ENH: support sequencing of vtp/vtu files

bin/foamSequenceVTKFiles

@@ -7,6 +7,7 @@
 #    \\/     M anipulation  |
 #-------------------------------------------------------------------------------
 #     Copyright (C) 2015 OpenFOAM Foundation
+#     Copyright (C) 2020 DLR
 #------------------------------------------------------------------------------
 # License
 #     This file is part of OpenFOAM.
@@ -44,8 +45,11 @@ Usage: ${0##*/} [OPTIONS] ...
 options:
   -c | -case <dir>    specify case directory (default = local dir)
   -d | -dir <dir>     post-processing directory <dir> (default = postProcessing)
-  -h | -help          help
   -o | -out <dir>     output links directory <dir> (default = sequencedVTK)
+  -vtk                create sequence of vtk files (default)
+  -vtp                create sequence of vtp files
+  -vtu                create sequence of vtu files
+  -h | -help          help
 
 Creates symbolic links to all VTK files in a post-processing directory
 Links form a sequence like name.0000.vtk, name.0001.vtk, etc.
@@ -57,30 +61,35 @@ USAGE
     exit 1
 }
 
+# Set defaults
 DIR=postProcessing
 OUT=sequencedVTK
+fileType=vtk
 
 while [ "$#" -gt 0 ]
 do
    case "$1" in
+   -h | -help*)
+      usage
+      ;;
    -c | -case)
       [ "$#" -ge 2 ] || usage "'$1' option requires an argument"
       cd "$2" 2>/dev/null || usage "directory does not exist:  '$2'"
-      shift 2
+      shift
       ;;
    -d | -dir)
       [ "$#" -ge 2 ] || usage "'$1' option requires an argument"
       DIR=$2
-      shift 2
-      ;;
-   -h | -help*)
-      usage
+      shift
       ;;
    -o | -out)
       [ "$#" -ge 2 ] || usage "'$1' option requires an argument"
       OUT=$2
       shift 2
       ;;
+   -vtk | -vtp | -vtu)
+      fileType="${1#-}"
+      ;;
    -*)
       usage "invalid option '$1'"
       ;;
@@ -88,6 +97,7 @@ do
       break
       ;;
     esac
+    shift
 done
 
 if [ ! -d $DIR ]; then
@@ -95,8 +105,8 @@ if [ ! -d $DIR ]; then
     exit 0
 fi
 
-FILES=$(find $DIR -name '*.vtk' -type f)
-NAMES=$(for f in $FILES; do basename $f .vtk; done | sort -u)
+FILES=$(find $DIR -name "*.$fileType" -type f)
+NAMES=$(for f in $FILES; do basename $f .$fileType; done | sort -u)
 
 if [ -d $OUT ]; then
     echo "$OUT directory already exists.  Deleting links within it..."
@@ -108,12 +118,12 @@ fi
 
 for N in $NAMES
 do
-    echo "Sequencing all VTK files named $N.vtk"
+    echo "Sequencing all $fileType files named $N.$fileType"
 
-    # Create list of VTK files, ordered by time step
+    # Create list of VTK (vtk, vtp, vtu) files, ordered by time step
     FILE_LIST=$(echo $FILES | \
         tr " " "\n" | \
-        grep $N.vtk | \
+        grep $N.$fileType | \
         awk -F'/' '{print($(NF-1)" "$0)}' | \
         sort -k 1 -g | \
         cut -d' ' -f2)
@@ -122,7 +132,9 @@ do
     for F in $FILE_LIST
     do
         i=$(expr $i + 1) # Relies on ordered list of $sourceFiles
-        LINK=$(printf "${N}.%04d.vtk" $i)
+        LINK=$(printf "${N}.%04d.$fileType" $i)
         ln -s ../$F $OUT/$LINK
     done
 done
+
+# -----------------------------------------------------------------------------