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116 lines
2.4 KiB
Groff
116 lines
2.4 KiB
Groff
.\" descend.man,v 1.1 1992/04/03 05:22:53 berliner Exp
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.TH DESCEND 1 "31 March 1992"
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.SH NAME
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descend \- walk directory tree and execute a command at each node
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.SH SYNOPSIS
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.B descend
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[
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.B \-afqrv
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]
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.I command
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[
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.I directory
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\&.\|.\|.
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]
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.SH DESCRIPTION
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.B descend
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walks down a directory tree and executes a command at each node. It
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is not as versatile as
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.BR find (1),
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but it has a simpler syntax. If no
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.I directory
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is specified,
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.B descend
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starts at the current one.
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.LP
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Unlike
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.BR find ,
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.B descend
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can be told to skip the special directories associated with RCS,
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CVS, and SCCS. This makes
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.B descend
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especially handy for use with these packages. It can be used with
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other commands too, of course.
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.LP
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.B descend
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is a poor man's way to make any command recursive. Note:
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.B descend
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does not follow symbolic links to directories unless they are
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specified on the command line.
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.SH OPTIONS
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.TP 15
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.B \-a
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.I All.
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Descend into directories that begin with '.'.
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.TP
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.B \-f
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.I Force.
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Ignore errors during descent. Normally,
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.B descend
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quits when an error occurs.
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.TP
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.B \-q
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.I Quiet.
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Suppress the message `In directory
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.IR directory '
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that is normally printed during the descent.
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.TP
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.B \-r
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.I Restricted.
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Don't descend into the special directories
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.SB RCS,
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.SB CVS,
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.SB CVS.adm,
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and
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.SB SCCS.
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.TP
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.B \-v
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.I Verbose.
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Print
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.I command
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before executing it.
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.SH EXAMPLES
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.TP 15
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.B "descend ls"
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Cheap substitute for `ls -R'.
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.TP 15
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.B "descend -f 'rm *' tree"
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Strip `tree' of its leaves. This command descends the `tree'
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directory, removing all regular files. Since
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.BR rm (1)
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does not remove directories, this command leaves the directory
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structure of `tree' intact, but denuded. The
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.B \-f
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option is required to keep
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.B descend
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from quitting. You could use `rm \-f' instead.
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.TP
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.B "descend -r 'co RCS/*'" /project/src/
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Check out every RCS file under the directory
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.BR "/project/src" .
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.TP
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.B "descend -r 'cvs diff'"
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Perform CVS `diff' operation on every directory below (and including)
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the current one.
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.SH DIAGNOSTICS
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Returns 1 if errors occur (and the
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.B \-f
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option is not used). Otherwise returns 0.
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.SH SEE ALSO
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.BR find (1),
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.BR rcsintro (1),
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.BR cvs (1),
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.BR sccs (1)
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.SH AUTHOR
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Lowell Skoog
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.br
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Software Technology Group
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.br
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John Fluke Mfg. Co., Inc.
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.SH BUGS
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Shell metacharacters in
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.I command
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may have bizarre effects. In particular, compound commands
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(containing ';', '[', and ']' characters) will not work. It is best
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to enclose complicated commands in single quotes \(aa\ \(aa.
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