X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;ds=sidebyside;f=robot.tcl;h=a90d6e8d91c801e0ed392f4b48797c9542c2be46;hb=1eb62bcb2a33b6e5bf29ec82e2fed329953bbf9a;hp=5210452b8212acf186f2311bf5b027de67b566d7;hpb=041b89c564f44f02116c762c883da3bde7b1df1c;p=tclrobot.git
diff --git a/robot.tcl b/robot.tcl
index 5210452..a90d6e8 100755
--- a/robot.tcl
+++ b/robot.tcl
@@ -1,5 +1,5 @@
#!/usr/bin/tclsh
-# $Id: robot.tcl,v 1.23 2001/10/31 08:51:49 adam Exp $
+# $Id: robot.tcl,v 1.43 2003/06/11 09:40:22 adam Exp $
#
proc RobotFileNext1 {area lead} {
# puts "RobotFileNext1 area=$area lead=$lead"
@@ -9,14 +9,19 @@ proc RobotFileNext1 {area lead} {
foreach n $ns {
if {[file isfile $n]} {
set off [string last / $n]
- incr off 2
- return $lead/[string range $n $off end]
+ # skip /
+ incr off
+ set end [string length $n]
+ # skip _.tkl
+ incr end -6
+ return $lead/[string range $n $off $end]
}
}
foreach n $ns {
if {[file isdirectory $n]} {
set off [string last / $n]
- incr off 2
+ # skip /
+ incr off
set sb [RobotFileNext1 $n $lead/[string range $n $off end]]
if {[string length $sb]} {
return $sb
@@ -49,30 +54,36 @@ proc RobotReadRecord {inf fromurlx distancex} {
set fromurl [string trim [gets $inf]]
}
-proc RobotFileNext {area} {
- global robotSeq global idletime ns
+proc RobotFileNext {task area} {
+ global control
+ global idletime ns
+ global status
- # puts "RobotFileNext robotSeq=$robotSeq"
- if {$robotSeq < 0} {
+ # puts "RobotFileNext seq=$control($task,seq)"
+ if {$control($task,seq) < 0} {
return {}
}
- if {$robotSeq == 0} {
- if {[catch {set ns [glob ${area}/*]}]} {
- return {}
+ if {$control($task,seq) == 0} {
+ if {[catch {set ns($task) [glob $task/$area/*]}]} {
+ return done
}
}
- set off [string length $area]
+ # puts "ns=$ns($task)"
+ set off [string length $task/$area]
incr off
- set n [lindex $ns $robotSeq]
+ set n [lindex $ns($task) $control($task,seq)]
+ # puts "n=$n"
if {![string length $n]} {
- set robotSeq -1
+ set control($task,seq) -1
flush stdout
- puts "Round robin"
+ set statusfile [open $task/status w]
+ puts $statusfile "$status($task,unvisited) $status($task,bad) $status($task,visited)"
+ close $statusfile
return wait
}
- incr robotSeq
- if {[file isfile $n/frobots.txt]} {
- puts "ok returning http://[string range $n $off end]/robots.txt"
+ incr control($task,seq)
+ if {[file isfile $n/robots.txt_.tkl]} {
+ # puts "ok returning http://[string range $n $off end]/robots.txt"
return http://[string range $n $off end]/robots.txt
} elseif {[file isdirectory $n]} {
set sb [RobotFileNext1 $n http://[string range $n $off end]]
@@ -81,42 +92,36 @@ proc RobotFileNext {area} {
}
}
puts "no more work at end of RobotFileNext n=$n"
- puts "ns=$ns"
+ puts "ns=$ns($task)"
return {}
}
-proc RobotFileExist {area host path} {
- # puts "RobotFileExist begin area=$area host=$host path=$path"
- set lpath [split $path /]
- set l [llength $lpath]
- incr l -1
- set t [lindex $lpath $l]
- incr l -1
- set npath $area/$host[join [lrange $lpath 0 $l] /d]/f$t
- # puts "RobotFileExist end npath=$npath"
- return [file exists $npath]
+proc RobotFileExist {task area host path} {
+ global debuglevel
+
+ if {$debuglevel > 3} {
+ puts "RobotFileExist begin area=$area host=$host path=$path"
+ }
+ return [file exists $task/$area/$host${path}_.tkl]
}
-proc RobotFileUnlink {area host path} {
+proc RobotFileUnlink {task area host path} {
+ global status
# puts "RobotFileUnlink begin"
# puts "area=$area host=$host path=$path"
- set lpath [split $path /]
- set l [llength $lpath]
- incr l -1
- set t [lindex $lpath $l]
- incr l -1
- set npath $area/$host[join [lrange $lpath 0 $l] /d]/f$t
+ set npath $task/$area/$host${path}_.tkl
# puts "npath=$npath"
set comp [split $npath /]
+ if {[catch {exec rm $npath}]} return
+
set l [llength $comp]
- incr l -1
- if {[catch {exec rm [join $comp /]}]} return
- incr l -1
+ incr l -2
+ incr status($task,$area) -1
for {set i $l} {$i > 0} {incr i -1} {
set path [join [lrange $comp 0 $i] /]
if {![catch {glob $path/*}]} return
- exec rmdir ./$path
+ exec rmdir $path
}
# puts "RobotFileUnlink end"
}
@@ -127,134 +132,311 @@ proc RobotFileClose {out} {
}
}
-proc RobotFileOpen {area host path {mode w}} {
+proc RobotFileOpen {task area host path {mode w}} {
set orgPwd [pwd]
global workdir
+ global status
+ global debuglevel
+
+ # puts "RobotFileOpen task=$task path=$path"
if {![info exists workdir]} {
return stdout
}
- #puts "RobotFileOpen orgPwd=$orgPwd area=$area host=$host path=$path mode=$mode"
+ if {$debuglevel > 3} {
+ puts "RobotFileOpen orgPwd=$orgPwd area=$area host=$host path=$path mode=$mode"
+ }
if {[string compare $orgPwd $workdir]} {
puts "ooops. RobotFileOpen failed"
puts "workdir = $workdir"
puts "pwd = $orgPwd"
exit 1
}
- set comp [split $area/$host$path /]
+
+ set comp [split $task/$area/$host /]
set len [llength $comp]
incr len -1
- for {set i 0} {$i < $len} {incr i} {
- if {$i > 1} {
- set d "d[lindex $comp $i]"
- } else {
- set d [lindex $comp $i]
- }
- if {[catch {cd ./$d}]} {
+
+ # puts "1 comp=$comp"
+
+ for {set i 0} {$i <= $len} {incr i} {
+ set d [lindex $comp $i]
+ if {[string length $d] == 0} {
+ cd /
+ } elseif {[catch {cd $d}]} {
exec mkdir $d
cd ./$d
- if {![string compare $area unvisited] && $i == 1 && $mode == "w"} {
- set out [open frobots.txt w]
- puts "creating robots.txt in $d"
- close $out
+ if {![string compare $area unvisited] && $i == $len && $mode == "w"} {
+ if {[string compare $path /robots.txt]} {
+ set out [open robots.txt_.tkl w]
+ puts "creating robots.txt in $d"
+ close $out
+ incr status($task,unvisited)
+ }
}
}
}
+
+ set comp [split $path /]
+ set len [llength $comp]
+ incr len -1
+
+ # puts "2 path=$path comp=$comp"
+
+ for {set i 0} {$i < $len} {incr i} {
+ set d [lindex $comp $i]
+ if {[string length $d] > 0} {
+ if {[catch {cd $d}]} {
+ exec mkdir $d
+ cd ./$d
+ }
+ }
+ }
set d [lindex $comp $len]
- if {[string length $d]} {
- if {[file isdirectory $d]} {
- set out [open $d/f $mode]
- } else {
- set out [open f$d $mode]
- }
- } else {
- set out [open f $mode]
+ set out [open ${d}_.tkl $mode]
+ if {$mode == "w"} {
+ incr status($task,$area)
}
cd $orgPwd
return $out
}
-proc RobotRR {} {
- global robotSeq robotsRunning
+proc RobotStartJob {fname t} {
+ global control
+ set f [open $fname r]
+ set xml [read $f]
+ puts "Reading $fname"
+ close $f
+ if {![regexp {([^<]*)} $xml x status]} {
+ return
+ }
+ if {$status == "done"} {
+ puts "already done"
+ return
+ }
+ puts "status = $status"
+ if {![task $t]} {
+ return
+ }
+ htmlSwitch $xml \
+ url {
+ url $body
+ } filter {
+ set type $parm(type)
+ set action $parm(action)
+ if {$type == "domain"} {
+ $action url http://$body/*
+ }
+ if {$type == "url"} {
+ $action url $body
+ }
+ if {$type == "mime"} {
+ $action mime $body
+ }
+ } distance {
+ set control($t,distance) $body
+ } status {
+ set control($t,filestatus) $body
+ }
+ if {$status == "pending"} {
+ regsub {[^<]*} $xml {running} xml2
+ set f [open $fname w]
+ puts -nonewline $f $xml2
+ close $f
+ }
+}
+
+proc RobotDoneJob {t} {
+ global daemon_dir
+
+ if {![info exists daemon_dir]} {
+ return
+ }
+
+ set fname $t.tkl
+
+ set f [open $fname r]
+ set xml [read $f]
+ puts "Reading $fname"
+ regexp {([^<]*)} $xml x status
+ puts "------"
+ puts "status = $status"
+ close $f
+
+ regsub {[^<]*} $xml {done} xml2
+ set f [open $fname w]
+ puts -nonewline $f $xml2
+ close $f
+}
+
+proc RobotScanDir {} {
+ global daemon_dir
+
+ if {![info exists daemon_dir]} {
+ return
+ }
+ foreach d $daemon_dir {
+ if {[catch {set files [glob $d/*.tkl]}]} {
+ return
+ }
+ foreach fname $files {
+ if {[file isfile $fname] && [file readable $fname]} {
+ set t [file rootname $fname]
+ RobotStartJob $fname $t
+ }
+ }
+ }
+}
+
+proc RobotRR {task} {
+ global control robotsRunning tasks robotsMax status
+
+ puts "RobotRR -- running=$robotsRunning max=$robotsMax---------------"
incr robotsRunning -1
+
+ # only one task gets through...
+ if {[string compare [lindex $tasks 0] $task]} {
+ return
+ }
+ puts "RobotRR. task = $task"
while {$robotsRunning} {
vwait robotsRunning
}
- set robotSeq 0
- RobotStart
+ puts "Scan"
+ if {[catch {RobotScanDir} msg]} {
+ puts "RobotScanDir failed"
+ puts $msg
+ }
+ foreach t $tasks {
+ set statusfile [open $t/status w]
+ puts $statusfile "$status($t,unvisited) $status($t,bad) $status($t,visited)"
+ close $statusfile
+ set control($t,seq) 0
+ RobotStart $t
+ }
}
-proc RobotRestart {url sock} {
+proc RobotDaemonSig {} {
+ global daemon_cnt
+
+ incr daemon_cnt
+}
+
+proc RobotDaemonLoop {} {
+ global daemon_cnt tasks robotsRunning status
+
+ set daemon_cnt 0
+ while 1 {
+ puts $daemon_cnt
+
+ RobotScanDir
+
+ if {[info exists tasks]} {
+ puts "daemon loop tasks $tasks"
+ foreach t $tasks {
+ set control($t,seq) 0
+ RobotStart $t
+ }
+ while {$robotsRunning} {
+ vwait robotsRunning
+ }
+ }
+ after 30000 RobotDaemonSig
+ vwait daemon_cnt
+ }
+}
+
+proc RobotRestart {task url sock} {
global URL robotsRunning
close $sock
after cancel $URL($sock,cancel)
- foreach v [array names URL $url,*] {
+ foreach v [array names URL $task,$url,*] {
unset URL($v)
}
incr robotsRunning -1
- RobotStart
+ RobotStart $task
}
-proc RobotStart {} {
+proc RobotStart {task} {
global URL
- global robotsRunning robotsMax idletime
+ global robotsRunning robotsMax idletime status tasks
- # puts "RobotStart"
+ # puts "RobotStart $task running=$robotsRunning"
while {1} {
- set url [RobotFileNext unvisited]
+ set url [RobotFileNext $task unvisited]
+ if {[string compare $url done] == 0} {
+ puts "In RobotStart task $task done"
+
+ catch {unset ntasks}
+ foreach t $tasks {
+ if {[string compare $t $task]} {
+ lappend ntasks $t
+ } else {
+ puts "task $t done"
+ }
+ }
+ if {![info exists ntasks]} {
+ unset tasks
+ puts "all done"
+ } else {
+ set tasks $ntasks
+ }
+ RobotDoneJob $task
+ return
+ }
if {![string length $url]} {
return
}
- incr robotsRunning
+ incr robotsRunning
if {[string compare $url wait] == 0} {
- after $idletime RobotRR
- return
+ after $idletime [list RobotRR $task]
+ return
}
- set r [RobotGetUrl $url {}]
+ set r [RobotGetUrl $task $url {}]
if {!$r} {
if {$robotsRunning >= $robotsMax} return
} else {
incr robotsRunning -1
- if {![RobotFileExist bad $URL($url,hostport) $URL($url,path)]} {
- set outf [RobotFileOpen bad $URL($url,hostport) $URL($url,path)]
+ if {![RobotFileExist $task bad $URL($task,$url,hostport) $URL($task,$url,path)]} {
+ set outf [RobotFileOpen $task bad $URL($task,$url,hostport) $URL($task,$url,path)]
RobotFileClose $outf
}
- RobotFileUnlink unvisited $URL($url,hostport) $URL($url,path)
+ RobotFileUnlink $task unvisited $URL($task,$url,hostport) $URL($task,$url,path)
}
}
}
-proc headSave {url out} {
+proc headSave {task url out} {
global URL
- if {[info exists URL($url,head,last-modified)]} {
- puts $out "$URL($url,head,last-modified)"
+ if {[info exists URL($task,$url,head,last-modified)]} {
+ puts $out "$URL($task,$url,head,last-modified)"
}
puts $out {}
- if {[info exists URL($url,head,date)]} {
- puts $out " $URL($url,head,date)"
+ if {[info exists URL($task,$url,head,date)]} {
+ puts $out " $URL($task,$url,head,date)"
}
- if {[info exists URL($url,head,content-length)]} {
- puts $out " $URL($url,head,content-length)"
+ if {[info exists URL($task,$url,head,content-length)]} {
+ puts $out " $URL($task,$url,head,content-length)"
}
- if {[info exists URL($url,head,server)]} {
- puts $out " $URL($url,head,server)"
+ if {[info exists URL($task,$url,head,server)]} {
+ puts $out " $URL($task,$url,head,server)"
}
puts $out {}
puts $out {}
puts $out " $url"
- if {[info exists URL($url,head,content-type)]} {
- puts $out " $URL($url,head,content-type)"
+ if {[info exists URL($task,$url,head,content-type)]} {
+ puts $out " $URL($task,$url,head,content-type)"
}
puts $out {}
}
-proc RobotHref {url hrefx hostx pathx} {
- global URL domains debuglevel
+proc RobotHref {task url hrefx hostx pathx} {
+ global URL control debuglevel
upvar $hrefx href
upvar $hostx host
upvar $pathx path
@@ -269,12 +451,11 @@ proc RobotHref {url hrefx hostx pathx} {
if {[string length $href] > 256} {
return 0
}
- if {[string first {?} $href] >= 0} {
- return 0
- }
- if {[string first {?} $url] >= 0 && [string first {?} $href] >= 0} {
- return 0
- }
+
+# Skip pages that have ? in them
+# if {[string first {?} $url] >= 0 && [string first {?} $href] >= 0} {
+# return 0
+# }
# get method (if any)
if {![regexp {^([^/:]+):(.*)} $href x method hpath]} {
set hpath $href
@@ -289,13 +470,13 @@ proc RobotHref {url hrefx hostx pathx} {
if {![string length $surl]} {
set surl /
}
- if {[info exist domains]} {
+ if {[info exist control($task,domains)]} {
set ok 0
- foreach domain $domains {
+ foreach domain $control($task,domains) {
if {[string match $domain $host]} {
set ok 1
break
- }
+ }
}
if {!$ok} {
return 0
@@ -303,14 +484,18 @@ proc RobotHref {url hrefx hostx pathx} {
}
} else {
regexp {^([^\#]*)} $hpath x surl
- set host $URL($url,hostport)
+ set host $URL($task,$url,hostport)
}
if {![string length $surl]} {
return 0
}
if {[string first / $surl]} {
# relative path
- regexp {^([^\#?]*)} $URL($url,path) x dpart
+ set curpath $URL($task,$url,path)
+ if {[info exists URL($task,$url,bpath)]} {
+ set curpath $URL($task,$url,bpath)
+ }
+ regexp {^([^\#?]*)} $curpath x dpart
set l [string last / $dpart]
if {[expr $l >= 0]} {
set surl [string range $dpart 0 $l]$surl
@@ -324,7 +509,7 @@ proc RobotHref {url hrefx hostx pathx} {
foreach c $surllist {
switch -- $c {
.. {
- if {$pathl > 0} {
+ if {$pathl > 1} {
incr pathl -2
set path [lrange $path 0 $pathl]
incr pathl
@@ -339,10 +524,12 @@ proc RobotHref {url hrefx hostx pathx} {
}
}
}
- if {$pathl} {
- set path [join $path /]
- } else {
- set path ""
+ if {$debuglevel > 4} {
+ puts "pathl=$pathl output path=$path"
+ }
+ set path [join $path /]
+ if {![string length $path]} {
+ set path /
}
regsub -all {~} $path {%7E} path
set href "$method://$host$path"
@@ -350,55 +537,55 @@ proc RobotHref {url hrefx hostx pathx} {
if {$debuglevel > 1} {
puts "Ref result = $href"
}
- return [checkrule url $href]
+ return [checkrule $task url $href]
}
-proc RobotError {url code} {
+proc RobotError {task url code} {
global URL
puts "Bad URL $url (code $code)"
set fromurl {}
set distance -1
- if {[RobotFileExist unvisited $URL($url,hostport) $URL($url,path)]} {
- set inf [RobotFileOpen unvisited $URL($url,hostport) $URL($url,path) r]
+ if {[RobotFileExist $task unvisited $URL($task,$url,hostport) $URL($task,$url,path)]} {
+ set inf [RobotFileOpen $task unvisited $URL($task,$url,hostport) $URL($task,$url,path) r]
RobotReadRecord $inf fromurl distance
RobotFileClose $inf
}
- RobotFileUnlink unvisited $URL($url,hostport) $URL($url,path)
- if {![RobotFileExist bad $URL($url,hostport) $URL($url,path)]} {
- set outf [RobotFileOpen bad $URL($url,hostport) $URL($url,path)]
+ RobotFileUnlink $task unvisited $URL($task,$url,hostport) $URL($task,$url,path)
+ if {![RobotFileExist $task bad $URL($task,$url,hostport) $URL($task,$url,path)]} {
+ set outf [RobotFileOpen $task bad $URL($task,$url,hostport) $URL($task,$url,path)]
RobotWriteRecord $outf $fromurl $distance
RobotFileClose $outf
}
}
-proc RobotRedirect {url tourl code} {
+proc RobotRedirect {task url tourl code} {
global URL
puts "Redirecting from $url to $tourl"
set distance {}
set fromurl {}
- if {[RobotFileExist unvisited $URL($url,hostport) $URL($url,path)]} {
- set inf [RobotFileOpen unvisited $URL($url,hostport) $URL($url,path) r]
+ if {[RobotFileExist $task unvisited $URL($task,$url,hostport) $URL($task,$url,path)]} {
+ set inf [RobotFileOpen $task unvisited $URL($task,$url,hostport) $URL($task,$url,path) r]
RobotReadRecord $inf fromurl distance
RobotFileClose $inf
}
- if {![RobotFileExist bad $URL($url,hostport) $URL($url,path)]} {
- set outf [RobotFileOpen bad $URL($url,hostport) $URL($url,path)]
+ if {![RobotFileExist $task bad $URL($task,$url,hostport) $URL($task,$url,path)]} {
+ set outf [RobotFileOpen $task bad $URL($task,$url,hostport) $URL($task,$url,path)]
RobotWriteRecord $outf $fromurl $distance
RobotFileClose $outf
}
- if {[RobotHref $url tourl host path]} {
- if {![RobotFileExist visited $host $path]} {
- if {![RobotFileExist unvisited $host $path]} {
- set outf [RobotFileOpen unvisited $host $path]
+ if {[RobotHref $task $url tourl host path]} {
+ if {![RobotFileExist $task visited $host $path]} {
+ if {![RobotFileExist $task unvisited $host $path]} {
+ set outf [RobotFileOpen $task unvisited $host $path]
RobotWriteRecord $outf $fromurl $distance
RobotFileClose $outf
}
} else {
set olddistance {}
- set inf [RobotFileOpen visited $host $path r]
+ set inf [RobotFileOpen $task visited $host $path r]
RobotReadRecord $inf oldurl olddistance
RobotFileClose $inf
if {[string length $olddistance] == 0} {
@@ -409,157 +596,171 @@ proc RobotRedirect {url tourl code} {
}
puts "distance=$distance olddistance=$olddistance"
if {[expr $distance < $olddistance]} {
- set outf [RobotFileOpen unvisited $host $path]
+ set outf [RobotFileOpen $task unvisited $host $path]
RobotWriteRecord $outf $tourl $distance
RobotFileClose $outf
}
}
}
- if {[catch {RobotFileUnlink unvisited $URL($url,hostport) $URL($url,path)}]} {
+ if {[catch {RobotFileUnlink $task unvisited $URL($task,$url,hostport) $URL($task,$url,path)}]} {
puts "unlink failed"
exit 1
}
}
-proc RobotTextHtml {url out} {
- global URL maxdistance
+proc link {task url out href body distance} {
+ global URL control
+ if {[expr $distance > $control($task,distance)]} return
+
+ if {![RobotHref $task $url href host path]} return
+
+ puts $out ""
+ puts $out "$href"
+ puts $out "$body"
+ puts $out ""
+
+ if {![RobotFileExist $task visited $host $path]} {
+ set olddistance 1000
+ if {![RobotFileExist $task bad $host $path]} {
+ if {[RobotFileExist $task unvisited $host $path]} {
+ set inf [RobotFileOpen $task unvisited $host $path r]
+ RobotReadRecord $inf oldurl olddistance
+ RobotFileClose $inf
+ }
+ } else {
+ set olddistance 0
+ }
+ if {[string length $olddistance] == 0} {
+ set olddistance 1000
+ }
+ if {[expr $distance < $olddistance]} {
+ set outf [RobotFileOpen $task unvisited $host $path]
+ RobotWriteRecord $outf $url $distance
+ RobotFileClose $outf
+ }
+ } elseif {[string compare $href $url]} {
+ set inf [RobotFileOpen $task visited $host $path r]
+ RobotReadRecord $inf xurl olddistance
+ close $inf
+ if {[string length $olddistance] == 0} {
+ set olddistance 1000
+ }
+ if {[expr $distance < $olddistance]} {
+ puts "OK remarking url=$url href=$href"
+ puts "olddistance = $olddistance"
+ puts "newdistance = $distance"
+ set outf [RobotFileOpen $task unvisited $host $path]
+ RobotWriteRecord $outf $url $distance
+ RobotFileClose $outf
+ }
+ }
+}
+
+proc RobotTextHtml {task url out} {
+ global URL control
+
+ # set title so we can emit it for the body
+ set title {}
+ # if true, nothing will be indexed
+ set noindex 0
+ # if true, nothing will be followed
+ set nofollow 0
set distance 0
- if {$maxdistance < 1000 && [info exists URL($url,dist)]} {
- set distance [expr $URL($url,dist) + 1]
+ set fdistance 0
+ if {$control($task,distance) < 1000 && [info exists URL($task,$url,dist)]} {
+ set fdistance $URL($task,$url,dist)
+ set distance [expr $fdistance + 1]
}
- htmlSwitch $URL($url,buf) \
+ htmlSwitch $URL($task,$url,buf) \
title {
- puts $out "
$body"
+ set title $body
} -nonest meta {
+ # collect metadata and save NAME= CONTENT=..
+ set metaname {}
+ set metacontent {}
puts -nonewline $out ""
+ # go through robots directives (af any)
+ if {![string compare $metaname robots]} {
+ set direcs [split [string tolower $metacontent] ,]
+ if {[lsearch $direcs noindex] >= 0} {
+ set noindex 1
+ }
+ if {[lsearch $direcs nofollow] >= 0} {
+ set nofollow 1
+ }
}
- puts $out {>}
} body {
- regsub -all -nocase {} $body {} abody
- regsub -all {<[^\>]+>} $abody {} nbody
- puts $out ""
- puts $out $nbody
- puts $out ""
- } -nonest a {
+ # don't print title of document content if noindex is used
+ if {!$noindex} {
+ puts $out "$title"
+ regsub -all {} $body { } abody
+ regsub -all -nocase {