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Re: How can I format an integer ?
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Re: How can I format an integer ?


  • Subject: Re: How can I format an integer ?
  • From: André Berg <email@hidden>
  • Date: Fri, 07 Nov 2008 12:03:43 +0100

Hi Skeeve,

Thank you very much for sharing this with us. As I haven't used
Perl much, I didn't know about the elegant solution to the
switched monetary and decimal separator problem you posted
with that Perl script.

I actually came to HERE strings (and HERE docs but those
didn't work so well) to get away from having to escape
double-quotes. For larger script this was driving me slowly
insane but that's just me ofc.

Because in Python you can also use single-quotes
to denote strings which means then you wouldn't have to escape
double-quotes any longer but this also means you can't use
"quoted form of". Of course the technique you are describing
works well too if you don't mind escaping double-quotes.

I use both depending on the size of the (Python) script. For smaller
scripts I use python -c and for larger scripts I use

set shellscript to "/usr/local/bin/python <<<\"

script here

\""
do shell script (shellscript)

Yes, you will still have to escape double-quotes but when using
strings with single quotes there's rarely a need to escape anything
at all. This of course only works with languages that can use single
quotes to delimit their strings.

Cheers

André


--- Original Nachricht --- Absender: Skeeve Datum: 07.11.2008 8:39 Uhr
André Berg schrieb:
I have also found that you can use normal Python syntax in HERE strings
once you figure out the backslash-salad that is.
You don't need to. Once I also found that for perl but soon learned that ther is a better way and I guess the same is true for python.

In shell you can type:

perl -e 'script here'

I guess in python it's

python -c 'script here'

The solution when you want to do that with AS is:

do shell script "python -c " & (quoted form of "script here")

With this you only have to take care of backslashing quotes and backslashes. I think that's an easy task. At least you don't have to take care for a proper "HERE" - end string, can use linebrakes and indents for formatting purposes and you get the advantage that the python/perl script still can read STDIN for processing (small example with too much code):

do shell script "echo " & myNumber " | perl -e " & (quoted form "
   use strict;
   use warnings;

   while (<>) {
       tr/,./.,/;
      print;
   }
")

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  • Follow-Ups:
    • Re: How can I format an integer ?
      • From: Skeeve <email@hidden>
References: 
 >Re: How can I format an integer ? (From: Barry Wainwright <email@hidden>)
 >Re: How can I format an integer ? (From: Philip Aker <email@hidden>)
 >Re: How can I format an integer ? (From: Andrea D'Amore <email@hidden>)
 >Re: How can I format an integer ? (From: André Berg <email@hidden>)
 >Re: How can I format an integer ? (From: Philip Aker <email@hidden>)
 >Re: How can I format an integer ? (From: André Berg <email@hidden>)
 >Re: How can I format an integer ? (From: Skeeve <email@hidden>)

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