#!/bin/csh -f
#
# Print gnuplot output on RGIP (Uniplex) format.

set input_files = ()    # the plot input command files
set lpr_opts = ()	    # options to lpr
set fontsize = ()

# File for plot commands, and for plot output
set TMP=/tmp/plot$$
set outfile="|mail $USER"	#mail user if no outputfile
set out=0
set windows = ()	#windows nr i x-dir and y-dir
onintr cleanup

# default is Imagen mode for Imagen printer; see -p option
set setterm="set terminal imagen"

set usage="usage: rgipgnu [-f fontsize] [-w [winx,winy]] [-t title] [-o outputfile] [-p 'plot command'] [plot-files....]"

# Loop through the command-line arguments.


top:
	if ($#argv > 0) then

		switch ("$argv[1]")

		case -   :	# print to stdout 
			set outfile=""
			set out=1
			shift argv
			goto top

		case -f?*:		# Specify font size
			set fontsize = `echo $argv[1] | sed 's/^-f//'`)
			shift argv
			goto top

		case -f:	# Specify font size
			shift argv
			if ($#argv > 0) then
				set fontsize = $argv[1]
				shift argv
			else
				echo "Usage: -f fontsize (1-8)"
				echo "Type    rgipgnu -help    for help."
				exit (1)
			endif
			goto top

		case -o?*:	# Specify output-file of plot
			set outfile = `echo $argv[1] | sed 's/^-o//'`
			set out=1
			shift argv
			goto top

		case -o:	# Specify title of plot
			shift argv
			if ($#argv > 0) then
			 	set outfile = $argv[1]
				set out=1
				shift argv
			else
				echo "Usage: -o outputfile"
				echo "Include a 'X' in filename if multiple plots"
				echo "Type    lasergnu -help    for help."
				exit (1)
			endif
			goto top

		case -t?*:	# Specify title of plot
			echo set title \""`echo $argv[1] | sed 's/^-t//'`"\" >> $TMP
			shift argv
			goto top

		case -t:	# Specify title of plot
			shift argv
			if ($#argv > 0) then
				echo set title \""$1"\" >> $TMP
				shift argv
			else
				echo "Usage: -t title ..."
				echo "Type    lasergnu -help    for help."
				exit (1)
			endif
			goto top
          case -help:
			echo "$usage"
			exit(1)

		case -p?*:	# plot-commds 
	                echo "$argv[1]" | sed "s/^-p//"	>> $TMP
			shift argv
			goto top

		case -p:	# Set the printer, exactly as by itroff.
			shift argv
			if ($#argv > 0) then
	                	echo "$argv[1]"	>> $TMP
				shift argv
			else
				echo "Usage: -P 'plot-commands ...'"
				echo "Type    rgipgnu -help    for help."
				exit (1)
			endif
			goto top

		case -w:	# Specify split page
			shift argv
			if ($#argv > 0) then
				set windows="[$argv[1]]"
				shift argv
			else
				echo "Usage: -w no_horiz,no_vertical"
				echo "Type    lasergnu -help    for help."
				exit (1)
			endif
			goto top

		case -?*:
			echo "I do not recognize option $argv[1]."
			echo "$usage"
			exit (1)

		default:
	          	set input_files = ($input_files $argv[1])
			shift argv
			goto top

		endsw
	endif

set setterm="set term rgip $fontsize $windows"

# Set up input file
echo "$setterm" > $TMP.plt
echo set output \"$outfile\" >> $TMP.plt
if (-e $TMP) cat $TMP >> $TMP.plt

# If input file is specified AND command line contains plot commands, then
#	do command line args first, then plot commands in input file.
#if ( "$input_files" != "" ) then
if ( "$out" ) then
grep -v "set te" $input_files | grep -v "set out" >> $TMP.plt
else
grep -v "set te" $input_files >> $TMP.plt
endif
echo "quit" >> $TMP.plt
gnuplot $TMP.plt < /dev/null

cleanup:
rm -f $TMP*