rcurtin/exec2man.patch

## exec2man.patch
diff --git a/CMake/exec2man.sh b/CMake/exec2man.sh
index b0807fc61..debff99c6 100755
--- a/CMake/exec2man.sh
+++ b/CMake/exec2man.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-# Convert the output of an MLPACK executable into a man page.  This assumes that
+# Convert the output of an mlpack executable into a man page.  This assumes that
 # the CLI subsystem is used to output help, that the executable is properly
 # documented, and that the program is run in the directory that the executable
 # is in.  Usually, this is used by CMake on Linux/UNIX systems to generate the
@@ -17,7 +17,7 @@ output="$2"
 # Generate the synopsis.
 # First, required options.
 reqoptions=`./"$name" -h | \
-  awk '/Required options:/,/Options:/' | \
+  awk '/Required input options:/,/Optional input options:/' | \
   grep '^  --' | \
   sed 's/^  --/--/' | \
   sed 's/^--[A-Za-z0-9_-]* (\(-[A-Za-z0-9]\))/\1/' | \
@@ -31,7 +31,7 @@ reqoptions=`./"$name" -h | \

 # Then, regular options.
 options=`./"$name" -h | \
-  awk '/Options:/,/For further information,/' | \
+  awk '/Optional input options:/,/For further information,/' | \
   grep '^  --' | \
   sed 's/^  --/--/' | \
   grep -v -- '--help' | \
@@ -50,7 +50,7 @@ options=`./"$name" -h | \
   sed 's/\(-[A-Za-z0-9] [a-z]*\) /\[\1\] /g' | \
   sed 's/\(--[A-Za-z0-9_-]* [a-z]*\) /\[\1\] /g'`

-synopsis="$name [-h] [-v] $reqoptions $options";
+synopsis="$name $reqoptions $options [-h -v]";

 # Preview the whole thing first.
 #./$name -h | \
@@ -68,13 +68,12 @@ synopsis="$name [-h] [-v] $reqoptions $options";
 ./"$name" -h | \
   sed 's/^For further information/Additional Information\n\n For further information/' | \
   sed 's/^consult the documentation/ consult the documentation/' | \
-  sed 's/^distribution of MLPACK./ distribution of MLPACK./' | \
+  sed 's/^distribution of mlpack./ distribution of mlpack./' | \
   awk -v syn="$synopsis" \
       '{ if (NR == 1) print "NAME\n '"$name"' - "tolower($0)"\nSYNOPSIS\n "syn" \nDESCRIPTION\n" ; else print } ' | \
   sed '/^[^ ]/ y/qwertyuiopasdfghjklzxcvbnm:/QWERTYUIOPASDFGHJKLZXCVBNM /' | \
   sed 's/  / /g' | \
-  awk '/NAME/,/REQUIRED OPTIONS/ { print; } /ADDITIONAL INFORMATION/,0 { print; } /REQUIRED OPTIONS/,/ADDITIONAL INFORMATION/ { if (!/REQUIRED_OPTIONS/ && !/OPTIONS/ && !/ADDITIONAL INFORMATION/) { if (/ --/) { printf "\n" } sub(/^[
 ]*/, ""); sub(/ [ ]*/, " "); printf "%s ", $0; } else { if (!/REQUIRED OPTIONS/ && !/ADDITIONAL INFORMATION/) { print "\n"$0; } } }' | \
+  awk '/NAME/,/.*OPTIONS/ { if (!/.*OPTIONS/) { print; } } /ADDITIONAL INFORMATION/,0 { print; } /.*OPTIONS/,/ADDITIONAL INFORMATION/ { if (!/REQUIRED INPUT OPTIONS/ && !/OPTIONAL INPUT OPTIONS/ && !/OPTIONAL OUTPUT OPTIONS/ && !/AD
DITIONAL INFORMATION/) { if (/ --/) { printf "\n" } sub(/^[ ]*/, ""); sub(/ [ ]*/, " "); printf "%s ", $0; } else { if (!/ADDITIONAL INFORMATION/) { print "\n"$0; } } }' | \
   sed 's/  ADDITIONAL INFORMATION/\n\nADDITIONAL INFORMATION/' | \
   txt2man -P mlpack -t "$name" -d 1 | \
   sed "s/^'/\\\\(aq/" > "$output"
-
	diff --git a/CMake/exec2man.sh b/CMake/exec2man.sh
	index b0807fc61..debff99c6 100755
	--- a/CMake/exec2man.sh
	+++ b/CMake/exec2man.sh
	@@ -1,5 +1,5 @@
	#!/bin/bash
	-# Convert the output of an MLPACK executable into a man page. This assumes that
	+# Convert the output of an mlpack executable into a man page. This assumes that
	# the CLI subsystem is used to output help, that the executable is properly
	# documented, and that the program is run in the directory that the executable
	# is in. Usually, this is used by CMake on Linux/UNIX systems to generate the
	@@ -17,7 +17,7 @@ output="$2"
	# Generate the synopsis.
	# First, required options.
	reqoptions=`./"$name" -h \| \
	- awk '/Required options:/,/Options:/' \| \
	+ awk '/Required input options:/,/Optional input options:/' \| \
	grep '^ --' \| \
	sed 's/^ --/--/' \| \
	sed 's/^--[A-Za-z0-9_-]* (\(-[A-Za-z0-9]\))/\1/' \| \
	@@ -31,7 +31,7 @@ reqoptions=`./"$name" -h \| \

	# Then, regular options.
	options=`./"$name" -h \| \
	- awk '/Options:/,/For further information,/' \| \
	+ awk '/Optional input options:/,/For further information,/' \| \
	grep '^ --' \| \
	sed 's/^ --/--/' \| \
	grep -v -- '--help' \| \
	@@ -50,7 +50,7 @@ options=`./"$name" -h \| \
	sed 's/\(-[A-Za-z0-9] [a-z]*\) /\[\1\] /g' \| \
	sed 's/\(--[A-Za-z0-9_-]* [a-z]*\) /\[\1\] /g'`

	-synopsis="$name [-h] [-v] $reqoptions $options";
	+synopsis="$name $reqoptions $options [-h -v]";

	# Preview the whole thing first.
	#./$name -h \| \
	@@ -68,13 +68,12 @@ synopsis="$name [-h] [-v] $reqoptions $options";
	./"$name" -h \| \
	sed 's/^For further information/Additional Information\n\n For further information/' \| \
	sed 's/^consult the documentation/ consult the documentation/' \| \
	- sed 's/^distribution of MLPACK./ distribution of MLPACK./' \| \
	+ sed 's/^distribution of mlpack./ distribution of mlpack./' \| \
	awk -v syn="$synopsis" \
	'{ if (NR == 1) print "NAME\n '"$name"' - "tolower($0)"\nSYNOPSIS\n "syn" \nDESCRIPTION\n" ; else print } ' \| \
	sed '/^[^ ]/ y/qwertyuiopasdfghjklzxcvbnm:/QWERTYUIOPASDFGHJKLZXCVBNM /' \| \
	sed 's/ / /g' \| \
	- awk '/NAME/,/REQUIRED OPTIONS/ { print; } /ADDITIONAL INFORMATION/,0 { print; } /REQUIRED OPTIONS/,/ADDITIONAL INFORMATION/ { if (!/REQUIRED_OPTIONS/ && !/OPTIONS/ && !/ADDITIONAL INFORMATION/) { if (/ --/) { printf "\n" } sub(/^[
	]/, ""); sub(/ [ ]/, " "); printf "%s ", $0; } else { if (!/REQUIRED OPTIONS/ && !/ADDITIONAL INFORMATION/) { print "\n"$0; } } }' \| \
	+ awk '/NAME/,/.OPTIONS/ { if (!/.OPTIONS/) { print; } } /ADDITIONAL INFORMATION/,0 { print; } /.*OPTIONS/,/ADDITIONAL INFORMATION/ { if (!/REQUIRED INPUT OPTIONS/ && !/OPTIONAL INPUT OPTIONS/ && !/OPTIONAL OUTPUT OPTIONS/ && !/AD
	DITIONAL INFORMATION/) { if (/ --/) { printf "\n" } sub(/^[ ]/, ""); sub(/ [ ]/, " "); printf "%s ", $0; } else { if (!/ADDITIONAL INFORMATION/) { print "\n"$0; } } }' \| \
	sed 's/ ADDITIONAL INFORMATION/\n\nADDITIONAL INFORMATION/' \| \
	txt2man -P mlpack -t "$name" -d 1 \| \
	sed "s/^'/\\\\(aq/" > "$output"
	-