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author | David Adam (zanchey) <zanchey@ucc.gu.uwa.edu.au> | 2013-05-23 13:58:16 +0800 |
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committer | ridiculousfish <corydoras@ridiculousfish.com> | 2013-05-24 23:02:29 -0700 |
commit | 2ef912674415c59c9479965373f816f13fbdb332 (patch) | |
tree | 8f2a8c65af8fccdbcb40a0e39957439cfbb5949a /doc_src/faq.hdr | |
parent | 1d2cd99e961ad350c85e785192388410c230eb8a (diff) |
FAQ: address local variable/env usage
Diffstat (limited to 'doc_src/faq.hdr')
-rw-r--r-- | doc_src/faq.hdr | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/doc_src/faq.hdr b/doc_src/faq.hdr index 0da40b49..449c10f4 100644 --- a/doc_src/faq.hdr +++ b/doc_src/faq.hdr @@ -6,6 +6,7 @@ - <a href='#faq-cmd-history'>How do I run a command from history?</a> - <a href='#faq-subcommand'>How do I run a subcommand? The backtick doesn't work!</a> - <a href='#faq-exit-status'>How do I get the exit status of a command?</a> +- <a href='#faq-single-env'>How do I set an environment variable for just one command?</a> - <a href='#faq-customize-colors'>How do I customize my syntax highlighting colors?</a> - <a href='#faq-update-manpage-completions'>How do I update man page completions?</a> - <a href='#faq-cwd-symlink'>Why does cd, pwd and other fish commands always resolve symlinked directories to their canonical path?</a> @@ -77,6 +78,23 @@ other shells. <hr> +\section faq-single-env How do I set an environment variable for just one command? + +<i><tt>SOME_VAR=1 command</tt> produces an error: <tt>Unknown command "SOME_VAR=1"</tt>.</i> + +Use the \c env command. + +<tt>env SOME_VAR=1 command</tt> + +You can also declare a local variable in a block: + +<pre>begin + set -lx SOME_VAR 1 + command +end</pre> + +<hr> + \section faq-customize-colors How do I customize my syntax highlighting colors? Use the web configuration tool, |