Re: [NTG-context] \jobname and \doifelse
On 11/6/22 11:21, Hans Hagen via ntg-context wrote:
> [...]
> More relevan tis that you'r on TeX where catcodes matter
> (here letter vs other)
>
>\doifelse{\inputfilebarename}{oeps}
> {yes}{no}
>
>\doifelse{\detokenize\expandafter{\jobname}}{\detokenize{oeps}}
> {yes}{no}
Many thanks for your explanation, Hans.
I think I have to start studying basic notions in TeX.
Many thanks for your help again,
Pablo
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Re: [NTG-context] \jobname and \doifelse
On 11/5/22 16:55, Wolfgang Schuster via ntg-context wrote:
> Pablo Rodriguez via ntg-context schrieb am 05.11.2022 um 16:30:
>>
>>\doifelse{\jobname}{a}
>> {yes}{no}
>>
>> I get "no" as in TeX and "yes" with Lua, being "a.tex" the source file.
>>
>> The TeX conditional used to work before.
>>
> Are you sure the check worked in the past?
Many thanks for your reply, Wolfgang.
I thought this used to work before.
Now I realize I have to check the use of \doif{\jobname} and
\doifelse{\jobname} in all my documents.
> The content of \jobname has catcode 12 while you "a" you check against
> has catcode 11, and even when \jobname result in "a" they are different
> because the catcodes differ.
I see now. Not that I fully understand what catcodes are, but
\doifsamestringelse should be what I have used here (as suggested in
https://wiki.contextgarden.net/System_Macros/Branches_and_Decisions#.5Cdoifsamestringelse.2C.5Cdoifsamestring.2C.5Cdoifnotsamestring).
Just a final question: \doif compares both strings and catcodes and
\doifsamestring compares only strings. Or am I missing something here too.
Many thanks for your help,
Pablo
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Re: [NTG-context] \jobname and \doifelse
On 11/5/2022 4:30 PM, Pablo Rodriguez via ntg-context wrote:
Dear list,
using current latest (2022.10.22 11:23), I have the following sample:
\starttext
\doifelse{\jobname}{a}
{yes}{no}
\jobname
\startluacode
if tex.jobname == "a" then
context("yes")
else
context("no")
end
\stopluacode
\stoptext
I get "no" as in TeX and "yes" with Lua, being "a.tex" the source file.
The TeX conditional used to work before.
Am I missing something or have I hit a bug?
I’m on Linux64 (if this may be relevant).
More relevan tis that you'r on TeX where catcodes matter
(here letter vs other)
\doifelse{\inputfilebarename}{oeps}
{yes}{no}
\doifelse{\detokenize\expandafter{\jobname}}{\detokenize{oeps}}
{yes}{no}
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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Re: [NTG-context] \jobname and \doifelse
Pablo Rodriguez via ntg-context schrieb am 05.11.2022 um 16:30:
Dear list,
using current latest (2022.10.22 11:23), I have the following sample:
\starttext
\doifelse{\jobname}{a}
{yes}{no}
\jobname
\startluacode
if tex.jobname == "a" then
context("yes")
else
context("no")
end
\stopluacode
\stoptext
I get "no" as in TeX and "yes" with Lua, being "a.tex" the source file.
The TeX conditional used to work before.
Am I missing something or have I hit a bug?
Are you sure the check worked in the past?
The content of \jobname has catcode 12 while you "a" you check against
has catcode 11, and even when \jobname result in "a" they are different
because the catcodes differ.
You can see the same result in the example below where the second check
compares two a with different catcodes (11 and 12) while the first check
has the same catcode (11) for both a's.
\starttext
\edef\A{a}
\edef\B{a}
\ifx\A\B
yes
\else
no
\fi
\begingroup
\catcode`a=12
\gdef\B{a}
\endgroup
\ifx\A\B
yes
\else
no
\fi
\stoptext
Wolfgang
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