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package require Tclpd 0.3.0
package require TclpdLib 0.20
package require tclfile
proc isfile::constructor {self args} {
if {![namespace exists $self]} {
namespace eval $self {}
}
variable ${self}::current_canvas [canvas_getcurrent]
# set to blank so the var always exists
variable ${self}::filename {}
# add second inlet (first created by default)
pd::add_inlet $self list
# add outlet
pd::add_outlet $self list
}
# HOT inlet --------------------------------------------------------------------
proc isfile::0_symbol {self args} {
variable ${self}::filename [pd::arg 0 symbol]
isfile::0_bang $self
}
proc isfile::0_anything {self args} {
variable ${self}::filename [tclfile::make_symbol $args]
isfile::0_bang $self
}
proc isfile::0_bang {self} {
variable ${self}::current_canvas
variable ${self}::filename
if {[file pathtype $filename] eq "absolute"} {
pd::outlet $self 0 float [file isfile $filename]
} else {
set dir [canvas_getdir $current_canvas]
pd::outlet $self 0 float [file isfile [file join $dir $filename]]
}
}
# COLD inlet -------------------------------------------------------------------
proc isfile::1_symbol {self args} {
variable ${self}::filename [pd::arg 0 symbol]
}
proc isfile::1_anything {self args} {
variable ${self}::filename [tclfile::make_symbol $args]
}
pd::class isfile
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