1 files changed, 65 insertions, 0 deletions
diff --git a/noao/digiphot/ptools/txtools/t_txcalc.x b/noao/digiphot/ptools/txtools/t_txcalc.x
new file mode 100644
index 00000000..2c7c39db
--- /dev/null
+++ b/noao/digiphot/ptools/txtools/t_txcalc.x
@@ -0,0 +1,65 @@
+include	<fset.h>
+
+# T_TXCALC -- Edit a field in an APPHOT/DAOPHOT text data base using a
+# value expression.
+
+procedure t_txcalc ()
+
+pointer	infile		# the input file list
+pointer	outfile		# the output file list
+pointer	field		# pointer to the field to be edited
+pointer	value		# pointer to the value expression string
+
+int	inlist, tp_in, tp_out, nrecs
+pointer	sp
+int	clpopnu(), access(), open(), fstati(), clgfil(), pt_xcalc()
+
+begin
+	# Set the standard output to flush on newline.
+	if (fstati (STDOUT, F_REDIR) == NO)
+	    call fseti (STDOUT, F_FLUSHNL, YES)
+
+	# Get some memory.
+	call smark (sp)
+	call salloc (infile, SZ_FNAME, TY_CHAR)
+	call salloc (outfile, SZ_FNAME, TY_CHAR)
+	call salloc (field, SZ_FNAME, TY_CHAR)
+	call salloc (value, SZ_LINE, TY_CHAR)
+
+	# Get the various task parameters.
+	inlist = clpopnu ("textfiles")
+	#outlist = clpopnu ("outfiles")
+	call clgstr ("field", Memc[field], SZ_FNAME)
+	call strupr (Memc[field])
+	call clgstr ("value", Memc[value], SZ_LINE)
+
+	while (clgfil (inlist, Memc[infile], SZ_FNAME) != EOF) {
+
+	    # Open the input file.
+	    if (access (Memc[infile], 0, TEXT_FILE) == YES)
+	        tp_in = open (Memc[infile], READ_ONLY, TEXT_FILE)
+	    else
+	        call error (0, "The input file is a binary file.")
+
+	    # Open an output text file.
+	    call mktemp ("temp", Memc[outfile], SZ_FNAME)
+	    tp_out = open (Memc[outfile], NEW_FILE, TEXT_FILE)
+
+	    # Select the stars.
+	    nrecs = pt_xcalc (tp_in, tp_out, Memc[field], Memc[value], "yes")
+
+	    # Close up the input and output files.
+	    call close (tp_in)
+	    call close (tp_out)
+
+	    if (nrecs <= 0) {
+		call delete (Memc[outfile])
+	    } else {
+		call delete (Memc[infile])
+		call rename (Memc[outfile], Memc[infile])
+	    }
+	}
+
+	call clpcls (inlist)
+	call sfree (sp)
+end