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diff --git a/noao/digiphot/daophot/daolib/dpnames.x b/noao/digiphot/daophot/daolib/dpnames.x
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+
+# DP_IIMNAME -- Procedure to construct an daophot input image name.
+# If input is null or a directory a name is constructed from the root
+# of the image name and the extension. The disk is searched to avoid
+# name collisions.
+
+procedure dp_iimname (image, input, ext, name, maxch)
+
+char	image[ARB]		# image name
+char	input[ARB]		# input directory or name
+char	ext[ARB]		# extension
+char	name[ARB]		# input name
+int	maxch			# maximum size of name
+
+int	ndir, nimdir, clindex, clsize
+pointer	sp, root, str
+int	fnldir(), strlen()
+
+begin
+	call smark (sp)
+	call salloc (root, SZ_FNAME, TY_CHAR)
+	call salloc (str, SZ_FNAME, TY_CHAR)
+
+	ndir = fnldir (input, name, maxch)
+	if (strlen (input) == ndir) {
+            call imparse (image, Memc[root], SZ_FNAME, Memc[str], SZ_FNAME,
+                Memc[str], SZ_FNAME, clindex, clsize)
+            nimdir = fnldir (Memc[root], Memc[str], SZ_FNAME)
+            if (clindex >= 0) {
+                call sprintf (name[ndir+1], maxch, "%s%d.%s.*")
+                    call pargstr (Memc[root+nimdir])
+                    call pargi (clindex)
+                    call pargstr (ext)
+            } else {
+                call sprintf (name[ndir+1], maxch, "%s.%s.*")
+                    call pargstr (Memc[root+nimdir])
+                    call pargstr (ext)
+            }
+
+	    call dp_iimversion (name, name, maxch)
+	} else
+	    call strcpy (input, name, maxch)
+
+	call sfree (sp)
+end
+
+
+# DP_IMROOT -- Fetch the root image name minus the directory specification
+# and the section notation.
+
+procedure dp_imroot (image, root, maxch)
+
+char    image[ARB]              # image specification
+char    root[ARB]               # output root name
+int     maxch                   # maximum number of characters
+
+pointer sp, imroot, kernel, section, str
+int     clindex, clsize, nchars
+int     fnldir()
+
+begin
+        call smark (sp)
+        call salloc (imroot, SZ_PATHNAME, TY_CHAR)
+        call salloc (kernel, SZ_FNAME, TY_CHAR)
+        call salloc (section, SZ_FNAME, TY_CHAR)
+        call salloc (str, SZ_PATHNAME, TY_CHAR)
+
+        call imparse (image, Memc[imroot], SZ_PATHNAME, Memc[kernel], SZ_FNAME,
+            Memc[section], SZ_FNAME, clindex, clsize)
+        nchars = fnldir (Memc[imroot], Memc[str], SZ_PATHNAME)
+        if (clindex >= 0) {
+            call sprintf (root, maxch, "%s[%d]%s%s")
+                call pargstr (Memc[imroot+nchars])
+                call pargi (clindex)
+                call pargstr (Memc[kernel])
+                call pargstr (Memc[section])
+        } else {
+            call sprintf (root, maxch, "%s%s%s")
+                call pargstr (Memc[imroot+nchars])
+                call pargstr (Memc[kernel])
+                call pargstr (Memc[section])
+        }
+
+        call sfree (sp)
+end
+
+
+# DP_OIMVERSION -- Routine to compute the next available version number of
+# a given file name template and output the new files name.
+
+procedure dp_oimversion (template, filename, maxch)
+
+char	template[ARB]			# name template
+char	filename[ARB]			# output name
+int	maxch				# maximum number of characters
+
+char	period
+int	newversion, version, len
+pointer	sp, list, name
+int	imtopen(), imtgetim(), strldx(), ctoi()
+
+begin
+	# Allocate temporary space
+	call smark (sp)
+	call salloc (name, maxch, TY_CHAR)
+	period = '.'
+	list = imtopen (template)
+
+	# Loop over the names in the list searchng for the highest version.
+	newversion = 0
+	while (imtgetim (list, Memc[name], maxch) != EOF) {
+	    len = strldx (period, Memc[name])
+	    Memc[name+len-1] = EOS
+	    len = strldx (period, Memc[name])
+	    len = len + 1
+	    if (ctoi (Memc[name], len, version) <= 0)
+		next
+	    newversion = max (newversion, version)
+	}
+
+	# Make new output file name.
+	len = strldx (period, template)
+	call strcpy (template, filename, len)
+	call sprintf (filename[len+1], maxch, "%d")
+	    call pargi (newversion + 1)
+
+	call imtclose (list)
+	call sfree (sp)
+end
+
+
+# DP_IIMVERSION -- Routine to compute the next available version number of
+# a given file name template and output the new files name.
+
+procedure dp_iimversion (template, filename, maxch)
+
+char	template[ARB]			# name template
+char	filename[ARB]			# output name
+int	maxch				# maximum number of characters
+
+char	period
+int	newversion, version, len
+pointer	sp, list, name
+int	imtopen(), imtgetim() strldx(), ctoi()
+
+begin
+	# Allocate temporary space
+	call smark (sp)
+	call salloc (name, maxch, TY_CHAR)
+	period = '.'
+	list = imtopen (template)
+
+	# Loop over the names in the list searchng for the highest version.
+	newversion = 0
+	while (imtgetim (list, Memc[name], maxch) != EOF) {
+	    len = strldx (period, Memc[name])
+	    Memc[name+len-1] = EOS
+	    len = strldx (period, Memc[name])
+	    len = len + 1
+	    if (ctoi (Memc[name], len, version) <= 0)
+		next
+	    newversion = max (newversion, version)
+	}
+
+	# Make new output file name.
+	len = strldx (period, template)
+	call strcpy (template, filename, len)
+	call sprintf (filename[len+1], maxch, "%d")
+	    call pargi (newversion)
+
+	call imtclose (list)
+	call sfree (sp)
+end
+
+
+# DP_OIMNAME -- Procedure to construct an daophot output image name.
+# If output is null or a directory a name is constructed from the root
+# of the image name and the extension. The disk is searched to avoid
+# name collisions.
+
+procedure dp_oimname (image, output, ext, name, maxch)
+
+char	image[ARB]		# image name
+char	output[ARB]		# output directory or name
+char	ext[ARB]		# extension
+char	name[ARB]		# output name
+int	maxch			# maximum size of name
+
+int	ndir, nimdir, clindex, clsize
+pointer	sp, root, str
+int	fnldir(), strlen()
+
+begin
+	call smark (sp)
+	call salloc (root, SZ_FNAME, TY_CHAR)
+	call salloc (str, SZ_FNAME, TY_CHAR)
+
+	ndir = fnldir (output, name, maxch)
+	if (strlen (output) == ndir) {
+            call imparse (image, Memc[root], SZ_FNAME, Memc[str], SZ_FNAME,
+                Memc[str], SZ_FNAME, clindex, clsize)
+            nimdir = fnldir (Memc[root], Memc[str], SZ_FNAME)
+            if (clindex >= 0) {
+                call sprintf (name[ndir+1], maxch, "%s%d.%s.*")
+                    call pargstr (Memc[root+nimdir])
+                    call pargi (clindex)
+                    call pargstr (ext)
+            } else {
+                call sprintf (name[ndir+1], maxch, "%s.%s.*")
+                    call pargstr (Memc[root+nimdir])
+                    call pargstr (ext)
+            }
+	    call dp_oimversion (name, name, maxch)
+	} else
+	    call strcpy (output, name, maxch)
+
+	call sfree (sp)
+end
+
+
+# DP_INNAME -- Procedure to construct an daophot input file name.
+# If input is null or a directory a name is constructed from the root
+# of the image name and the extension. The disk is searched to avoid
+# name collisions.
+
+procedure dp_inname (image, input, ext, name, maxch)
+
+char	image[ARB]		# image name
+char	input[ARB]		# input directory or name
+char	ext[ARB]		# extension
+char	name[ARB]		# input name
+int	maxch			# maximum size of name
+
+int	ndir, nimdir, clindex, clsize
+pointer	sp, root, str
+int	fnldir(), strlen()
+
+begin
+	call smark (sp)
+	call salloc (root, SZ_FNAME, TY_CHAR)
+	call salloc (str, SZ_FNAME, TY_CHAR)
+
+	ndir = fnldir (input, name, maxch)
+	if (strlen (input) == ndir) {
+           call imparse (image, Memc[root], SZ_FNAME, Memc[str], SZ_FNAME,
+                Memc[str], SZ_FNAME, clindex, clsize)
+            nimdir = fnldir (Memc[root], Memc[str], SZ_FNAME)
+            if (clindex >= 0) {
+                call sprintf (name[ndir+1], maxch, "%s%d.%s.*")
+                    call pargstr (Memc[root+nimdir])
+                    call pargi (clindex)
+                    call pargstr (ext)
+            } else {
+                call sprintf (name[ndir+1], maxch, "%s.%s.*")
+                    call pargstr (Memc[root+nimdir])
+                    call pargstr (ext)
+            }
+	    call dp_iversion (name, name, maxch)
+	} else
+	    call strcpy (input, name, maxch)
+
+	call sfree (sp)
+end
+
+
+# DP_OUTNAME -- Procedure to construct an daophot output file name.
+# If output is null or a directory a name is constructed from the root
+# of the image name and the extension. The disk is searched to avoid
+# name collisions.
+
+procedure dp_outname (image, output, ext, name, maxch)
+
+char	image[ARB]		# image name
+char	output[ARB]		# output directory or name
+char	ext[ARB]		# extension
+char	name[ARB]		# output name
+int	maxch			# maximum size of name
+
+int	ndir, nimdir, clindex, clsize
+pointer	sp, root, str
+int	fnldir(), strlen()
+
+begin
+	call smark (sp)
+	call salloc (root, SZ_FNAME, TY_CHAR)
+	call salloc (str, SZ_FNAME, TY_CHAR)
+
+	ndir = fnldir (output, name, maxch)
+	if (strlen (output) == ndir) {
+           call imparse (image, Memc[root], SZ_FNAME, Memc[str], SZ_FNAME,
+                Memc[str], SZ_FNAME, clindex, clsize)
+            nimdir = fnldir (Memc[root], Memc[str], SZ_FNAME)
+            if (clindex >= 0) {
+                call sprintf (name[ndir+1], maxch, "%s%d.%s.*")
+                    call pargstr (Memc[root+nimdir])
+                    call pargi (clindex)
+                    call pargstr (ext)
+            } else {
+                call sprintf (name[ndir+1], maxch, "%s.%s.*")
+                    call pargstr (Memc[root+nimdir])
+                    call pargstr (ext)
+            }
+	    call dp_oversion (name, name, maxch)
+	} else
+	    call strcpy (output, name, maxch)
+
+	call sfree (sp)
+end
+
+
+# DP_OVERSION -- Routine to compute the next available version number of a given
+# file name template and output the new files name.
+
+procedure dp_oversion (template, filename, maxch)
+
+char	template[ARB]			# name template
+char	filename[ARB]			# output name
+int	maxch				# maximum number of characters
+
+char	period
+int	newversion, version, len
+pointer	sp, list, name
+int	fntgfnb() strldx(), ctoi(), fntopnb()
+
+begin
+	# Allocate temporary space
+	call smark (sp)
+	call salloc (name, maxch, TY_CHAR)
+	period = '.'
+	list = fntopnb (template, NO)
+
+	# Loop over the names in the list searchng for the highest version.
+	newversion = 0
+	while (fntgfnb (list, Memc[name], maxch) != EOF) {
+	    len = strldx (period, Memc[name])
+	    len = len + 1
+	    if (ctoi (Memc[name], len, version) <= 0)
+		next
+	    newversion = max (newversion, version)
+	}
+
+	# Make new output file name.
+	len = strldx (period, template)
+	call strcpy (template, filename, len)
+	call sprintf (filename[len+1], maxch, "%d")
+	    call pargi (newversion + 1)
+
+	call fntclsb (list)
+	call sfree (sp)
+end
+
+
+# DP_IVERSION -- Routine to compute the last version number of a given
+# file name template and output the new files name.
+
+procedure dp_iversion (template, filename, maxch)
+
+char	template[ARB]			# name template
+char	filename[ARB]			# output name
+int	maxch				# maximum number of characters
+
+char	period
+int	newversion, version, len
+pointer	sp, list, name
+int	fntgfnb() strldx(), ctoi(), fntopnb()
+
+begin
+	# Allocate temporary space
+	call smark (sp)
+	call salloc (name, maxch, TY_CHAR)
+	period = '.'
+	list = fntopnb (template, NO)
+
+	# Loop over the names in the list searchng for the highest version.
+	newversion = 0
+	while (fntgfnb (list, Memc[name], maxch) != EOF) {
+	    len = strldx (period, Memc[name])
+	    len = len + 1
+	    if (ctoi (Memc[name], len, version) <= 0)
+		next
+	    newversion = max (newversion, version)
+	}
+
+	# Make new output file name.
+	len = strldx (period, template)
+	call strcpy (template, filename, len)
+	call sprintf (filename[len+1], maxch, "%d")
+	    call pargi (newversion)
+
+	call fntclsb (list)
+	call sfree (sp)
+end
+
+
+# DP_FROOT -- Fetch the file name minus the directory specification,
+
+procedure dp_froot (filename, root, maxch)
+
+char    filename[ARB]           # input file name
+char    root[ARB]               # output root file name
+int     maxch                   # maximum number of characters
+
+pointer sp, str
+int     nchars
+int     fnldir()
+
+begin
+        call smark (sp)
+        call salloc (str, SZ_PATHNAME, TY_CHAR)
+
+        nchars = fnldir (filename, Memc[str], SZ_PATHNAME)
+        call strcpy (filename[nchars+1], root, maxch)
+
+        call sfree (sp)
+end