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namespace eval cache {
# Dictionary containing filename and contents pairs.
variable cache {};
proc hit {filename} {
variable cache
return [dict exists $cache $filename]
}
proc get {filename} {
variable cache
return [dict get $cache $filename]
}
proc add {filename} {
variable cache
set file [open $filename]
fconfigure $file -translation binary
dict append cache $filename [read $file]
}
proc remove {filename} {
variable cache
if [dict exists $cache $filename] {
set cache [dict remove $cache $filename]
}
}
}
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