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Thread: escaping n in strings




escaping n in strings
user name
2006-06-14 08:49:26
The pages we're generating have PHP in them on occasion
(yes, I know 
this 
is sick and wrong but no one else here knows perl and none
of them will go 
to the effort of learning it), and sometimes we need the php
to spit out 
'\n', but TT2 keeps eating the \n and printing a new
line.  I tried 
escaping the \n with \\n (and \\\n and \\\\n) but
that doesn't work.

The trouble I think is that the PHP fragment is a variable
in the template 
and, although the $'s and "'s are escaped and
behaving, the \n isn't, 
which doesn't make sense.

I assume no one has been sick enough to put PHP in their
source files 
before, so this hasn't been noticed?  Or am I just missing
something 
obvious?

Jess

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escaping \n in strings
user name
2006-06-14 11:55:58
Womble wrote:
> The pages we're generating have PHP in them on
occasion (yes, I know 
> this is sick and wrong but no one else here knows perl
and none of them 
> will go to the effort of learning it), and sometimes we
need the php to 
> spit out '\n', but TT2 keeps eating the \n and
printing a new line.  I 
> tried escaping the \n with \\n (and \\\n and
\\\\n) but that doesn't work.
> 
> The trouble I think is that the PHP fragment is a
variable in the 
> template and, although the $'s and "'s are
escaped and behaving, the \n 
> isn't, which doesn't make sense.
> 
> I assume no one has been sick enough to put PHP in
their source files 
> before, so this hasn't been noticed?  Or am I just
missing something 
> obvious?
> 
> Jess


Hmm that is interesting. I don't have time right now to
check into this further (or search the mail list archives),
but I just tested and found this to be true for double
quotes. Single quotes behave correctly, though, so you can
use them as a work around method.

Input:
-------------------
"\n": [% "\n" %]
"\\n": [% "\\n" %]
"\\\n": [% "\\\n" %]
'\n': [% '\n' %]
'\\n': [% '\\n' %]
-------------------


Output:
-------------------
"\n": 

"\\n": 

"\\\n": \

'\n': \n
'\\n': \n
-------------------

-- Josh

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