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78 lines
1.6 KiB
78 lines
1.6 KiB
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if {$::argc >= 1} { |
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set persec [lindex $::argv 0] |
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} else { |
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set persec 1 |
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} |
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if {$::argc == 2} { |
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set what [lindex $::argv 1] |
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} else { |
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set what "." |
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} |
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if {$persec > 1000} { |
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puts stderr "WARNING: (>1000) sub millisecond scheduling not available - will go full speed" |
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flush stderr |
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after 500 |
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} |
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#--- confg --- |
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set newline_every_x_seconds 5 |
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#--- |
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chan configure stdout -blocking 1 -buffering none |
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set counter 0 |
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set ms [expr {1000 / $persec}] |
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set nl_every [expr {$persec * $newline_every_x_seconds}] |
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proc schedule {} { |
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if {$::forever_stdout_per_second} { |
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after idle [list after 0 ::emit] |
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tailcall after $::ms ::schedule |
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} else { |
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after idle [list ::the_end] |
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} |
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} |
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set ::forever_stdout_per_second 1 |
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proc the_end {} { |
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puts stderr "-done-" |
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flush stderr |
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flush stdout |
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set ::done_stdout_per_second 1 |
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} |
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proc emit {} { |
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upvar ::counter c |
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if {($c > 1) && (($c % $::nl_every) == 0)} { |
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puts -nonewline stdout " " |
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flush stdout |
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puts stderr $c |
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flush stderr |
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} else { |
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puts -nonewline stdout $::what |
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} |
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#flush stdout |
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incr c |
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} |
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chan configure stdin -blocking 0 -buffering none |
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chan event stdin readable [list apply {{chan} { |
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set chunk [chan read $chan] |
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if {[string length $chunk]} { |
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if {[string match "*q*" [string tolower $chunk]]} { |
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set ::forever_stdout_per_second 0 |
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chan event $chan readable {} |
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puts stderr "cancelling" |
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} |
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} |
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if {[chan eof $chan]} { |
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chan event $chan readable {} |
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} |
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}} stdin] |
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schedule |
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vwait ::forever_stdout_per_second |
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vwait ::done_stdout_per_second |
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