From da2b15eb64ee0e14eff3e8f606930bce4cedbdd8 Mon Sep 17 00:00:00 2001
From: cmhughes <christopher.michael.hughes@gmail.com>
Date: Sat, 24 Apr 2021 19:50:49 +0100
Subject: [PATCH] log file process will no longer cause script to fail if the
 log file can not be opened:
 https://github.com/cmhughes/latexindent.pl/issues/145

---
 LatexIndent/Document.pm                  | 17 ++++++++++-------
 documentation/sec-default-user-local.tex |  3 ++-
 documentation/sec-how-to-use.tex         |  8 ++++++++
 3 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/LatexIndent/Document.pm b/LatexIndent/Document.pm
index 0b3ea9b2..25bf3876 100644
--- a/LatexIndent/Document.pm
+++ b/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};
 
diff --git a/documentation/sec-default-user-local.tex b/documentation/sec-default-user-local.tex
index 5e04637e..2e5afbcd 100644
--- a/documentation/sec-default-user-local.tex
+++ b/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}
 
diff --git a/documentation/sec-how-to-use.tex b/documentation/sec-how-to-use.tex
index 8c7d9b95..510df8c6 100644
--- a/documentation/sec-how-to-use.tex
+++ b/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}