Date: Thu, 29 Jan 2004 09:42:32 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: zhangweiwu@realss.com Cc: questions@freebsd.org Subject: Re: use \000 in sed Message-ID: <20040129154232.GB31560@dan.emsphone.com> In-Reply-To: <LAW11-F18PNBhMPHOuj000322b7@hotmail.com> References: <LAW11-F18PNBhMPHOuj000322b7@hotmail.com>
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In the last episode (Jan 29), Zhang Weiwu said: > Hello. I wish to see all the files in some pathes in a string. > > Say, I wish to list all files in $PATH and manpath(1) > > What I can think of is to use > #manpath | sed "s/:/ /g" |xargs ls > (This is useful when auto-completing man command in a shell, say, csh). > > This works, but the command is wrong when a path contain a space in it. > > I think a better way is to replace ":" with \000, the "NULL". In this way I > can use "xargs -0" to pass all pathes to ls(1) > #manpath | sed s/:/\000/g" |xargs -0 ls I'm not sure that sed can process \123-style octal characters, since it already uses the \ character for backreferences. Since you're only replacing one letter, you can use tr: manpath | tr ':' '\000' | xargs -0 ls -- Dan Nelson dnelson@allantgroup.com
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