[TriLUG] Perl substitution problem

[William Sutton via TriLUG]

also... while strict isn't required to use my/our, it's certainly best to 
use it anyway.

William Sutton

On Fri, 16 Jun 2017, William Sutton via TriLUG wrote:

> so, if you
>
> my $string2 = 'this "should"*,* work';
> $string2 =~ s/"/\\"/g;
> print "$string2\n";
>
>
> (notice the quotes in the print statement), then you get:
>
> this \"should\"*,* work
>
> which is what you wanted.
>
> William Sutton
>
> On Fri, 16 Jun 2017, William Sutton via TriLUG wrote:
>
>> use strict not required for my/our.  he did something else when he pasted 
>> his code.
>>
>> Also, HTH does
>>
>> print $string1 \n;
>>
>>
>> work in Perl?  It needs to be
>>
>> print "$string1 \n";
>>
>> otherwise, I'm looking at your question
>>
>> William Sutton (Perl expert)
>>
>> On Fri, 16 Jun 2017, Brian via TriLUG wrote:
>>
>>> You need a
>>>
>>> use strict;
>>>
>>> for "my" to work, which Wes omitted probably for the sake of brevity.
>>>
>>> -B
>>>
>>>
>>> On 06/16/2017 01:07 PM, karl flores via TriLUG wrote:
>>>> Error: Parse error on line 1:
>>>> my $string2 = 'this
>>>> ^
>>>> Expecting 'STRING', 'NUMBER', 'NULL', 'TRUE', 'FALSE', '{', '[', got 
>>> 'undefined'
>>>>
>>>>
>>>> On Fri, Jun 16, 2017 at 12:57 PM, Wes Garrison via TriLUG 
>>> <trilug at trilug.org
>>>>> wrote:
>>>>
>>>>> My Google-fu is not good enough to solve this simple problem.
>>>>>
>>>>> I am building some simple JSON structures by hand in Perl, and I need to
>>>>> escape double-quotes.
>>>>>
>>>>> my $string1 = 'this "should" work';
>>>>> $string1 =~ s/"/\\"/g;
>>>>> print $string1 \n;
>>>>> this \"should\" work
>>>>>
>>>>> ^ Yay!  it substituted correctly for both double-quotes!
>>>>>
>>>>> my $string2 = 'this "should"*,* work';
>>>>> $string2 =~ s/"/\\"/g;
>>>>> print $string2 \n;
>>>>> this \"should" work
>>>>>
>>>>> ^ the comma after the second double-quote broke the substitution. (and 
> it
>>>>> breaks my JSON)
>>>>>
>>>>> Why?  What the heck am I missing?
>>>>>
>>>>> -Wes
>>>>> _________________________________
>>>>> Wesley S. Garrison
>>>>> Network Engineer
>>>>> Xitech Communications, Inc.
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>>>>> fax:       (919) 932-5051
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>>>>
>>>>
>>>>
>>>>
>>>
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