switch to using the "time" function instead of the "date" function for h5fuse.sh timing

utils/subfiling_vfd/h5fuse.sh.in

@@ -13,7 +13,6 @@
 BLD='\033[1m'
 GRN='\033[0;32m'
 RED='\033[0;31m'
-PUR='\033[0;35m'
 CYN='\033[0;36m'
 NC='\033[0m' # No Color
 
@@ -58,6 +57,106 @@ EOL
 
 }
 
+function fuse {
+
+# function for fusing the files
+
+mpi_rank=0
+mpi_size=1
+nstart=1
+nend=$nsubfiles
+
+if [ "$parallel" == "true" ]; then
+
+    hex=$(hexdump -n 16 -v -e '/1 "%02X"' /dev/urandom)
+    c_exec="h5fuse_"${hex}
+    c_src=${c_exec}.c
+
+    # Generate and compile an MPI program to get MPI rank and size
+    if [ ! -f "${c_src}" ]; then
+        gen_mpi
+        CC=@CC@
+        ${CC} "${c_src}" -o "${c_exec}"
+    fi
+    wait
+    rank_size=$(./"${c_exec}")
+    read -r mpi_rank mpi_size <<<"$rank_size"
+
+    rm -f "${c_src}" "${c_exec}"
+
+    # Divide the subfiles among the ranks
+    iwork1=$(( nsubfiles / mpi_size ))
+    iwork2=$(( nsubfiles % mpi_size ))
+    min=$(( mpi_rank < iwork2 ? mpi_rank : iwork2 ))
+    nstart=$(( mpi_rank * iwork1 + 1 + min ))
+    nend=$(( nstart + iwork1 - 1 ))
+    if [ $iwork2 -gt "$mpi_rank" ]; then
+        nend=$(( nend + 1 ))
+    fi
+fi
+
+############################################################
+# COMBINE SUBFILES INTO AN HDF5 FILE                       #
+############################################################
+icnt=1
+skip=0
+seek=0
+seek_cnt=0
+for i in "${subfiles[@]}"; do
+
+    subfile="${subfile_dir}/${i}"
+
+    # bs=BYTES read and write up to BYTES bytes at a time; overrides ibs and obs
+    # ibs=BYTES read up to BYTES bytes at a time
+    # obs=BYTES write BYTES bytes at a time
+    # seek=N skip N obs-sized blocks at start of output
+    # skip=N skip N ibs-sized blocks at start of input
+
+    status=1
+    fsize=${subfiles_size[icnt-1]}
+    if [ "$fsize" -eq "0" ]; then
+       seek_cnt=$((seek_cnt+1))
+       seek=$seek_cnt
+       if [ "$rm_subf" == "true" ]; then
+           if [ -f "${subfile}" ]; then
+               \rm -f "$subfile"
+           fi
+       fi
+    else
+       if [ $icnt -ge "$nstart" ] && [ $icnt -le "$nend" ]; then
+          records_left=$fsize
+          while [ "$status" -gt 0 ]; do
+              if [ $((skip*stripe_size)) -le "$fsize"  ] && [ "$records_left" -gt 0 ]; then
+                  EXEC="dd count=1 bs=$stripe_size if=$subfile of=$hdf5_file skip=$skip seek=$seek conv=notrunc"
+                  if [ "$verbose" == "true" ]; then
+                      echo -e "$GRN $EXEC $NC"
+                  fi
+                  err=$( $EXEC 2>&1 1>/dev/null )
+                  if [ $? -ne 0 ]; then
+                     echo -e "$CYN ERR: dd Utility Failed $NC"
+                     echo -e "$CYN MSG: $err $NC"
+                     exit $FAILED
+                  fi
+                  records_left=$((records_left-stripe_size))
+                  skip=$((skip+1))
+                  seek=$((seek_cnt+skip*nsubfiles))
+              else
+                  status=0
+                  skip=0
+              fi
+          done; wait
+          if [ "$rm_subf" == "true" ]; then
+              \rm -f "$subfile"
+          fi
+       fi
+       seek_cnt=$((seek_cnt+1))
+       seek=$seek_cnt
+    fi
+    icnt=$(( icnt +1 ))
+done; wait
+
+}
+
 ############################################################
 ############################################################
 # Main program                                             #
@@ -166,104 +265,9 @@ for i in "${subfiles[@]}"; do
     fi
 done
 
-START="$(date +%s%N)"
-
-mpi_rank=0
-mpi_size=1
-nstart=1
-nend=$nsubfiles
-
-if [ "$parallel" == "true" ]; then
-
-    hex=$(hexdump -n 16 -v -e '/1 "%02X"' /dev/urandom)
-    c_exec="h5fuse_"${hex}
-    c_src=${c_exec}.c
-
-    # Generate and compile an MPI program to get MPI rank and size
-    if [ ! -f "${c_src}" ]; then
-        gen_mpi
-        CC=@CC@
-        ${CC} "${c_src}" -o "${c_exec}"
-    fi
-    wait
-    rank_size=$(./"${c_exec}")
-    read -r mpi_rank mpi_size <<<"$rank_size"
-
-    rm -f "${c_src}" "${c_exec}"
-
-    # Divide the subfiles among the ranks
-    iwork1=$(( nsubfiles / mpi_size ))
-    iwork2=$(( nsubfiles % mpi_size ))
-    min=$(( mpi_rank < iwork2 ? mpi_rank : iwork2 ))
-    nstart=$(( mpi_rank * iwork1 + 1 + min ))
-    nend=$(( nstart + iwork1 - 1 ))
-    if [ $iwork2 -gt "$mpi_rank" ]; then
-        nend=$(( nend + 1 ))
-    fi
-fi
-
-############################################################
-# COMBINE SUBFILES INTO AN HDF5 FILE                       #
-############################################################
-icnt=1
-skip=0
-seek=0
-seek_cnt=0
-for i in "${subfiles[@]}"; do
-
-    subfile="${subfile_dir}/${i}"
-
-    # bs=BYTES read and write up to BYTES bytes at a time; overrides ibs and obs
-    # ibs=BYTES read up to BYTES bytes at a time
-    # obs=BYTES write BYTES bytes at a time
-    # seek=N skip N obs-sized blocks at start of output
-    # skip=N skip N ibs-sized blocks at start of input
-
-    status=1
-    fsize=${subfiles_size[icnt-1]}
-    if [ "$fsize" -eq "0" ]; then
-       seek_cnt=$((seek_cnt+1))
-       seek=$seek_cnt
-       if [ "$rm_subf" == "true" ]; then
-           if [ -f "${subfile}" ]; then
-               \rm -f "$subfile"
-           fi
-       fi
-    else
-       if [ $icnt -ge "$nstart" ] && [ $icnt -le "$nend" ]; then
-          records_left=$fsize
-          while [ "$status" -gt 0 ]; do
-              if [ $((skip*stripe_size)) -le "$fsize"  ] && [ "$records_left" -gt 0 ]; then
-                  EXEC="dd count=1 bs=$stripe_size if=$subfile of=$hdf5_file skip=$skip seek=$seek conv=notrunc"
-                  if [ "$verbose" == "true" ]; then
-                      echo -e "$GRN $EXEC $NC"
-                  fi
-                  err=$( $EXEC 2>&1 1>/dev/null )
-                  if [ $? -ne 0 ]; then
-                     echo -e "$CYN ERR: dd Utility Failed $NC"
-                     echo -e "$CYN MSG: $err $NC"
-                     exit $FAILED
-                  fi
-                  records_left=$((records_left-stripe_size))
-                  skip=$((skip+1))
-                  seek=$((seek_cnt+skip*nsubfiles))
-              else
-                  status=0
-                  skip=0
-              fi
-          done; wait
-          if [ "$rm_subf" == "true" ]; then
-              \rm -f "$subfile"
-          fi
-       fi
-       seek_cnt=$((seek_cnt+1))
-       seek=$seek_cnt
-    fi
-    icnt=$(( icnt +1 ))
-done; wait
-
-END=$(( $(date +%s%N) - START ))
-DURATION_SEC=$(awk -vp="$END" -vq=0.000000001 'BEGIN{printf "%.4f" ,p * q}')
 if [ "$quiet" == "false" ]; then
-    echo -e "$PUR COMPLETION TIME = $DURATION_SEC s $NC"
-fi
+    TIMEFORMAT="COMPLETION TIME = %R s"
+    time fuse
+else
+    fuse
+fi