From: "Smarasderagd" <smarry@vex.net> To: fosterd@hartwick.edu, rc@hawkwind.utcs.toronto.edu Subject: Re: flattening a command substitution Date: Tue, 11 Jul 2000 12:39:49 -0500 [thread overview] Message-ID: <20000711163949.21962.qmail@pantransit.reptiles.org> (raw) "Decklin Foster" <fosterd@hartwick.edu> writes: >Is there a way to perform a command substitution and flatten it all at >once? For example, say I want to work with a pwd that has spaces: Or worse, tabs. >Now, there are two ways I can get it to work: use a newline as the >ifs-value, or have a temporary variable: > >pwd=`{pwd} >ls $^pwd I usually do: nl = ' ' somewhere at the top of the script. I sometimes also have tab = ' '. Later, if I want to ignore other whitespace: ls ``($nl){pwd} >Neither strike me as being very elegant. The first option doesn't >generalize to commands with multi-line output, and having to waste a >variable seems wrong. Does anyone have a better idea? For commands with multi-line output, ``(){command} seems like the right thing to me. As others may have discovered, it still splits the output if it happens to contain nulls, which I actually find rather useful if I want to do things with the output of find with the -print0 option...
next reply other threads:[~2000-07-12 22:54 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2000-07-11 17:39 Smarasderagd [this message] -- strict thread matches above, loose matches on Subject: below -- 2000-07-08 2:50 Decklin Foster
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