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- pid(n) Tcl Built-In Commands 7.0
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- NAME
- pid - Retrieve process id(s)
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- SYNOPSIS
- pid ?_f_i_l_e_I_d?
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- DESCRIPTION
- If the _f_i_l_e_I_d argument is given then it should normally
- refer to a process pipeline created with the open command.
- In this case the pid command will return a list whose ele-
- ments are the process identifiers of all the processes in
- the pipeline, in order. The list will be empty if _f_i_l_e_I_d
- refers to an open file that isn't a process pipeline. If no
- _f_i_l_e_I_d argument is given then pid returns the process iden-
- tifier of the current process. All process identifiers are
- returned as decimal strings.
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- KEYWORDS
- file, pipeline, process identifier
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- Tcl 1
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