2007-12-06 James Youngman <[EMAIL PROTECTED]>
* xargs/xargs.1: Added examples on stdin handling and more
efficient core file deletion.
---
xargs/xargs.1 | 34 ++++++++++++++++++++++++++++++++++
1 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/xargs/xargs.1 b/xargs/xargs.1
index accc223..ffa224f 100644
--- a/xargs/xargs.1
+++ b/xargs/xargs.1
@@ -321,12 +321,45 @@ in or below the directory
.B /tmp
and delete them, processing filenames in such a way that file or
directory names containing spaces or newlines are correctly handled.
+
+.P
+.B find /tmp \-depth \-name core \-type f \-delete
+
+.fi
+Find files named
+.B core
+in or below the directory
+.B /tmp
+and delete them, but more efficiently than in the previous example
+(because we avoid the need to use
+.BR fork (2)
+and
+.BR exec (2)
+to launch
+.B rm
+and we don't need the extra
+.B xargs
+process).
+
.P
.nf
.B cut \-d: \-f1 < /etc/passwd | sort | xargs echo
.fi
Generates a compact listing of all the users on the system.
+
+.P
+.nf
+.B xargs sh -c 'emacs \([EMAIL PROTECTED](dq < /dev/tty' emacs
+
+.fi
+Launches the minumum number of copes of Emacs needed, one after the
+other, to edit the files listed on
+.BR xargs '
+standard input.
+
+
+
.SH "EXIT STATUS"
.B xargs
exits with the following status:
@@ -366,6 +399,7 @@ current system.
.SH "SEE ALSO"
\fBfind\fP(1), \fBlocate\fP(1), \fBlocatedb\fP(5), \fBupdatedb\fP(1),
+\fBfork\fP(2), \fBexecvp\fP(3),
\fBFinding Files\fP (on-line in Info, or printed)
.SH "BUGS"
The
--
1.5.3.6
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