21 lines
453 B
Tcl
21 lines
453 B
Tcl
# Internally, open "|..." calls out to popen from tclcompat.tcl
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#
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# This code is compatible with Tcl
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# Write to a pipe
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set f [open |[list cat | sed -e "s/line/This is line/" >temp.out] w]
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puts "Creating temp.out with pids: [pid $f]"
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foreach n {1 2 3 4 5} {
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puts $f "line $n"
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}
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close $f
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# Read from a pipe
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set f [open "|cat temp.out"]
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puts "Reading temp.out with pids: [pid $f]"
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while {[gets $f buf] >= 0} {
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puts $buf
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}
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close $f
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file delete temp.out
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