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Diffstat (limited to 'doc/pid.n')
| -rw-r--r-- | doc/pid.n | 10 |
1 files changed, 4 insertions, 6 deletions
@@ -5,14 +5,12 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: pid.n,v 1.4 2004/05/28 12:40:29 dkf Exp $ -'\" -.so man.macros .TH pid n 7.0 Tcl "Tcl Built-In Commands" +.so man.macros .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME -pid \- Retrieve process id(s) +pid \- Retrieve process identifiers .SH SYNOPSIS \fBpid \fR?\fIfileId\fR? .BE @@ -25,14 +23,14 @@ In this case the \fBpid\fR command will return a list whose elements are the process identifiers of all the processes in the pipeline, in order. The list will be empty if \fIfileId\fR refers to an open file -that isn't a process pipeline. +that is not a process pipeline. If no \fIfileId\fR argument is given then \fBpid\fR returns the process identifier of the current process. All process identifiers are returned as decimal strings. .SH EXAMPLE Print process information about the processes in a pipeline using the SysV \fBps\fR program before reading the output of that pipeline: - +.PP .CS set pipeline [open "| zcat somefile.gz | grep foobar | sort -u"] # Print process information |