Shell tricks (was: [TxMt] Xetex)

[Todd Boland]

I have been using a shell of some sort for 8 years now and i had not
known that you could do that. how humbling.

On Apr 12, 2005 10:00 AM, Allan Odgaard <allan at macromates.com> wrote:
> On Apr 11, 2005, at 17:34, Alain Matthes wrote:
> 
> > echo $TM_FILEPATH | perl -e 'while(<>){s/\.tex$/.pdf/;print;}' | xargs
> 
> I generally avoid commenting on code unless I'm asked, but here's a few
> tips which I think will be useful in a lot of TM-related shell scripts,
> don't take it personal that this was triggered by your script! :)
> 
> The shell is capable of doing replacements in variables. There's a few
> different forms, for this one, one can do:
> ${variable%suffix_to_remove}, e.g.:
> 
>     ${TM_FILEPATH%.tex}.pdf
> 
> Another form is (for single replacement): ${variable/search/replace}
> and to replace all instances it's: ${variable//search/replace}.
> 
> Another neat thing is that we can set stdin for a command to a string
> using <<<, for example:
> 
>     perl <<<$TM_FILEPATH -pe 's/\.tex$/.pdf/' | xargs
> 
> Kind regards Allan
> 
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