212 lines
5.1 KiB
Bash
Executable file
212 lines
5.1 KiB
Bash
Executable file
#!/bin/rc
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# lp - enqueues the file to be printed and starts the daemon, when necessary.
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# Make changes to /sys/src/cmd/lp/lp.rc;
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# changes made directly to /rc/bin/lp will be lost.
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rfork en # so that environment and name space are not polluted
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#
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# put 'fn sigexit { rm /tmp/lpcrap; exit interrupted }' into processes that create /tmp/lpcrap.
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ifs='
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' # set ifs in case it is munged in user's environment
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LPLIB=/sys/lib/lp # lp scripts directories and configuration file are here
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LPBIN=/$cputype/bin/aux # lp specific binaries are here
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LPSPOOL=$LPLIB/queue # lp queues
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LPLOGDIR=$LPLIB/log # lp logs
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$LPLIB/bin/lpscratch
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x=$status
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if(! ~ $x '') exit $x
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# build /bin from the ground up
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bind /$cputype/bin /bin # general compiled binaries
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bind -a /rc/bin /bin # general rc scripts
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# This needs to be fixed for the real thing
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bind -a $LPLIB/bin /bin # lp specific rc scripts
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bind -a $LPBIN /bin # lp specific compiled binaries
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path=(/bin)
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if (! test -w /tmp) bind -bc $LPLIB/tmp /tmp
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USAGE='usage: lp [-d printer] [-p process] [options] [files]
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lp [-d printer] -q
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lp [-d printer] -k jobnos
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options include:
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-D turn on debugging output
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-H no header
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-L landscape mode
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-M<mach> print on machine <mach>
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-Q put task only into the queue
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-R restart printer daemon
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-c<n> make <n> copies
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-f<font.size> specify font and size
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-i<src> take media from <src> input bin
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-l<n> print <n> lines per logical page
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-m<n> magnify <n> times
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-n<n> print <n> logical pages per physical page
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-o<i-j,k> print only pages i-j and k
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-r reverse pages
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-u<userid> print as <userid>
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-x<n> x page offset in inches
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-y<n> y page offset in inches
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'
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# umask 000 # this doesn't work in plan 9
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if (~ $#sysname 0)
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THIS_HOST=plan9
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if not {
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THIS_HOST=`{ndb/query sys $sysname dom}
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if(~ $#THIS_HOST 0)
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THIS_HOST=$sysname
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}
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LPMACHID=$THIS_HOST
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THIS_USERID=$user
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LPUSERID=$THIS_USERID
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LPLOC=''
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# Set default printer to be output device
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if (~ $#LPDEST 0 && test -f $LPLIB/defdevice) LPDEST=`{cat $LPLIB/defdevice}
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# option parameters
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COPIES=1
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FONT=''
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IBIN=''
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KILLFLAG=0
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LAND=''
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LINES=''
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LPQ=0
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MAG=''
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NOHEAD=''
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NPAG=''
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OLIST=''
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POINT=''
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RESET=''
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REVERSE=''
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QONLY=''
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TRAY=''
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XOFF=''
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YOFF=''
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# Process options
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flagfmt='D,H,L,Q,R,r,q,M mach,c copies,d printer,f font.size,i src,k jobnos,l lines,m magnify,n lpages,o pages,p proc,u userid,x offset,y offset'
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argv0=lp
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if(! ifs=() eval `{aux/getflags $*}) {
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echo $USAGE
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exit usage
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}
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if(~ $flagd '?'){
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awk 'BEGIN {print "device location host class"}
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/^[^#]/ { printf "%-12s %-9s %-22s %s\n", $1, $2, $3, $6 }' $LPLIB/devices
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exit
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}
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if(~ $flagp '?'){
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ls $LPLIB/process
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exit
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}
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if (! ~ $#flagD 0) { DEBUG=1; flag x + }; if not { DEBUG=''; flag x - }
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if (! ~ $#flagH 0) NOHEAD=1
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if (! ~ $#flagL 0) LAND=1
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if (! ~ $#flagM 0 && ~ $LPUSERID daemon) LPMACHID=$flagM
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if (! ~ $#flagQ 0) QONLY=1
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if (! ~ $#flagR 0) RESET=1
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if (! ~ $#flagc 0) COPIES=$flagc
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if(! ~ $#flagd 0) LPDEST=$flagd
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if (! ~ $#flagf 0) eval `{echo $flagf | sed -e 's/([^.]*)\.([0-9.]*)/FONT=\1;POINT=\2;/'}
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if (! ~ $#flagi 0) IBIN=$flagi
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if (! ~ $#flagk 0) KILLFLAG=1
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if (! ~ $#flagl 0) LINES=$flagl
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if (! ~ $#flagm 0) MAG=$flagm
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if (! ~ $#flagn 0) NPAG=$flagn
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if (! ~ $#flago 0) OLIST=-o^$flago
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if (! ~ $#flagp 0) LPPROC=$flagp
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if (! ~ $#flagq 0) LPQ=1
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if (! ~ $#flagr 0) REVERSE=1
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if (! ~ $#flagu 0) LPUSERID=$flagu
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if (! ~ $#flagx 0) XOFF=$flagx
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if (! ~ $#flagy 0) YOFF=$flagy
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if (~ $#LPDEST 0) {
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echo 'Set environment variable LPDEST or use the
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''-d printer'' option to set the destination.' >[1=2]
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exit 'LPDEST not set'
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}
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if (~ $LPDEST */*) { # handles MHCC destinations like mh/lino
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LPLOC=`{echo $LPDEST|sed 's/^(.*)\/(.*)/\1/'}
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LPDEST=`{echo $LPDEST|sed 's/^(.*)\/(.*)/\2/'}
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}
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# look up device, get info
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LPDLINE=`{grep '^'$LPDEST'[ ]' $LPLIB/devices}
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if (! ~ $status '') {
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echo 'device '$LPDEST' is not in '$LPLIB'/devices' >[1=2]
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exit 'LPDEST is bad'
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}
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LOC=$LPDLINE(2)
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DEST_HOST=$LPDLINE(3)
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OUTDEV=$LPDLINE(4)
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SPEED=$LPDLINE(5)
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LPCLASS=$LPDLINE(6)
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if (~ $#LPPROC 0) LPPROC=$LPDLINE(7)
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SPOOLER=$LPDLINE(8)
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STAT=$LPDLINE(9)
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KILL=$LPDLINE(10)
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DAEMON=$LPDLINE(11)
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SCHED=$LPDLINE(12)
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if (~ $LPCLASS *nohead*)
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NOHEAD=1
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if (~ $LPCLASS *duplex*)
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DUPLEX=1
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if (~ $#SCHED 0) SCHED=FIFO # everyone uses FIFO
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if (~ $KILLFLAG 1)
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switch ($KILL) {
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case -; echo kill option not available on $LPDEST >[1=2]
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exit 'kill n/a'
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case *; bind -b $LPLIB/kill /bin
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exec $KILL $*
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exit 'kill command '"$KILL"' not found'
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}
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if (~ $LPQ 1)
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switch ($STAT) {
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case -; echo queue status option not available on $LPDEST >[1=2]
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exit 'stat option not available'
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case *; bind -b $LPLIB/stat /bin
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exec $STAT $* < /dev/null
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exit 'stat command '"$STAT"' not found'
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}
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DATE=`{date}
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LPLOG=$LPLOGDIR/$LPDEST
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if (! test -e $LPLOG) {
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>$LPLOG
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chmod +rwa $LPLOG >[2]/dev/null
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}
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if (~ $RESET '') {
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switch ($SPOOLER) {
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case -; echo spooler does not exist for $LPDEST >[1=2]
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exit 'no spooler'
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case *; bind -b $LPLIB/spooler /bin
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if (~ $#* 0) $SPOOLER
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if not $SPOOLER $*
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}
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}
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if not {
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echo restarting daemon for printer $LPDEST >[1=2]
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UNLOCK $LPSPOOL/$LPDEST
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sleep 5
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}
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# run daemon
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if (~ $QONLY '') {
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if (! ~ $DAEMON -) {
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bind -b $LPLIB/daemon /bin
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$DAEMON $* >>$LPLOG >[2=1] &
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}
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}
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exit ''
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