program terinq

	implicit none
	character name*64, gdev*32, pps*32, line*78
	integer rows, i, ll, l, cols

	integer getppid

	line=' '
	call sys_get_cmdpar(line, i)
	if (i .eq. 0) i=1

	call sys_loadenv
	call sys_temp_name('terinq',name)	
	open(1,file=name,status='unknown',carriagecontrol='list'
	1,err=9)
	goto 10

9	type *,'can not open ',name
	stop 'CHO failed'

10	if (line(1:i) .eq. 'gethost') then ! read host information from file
	  read (1,'(a)',end=3) line
	  rewind 1
	  i=index(line,'(')
	  if (i .ne. 0) then
	    line=line(i+1:)
	    i=index(line, ')')
	    if (i .gt. 1) then
	      call sys_setenv('REMOTEHOST', line(1:i-1))
	    endif
	  endif
3	  line=' '
	  i=1
	endif

	call cho_inq(line(1:i), gdev, pps, cols, rows)
	ll=0
        if (gdev .ne. ' ') then
          call sys_setenv('CHOOSER_GDEV',gdev)
	  call sys_setenv('PGPLOT_DEV','/'//gdev)
          call str_trim(gdev, gdev, l)
          line='Display type: '//gdev(1:l)
          ll=l+14
	endif
	call cho_vpp_cups(pps)
       	if (pps .ne. ' ') then
          if (ll .gt. 0) then
            line(ll+1:)=',  '
            ll=ll+3
          endif
          call str_trim(pps, pps, l)
          line(ll+1:)='Default Printer: '//pps(1:l)
          ll=ll+l+17
          call sys_setenv('CHOOSER_DEST',pps(1:l))
	  call sys_setenv('CHOOSER_PDEV','PS')
          write(1,'(a)') 'alias lp lp -d '//pps(1:l)
          write(1,'(a)') 'alias lpr lpr -P '//pps(1:l)
          write(1,'(a)') 'alias lpl lp -o landscape -d '//pps(1:l)
	endif
        if (cols .ne. 0 .or. rows .ne. 0) then
          if (ll .gt. 0) then
            line(ll+1:)=',  '
            ll=ll+3
          endif
	  if (rows .eq. 0) then
	    rows=24
	  else
	    write(1, '(a,i2)') 'stty rows ',rows
	  endif
	  if (cols .eq. 0) then
	    cols=80
	  else
	    write(1, '(a,i2)') 'stty columns ',cols
	  endif
          write(line(ll+1:),'(a,i4,a,i3)') 'Window size:',cols,'x',rows
          ll=ll+20
        endif
        if (ll .gt. 0) then
          type *
          type *,line(1:ll)
          type *
        endif
90	continue
	write(1,'(2a)') '/usr/bin/rm ',name
	close(1)
	call sys_saveenv
	call sys_clean_tmp
	end


	subroutine sys_clean_tmp

        implicit none
        
	parameter fp=54, dp=41, dl=6
! these parameters depend on the formatting of the ls -l command
!                                         <-dl->
!-rw-r--r--   1 lnslib   system       131 May 16 11:00 /tmp/.cho_lnslib.1603
!                                         ^ dp         ^ fp
        
	character file*128, user*32, line*128, line0*128
        integer i, j, np, l, lf, lun, cnt, pid, iret, pidlist(100)

        call sys_temp_name('clnup', file)
        call str_trim(file, file, lf)
	call sys_delete_file(file)
	call sys_getenv('USER', user)
	call str_trim(user, user, l)
        call sys_cmd('ps > '//file(1:lf)
	1         //';ls -alt /tmp/.*_'//user(1:l)//'.* >> '//file(1:lf))
	call sys_get_lun(lun)
	line0=' '
	open(lun, file=file, status='old', readonly, err=9)
        read(lun, '(a)', end=2) line ! read title
        j=0
5       read(lun, '(a)', end=2) line
        read(line, *, err=7, end=7) pid
        if (pid .ne. 0 .and. j .lt. 100) then
          j=j+1
          pidlist(j)=pid
          goto 5
        endif
7       np=j
        cnt=0
10      read(lun, '(a)', end=2) line
	if (line(fp+1:fp+5) .ne. '/tmp/') goto 9
	call str_trim(line,line,l)
	if (line(dp+1:dp+dl) .ne. line0(dp+1:dp+dl)) then
	  cnt=cnt+1
	  line0=line
	endif
	if (cnt .gt. 2 .and. l .gt. fp) then
          do i=l,l-9,-1
	    if (line(i:i) .lt. '0' .or. line(i:i) .gt. '9') then
              if (line(i:i) .ne. '.') goto 10
	      if (i .lt. l) then
                read(line(i+1:l), *) pid
                do j=1,np
                  if (pid .eq. pidlist(j)) goto 10
                enddo
	        call sys_delete_file(line(fp+1:l))
                goto 10
	      endif
	    endif
	  enddo
	endif
        goto 10
2	close(lun)
9	call sys_free_lun(lun)
	call sys_delete_file(file)
	end