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|
#!/bin/rc
# man - print manual pages
rfork e
. /sys/man/fonts
cmd=n
sec=()
S=/sys/man
d=0
fn roff {
preproc=()
postproc=cat
x=`{doctype $2}
if (~ $1 t) {
if(~ $x *grap*)
preproc=($preproc grap)
if(~ $x *pic*)
preproc=($preproc pic)
Nflag=-Tutf
}
if not {
Nflag='-N'
Lflag='-rL1000i'
# setting L changes page length to infinity (sed script removes empty lines)
if (grep -s '^\.(2C|sp *[0-9]*\.)' $2)
postproc=col
}
if(~ $x *eqn*)
preproc=($preproc eqn)
if(~ $x *tbl*)
preproc=($preproc tbl)
{echo -n $FONTS; cat $2 </dev/null} |
switch($#preproc) {
case 0
troff $Nflag $Lflag -$MAN
case 1
$preproc | troff $Nflag $Lflag -$MAN
case 2
$preproc(1) | $preproc(2) | troff $Nflag $Lflag -$MAN
case 3
$preproc(1) | $preproc(2) | $preproc(3) |
troff $Nflag $Lflag -$MAN
case *
$preproc(1) | $preproc(2) | $preproc(3) |
$preproc(4) | troff $Nflag $Lflag -$MAN
} | $postproc
}
fn page {
if(test -d /mnt/wsys/acme)
/bin/page -w
if not
/bin/page
}
search=yes
while(~ $d 0) {
if(~ $#* 0) {
echo 'usage: man [-bntpPSw] [0-9] [0-9] ... name1 name2 ...' >[1=2]
exit usage
}
if(test -d $S/$1){
sec=($sec $1)
shift
}
if not
switch($1) {
case -b ; cmd=b ; shift
case -n ; cmd=n ; shift
case -P ; cmd=P ; shift
case -p ; cmd=p ; shift
case -S ; search=no ; shift
case -t ; cmd=t ; shift
case -w ; cmd=w ; shift
case * ; d=1
}
}
if(~ $#sec 0) {
sec=`{ls -pd $S/[0-9]* }
}
ix=$S/$sec/INDEX
if(~ $#* 1) pat='^'^$1^' '
if not pat='^('^`{echo $* | sed 's/ /|/g'}^') '
fils=()
if(~ $search yes)
for(i in $S/$sec){
if(/bin/test -f $i/INDEX){
try=`{grep -i $pat $i/INDEX | sed 's/^[^ ]* //' | sort -u}
if(! ~ $#try 0)
fils=($fils $i/$try)
}
}
# bug: should also do following loop if not all pages found
if(~ $#fils 0) {
# nothing in INDEX. try for file of given name
for(i) {
if(~ $i intro) i=0intro
for(n in $sec) {
try=`{echo $S/$n/$i | tr A-Z a-z}
if (/bin/test -f $try)
fils=($fils $try)
}
}
if(~ $#fils 0) {
echo 'man: no manual page' >[1=2]
exit 'no man'
}
}
switch($cmd) {
case p; out=proof
case P; out=page
case *; out=cat
}
{
for(i in $fils) {
if(! /bin/test -f $i)
echo need $i >[1=2]
if not {
switch($cmd) {
case w
echo $i
case t
roff t $i
case p
roff t $i | grep -v '^x X html'
case P
roff t $i
case n
roff n $i | sed '
${
/^$/p
}
//N
/^\n$/D'
case b
x=`{echo $i | sed 's;/sys/man/(.*)/(.*);\1 \2;'}
if(~ $x(2) 0intro) x=($x(1) intro)
roff n $i | sed '
${
/^$/p
}
//N
/^\n$/D' |
plumb -i -d edit -a 'action=showdata filename=/man/'$x(2)^'('$x(1)^')'
}
}
}
} | $out
|
