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| Path | csiph.com!eternal-september.org!feeder.eternal-september.org!reader01.eternal-september.org!.POSTED!not-for-mail |
|---|---|
| From | Bit Twister <BitTwister@mouse-potato.com> |
| Newsgroups | comp.os.linux.misc |
| Subject | Re: tip for improving your shell skills |
| Date | Wed, 1 Apr 2020 23:04:31 -0500 |
| Organization | A noiseless patient Spider |
| Lines | 29 |
| Message-ID | <slrnr8ap2f.mlp.BitTwister@wb.home.test> (permalink) |
| References | <eli$2004011957@qaz.wtf> |
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| User-Agent | slrn/1.0.3 (Linux) |
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| Xref | csiph.com comp.os.linux.misc:29604 |
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On Thu, 2 Apr 2020 00:09:43 +0000 (UTC), Eli the Bearded wrote: > By running: > > echo "set -e" >> ~/.bash_profile > > You can put your shell (well, at next login) into an enhanced error > checking mode. This makes it much easier to detect when any program > you run has errors thus allowing you to learn from mistakes and avoid > making them again. It will also prevent you from accidentally using > undefined variables, so "rm -rf $HOM/bin" instead of "rm -rf $HOME/bin" > won't delete (or attempt to delete) /bin. > > The enhanced error checking has long been recommended for shell scripts, > but don't miss the opportunity to benefit from it on the command line, > too. > > Elijah > ------ > try also "set -C" for anti-clobber protection Sounds good in theory, but can blow up in your face in the real world resulting in your gui login to abort and return you to the gui log in screen. :( Anytime you modify any of the login files I can recommend clicking up a terminal and doing a "su -l your_id_here" to verify your modification does not cause problems.
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tip for improving your shell skills Eli the Bearded <*@eli.users.panix.com> - 2020-04-02 00:09 +0000
Re: tip for improving your shell skills Bit Twister <BitTwister@mouse-potato.com> - 2020-04-01 23:04 -0500
Re: tip for improving your shell skills "Chris F.A. Johnson" <cfajohnson@cfaj.ca> - 2020-04-01 23:40 -0400
Re: tip for improving your shell skills Eli the Bearded <*@eli.users.panix.com> - 2020-04-02 17:17 +0000
Re: tip for improving your shell skills Richard Kettlewell <invalid@invalid.invalid> - 2020-04-03 08:20 +0100
Re: tip for improving your shell skills "Chris F.A. Johnson" <cfajohnson@cfaj.ca> - 2020-04-06 18:08 -0400
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