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Re: alias command not effective
On Mon, Jan 17, 2011 at 14:04, Eric Blake wrote:
> On 01/17/2011 01:24 AM, Thomas Wiedmann wrote:
> > Hello,
> > After defining an alias, e. g.
> > Âalias laf='ls -la' | grep -v "^d"
> That defined an alias in the subshell used to form the pipeline.
> Aliases in child processes do not affect the parent process.
And, using my "paranormal powers", I'd say the command line the OP wants is:
alias laf='ls -la | grep -v "^d"'
(note the second quote char was moved to the end)
> > laf
> > bash:: laf: command not found
> Because the parent process still doesn't have an alias defined.
> > What may be the reason, that the use of an alias, defined, had not been
> > accepted?
> > What has to be done to resolve this problem?
> Don't pipe the output of alias into another command, thereby avoiding
> the subshell that would limit the alias to just the child shell.
He never wanted to pipe the alias command :)
The real answer is: Double-check the quoting rules, so that pipe char
doesn't get interpreted by bash.
> This is not cygwin-specific.
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