diff options
Diffstat (limited to 'Master/texmf-dist/doc/generic/FAQ-en/html/FAQ-compjobnam.html')
-rw-r--r-- | Master/texmf-dist/doc/generic/FAQ-en/html/FAQ-compjobnam.html | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/Master/texmf-dist/doc/generic/FAQ-en/html/FAQ-compjobnam.html b/Master/texmf-dist/doc/generic/FAQ-en/html/FAQ-compjobnam.html deleted file mode 100644 index 11b71fbcbae..00000000000 --- a/Master/texmf-dist/doc/generic/FAQ-en/html/FAQ-compjobnam.html +++ /dev/null @@ -1,40 +0,0 @@ -<head> -<title>UK TeX FAQ -- question label compjobnam</title> -</head><body> -<h3>Comparing the “job name”</h3> -<p/>The token <code>\</code><code>jobname</code> amusingly produces a sequence of characters -whose category code is 12 (‘other’), regardless of what the characters -actually are. Since one inevitably has to compare a macro with the -contents of another macro (using <code>\</code><code>ifx</code>, somewhere) one needs to -create a macro whose expansion looks the same as the expansion of -<code>\</code><code>jobname</code>. We find we can do this with <code>\</code><code>meaning</code>, if we strip -the “<code>\</code><code>show</code> command” prefix. -<p/>The full command looks like: -<blockquote> -<pre> -\def\StripPrefix#1>{} -\def\jobis#1{FF\fi - \def\predicate{#1}% - \edef\predicate{\expandafter\StripPrefix\meaning\predicate}% - \edef\job{\jobname}% - \ifx\job\predicate -} -</pre> - -</blockquote><p> -And it’s used as: -<blockquote> -<pre> -\if\jobis{mainfile}% - \message{YES}% -\else - \message{NO}% -\fi -</pre> -</blockquote><p> -Note that the command <code>\</code><code>StripPrefix</code> need not be defined if you’re -using LaTeX — there’s already an -<a href="FAQ-atsigns.html">internal command</a> <code>\</code><code>strip@prefix</code> that you can -use. -<p/><p>This question on the Web: <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=compjobnam">http://www.tex.ac.uk/cgi-bin/texfaq2html?label=compjobnam</a> -</body> |