log file process will no longer cause script to fail if the log file …

…can not be opened: #145

LatexIndent/Document.pm

@@ -162,15 +162,18 @@ sub output_indented_text{
     # open log file
     my $logfileName = $switches{logFileName}||"indent.log";
     my $logfile;
-    open($logfile,">","${$self}{cruftDirectory}/$logfileName") or die "Can't open $logfileName";
+    my $logfilePossible = 1;
+    open($logfile,">","${$self}{cruftDirectory}/$logfileName") or $logfilePossible =0;
 
-    foreach my $line (@{LatexIndent::Logger::logFileLines}){
-        print $logfile $line,"\n";
-    }
+    if($logfilePossible){ 
+        foreach my $line (@{LatexIndent::Logger::logFileLines}){
+            print $logfile $line,"\n";
+        }
+
+        # close log file
+        close($logfile);
+    } 
 
-    # close log file
-    close($logfile);
-
     # output to screen, unless silent mode
     print ${$self}{body} unless $switches{silentMode};
 

documentation/sec-default-user-local.tex

@@ -152,7 +152,8 @@ \section{defaultSettings.yaml}\label{sec:defuseloc}
 %(*@@*)\end{noindent}
 	\end{cmhlistings}
 
-    Important note: it is assumed that the \texttt{noindent} block statements appear on their own line.
+	Important note: it is assumed that the \texttt{noindent} block statements appear on
+	their own line.
 
 \yamltitle{removeTrailingWhitespace}*{fields}\label{yaml:removeTrailingWhitespace}
 

documentation/sec-how-to-use.tex

@@ -317,6 +317,14 @@ \subsection{From the command line}\label{sec:commandline}
 	if you wish to change the name of this file, simply call the script with your chosen name
 	after the \texttt{-g} switch as demonstrated above.
 
+	\announce{new}{log file updated} If \texttt{latexindent.pl} can not open the log file that you
+	specify, then the script
+	will operate, and no log file will be produced; this might be helpful to users who wish
+	to specify the following, for example
+	\begin{commandshell}
+latexindent.pl -g /dev/null myfile.tex
+\end{commandshell}
+
 \flagbox{-sl, --screenlog}
 	\index{switches!-sl, --screenlog definition and details}
 	\begin{commandshell}