterpaper,currency=euro]{dapper-invoice}
 %\documentclass[letterpaper,currency=pound]{dapper-invoice}
 
-\newcommand{\invoiceNo}{101}
-\newcommand{\balance}{137.50}
-\newcommand{\duein}{15}% days
-
-\newcommand{\me}{Your~Name}
-\newcommand{\clientName}{Sample~Client}
-
-\setmetadata{\me}{Your Biz}{\invoiceNo}{\clientName}
+\newcounter{invoiceNo}
+\input{vars.tex}
 
 \defaultfontfeatures{ Path = ./Fonts/ }
 \usepackage{fontawesome}
 
 \begin{document}
 
 \newfontface\mainLightItalic{OpenSans-LightItalic}
-\makeheader{Your\ \mainLightItalic Biz}{\invoiceNo}
+\makeheader{\myCompany}{\arabic{invoiceNo}}
 
 \twocolumnlayout{
     \begin{infoSection}
         \infoBox{Client}{\clientName \\
-                         123 Street Address \\
-                         City, State 55555 }
-        \infoBox{Project}{\#123.456}
-        \infoBox{Contact}{Jane Smith}
-        \infoSub{\faMobilePhone}{\small\slshape +1~(555)~555-5555}
-        \infoSub{\tiny\faEnvelope}{\small\slshape \emaillink{client@example.com}}
+                         \clientAddress
+                         }
+        \ifdefempty{\projectID}{}{%
+          \infoBox{Project}{\projectID}%
+        }
+        \infoBox{Contact}{\clientContact}
+        \ifdefempty{\clientContactNo}{}{%
+          \infoSub{\faMobilePhone}{\small\slshape \clientContactNo}
+        }
+        \infoSub{\tiny\faEnvelope}{\small\slshape \emaillink{\clientContactEmail}}
         \noalign{\addvspace{8ex}}
         \infoBox{}{
             {\large\raisebox{.55\height}\currencysym\huge\formatcurrency{\balance} \arrowbase} \\
@@ -39,11 +37,10 @@
     \begin{infoSection}
         \infoBox{\arrowtarget Payable To}{
             \me \\
-            1234 Sycamore Ave \\
-            Blacksburg, VA 24060
+            \myAddress
         }
-        \infoSub{\faMobilePhone}{\small\slshape +1~(555)~555-5555}
-        \infoSub{\tiny\faEnvelope}{\small\slshape \emaillink{you@example.com}}
+        \infoSub{\faMobilePhone}{\small\slshape \myNo}
+        \infoSub{\tiny\faEnvelope}{\small\slshape \emaillink{\myEmail}}
     \end{infoSection}
 }