Difference between revisions of "XML"
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| Line 4: | Line 4: | ||
Comments cannot be nested. | Comments cannot be nested. | ||
| − | Regular | + | [[Perl]] [[Regular Expressions]] to check if we enter or leave a comment block |
<syntaxhighlight lang=perl> | <syntaxhighlight lang=perl> | ||
if ( ( $line =~ /-->/ ) && ( $incomment == 1 )) { | if ( ( $line =~ /-->/ ) && ( $incomment == 1 )) { | ||
| Line 19: | Line 19: | ||
} | } | ||
</syntaxhighlight> | </syntaxhighlight> | ||
| + | |||
| + | Python module and code examples [[Python:XML]]. | ||
;xmllint --noout <xmlfile> | ;xmllint --noout <xmlfile> | ||
:Test if <xmlfile> has valid xml and report errors. Without --noout the tree will be printed too. | :Test if <xmlfile> has valid xml and report errors. Without --noout the tree will be printed too. | ||
Latest revision as of 21:21, 7 September 2018
Generic remarks about XML.
Comments start with <!-- and end with -->.
Comments cannot be nested.
Perl Regular Expressions to check if we enter or leave a comment block
if ( ( $line =~ /-->/ ) && ( $incomment == 1 )) {
$incomment = 0;
$line =~ s/(<!--)?.*$&//;
}
if ( $incomment == 0 ) {
if ( $line =~ /<!--/ ) {
$incomment = 1;
$line =~ s/$&.*?(-->)//;
if ( $1 ) {
$incomment = 0;
}
}
Python module and code examples Python:XML.
- xmllint --noout <xmlfile>
- Test if <xmlfile> has valid xml and report errors. Without --noout the tree will be printed too.