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|
# Try to open the executable as a database and read the "scripts.data"
# field where "scripts.name" is 'main.tcl'
#
catch {
if {![file exists $argv0] && [file exists $argv0.exe]} {
append argv0 .exe
}
sqlite3 db $argv0 -vfs apndvfs -create 0
set mainscript [db one {
SELECT sqlar_uncompress(data,sz) FROM sqlar WHERE name='main.tcl'
}]
}
if {[info exists mainscript]} {
eval $mainscript
return
} else {
catch {db close}
}
# Try to open file named in the first argument as a database and
# read the "scripts.data" field where "scripts.name" is 'main.tcl'
#
if {[llength $argv]>0 && [file readable [lindex $argv 0]]} {
catch {
sqlite3 db [lindex $argv 0] -vfs apndvfs -create 0
set mainscript [db one {SELECT data FROM scripts WHERE name='main.tcl'}]
set argv0 [lindex $argv 0]
set argv [lrange $argv 1 end]
}
if {[info exists mainscript]} {
eval $mainscript
return
} else {
catch {db close}
}
if {[string match *.tcl [lindex $argv 0]]} {
set fd [open [lindex $argv 0] rb]
set mainscript [read $fd]
close $fd
unset fd
set argv0 [lindex $argv 0]
set argv [lrange $argv 1 end]
}
if {[info exists mainscript]} {
eval $mainscript
return
}
}
# If all else fails, do an interactive loop
#
set line {}
while {![eof stdin]} {
if {$line!=""} {
puts -nonewline "> "
} else {
puts -nonewline "% "
}
flush stdout
append line [gets stdin]
if {[info complete $line]} {
if {[catch {uplevel #0 $line} result]} {
puts stderr "Error: $result"
} elseif {$result!=""} {
puts $result
}
set line {}
} else {
append line \\n"
}
}
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