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package require Tclpd 0.2.3
package require TclpdLib 0.19
proc+ exists::constructor {self args} {
# add second inlet (first created by default)
pd::add_inlet $self list
# add outlet
pd::add_outlet $self list
}
proc+ exists::0_symbol {self args} {
# HOT inlet
set @filename [lindex {*}$args 1]
exists::0_bang $self
}
proc+ exists::0_anything {self args} {
# HOT inlet
set @filename [lindex {*}$args 1]
pd::post "anything: $@filename"
exists::0_bang $self
}
proc+ exists::0_bang {self} {
if {$@filename == {}} return
pd::outlet $self 0 [list float [file exists $@filename]]
}
proc+ exists::1_anything {self args} {
# COLD inlet
set @filename [lindex {*}$args 1]
}
pd::class exists
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