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I want to make an alias in eshell so that when I type gcc it actually does gcc -Wall -pedantic -std=c99 but when I make the alias, it just displays gcc -Wall -pedantic -std=c99 and doesn't actually compile the program. Any ideas?

  • Show what you have tried, to help others help you. – Drew Dec 12 '15 at 2:06
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In eshell aliases $* is replaced by the list of arguments passed after the aliased command. (You can also use $1 to get the first argument, $2 for the second, etc.)

So, try

alias gcc "gcc -Wall -pedantic -std=c99 \$*"

As far as I know this behavior is not documented in the manual. See the EmacsWiki Eshell Alias page and the comment at the top of em-alias.el, though.

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