Difference between revisions of "Template:ExtractFirstPageNumber"
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(Created page with "<noinclude> Use this template to extract the first page number from a page-page string. For instance, if (e.g. "23-45"). E '''NOTE:''' As any "printing" template, it doesn'...") |
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<noinclude> | <noinclude> | ||
| − | Use this template to extract the first page number from a page-page string. For instance, if | + | Use this template to extract the first page number from a page-page string. For instance, if <code><nowiki>pages="23-45"</nowiki></code>, the template will return 23. If <code><nowiki>pages="234"</nowiki></code>, the template will return 234. If an empty string is passed as a value, an empty string is returned. |
'''NOTE:''' As any "printing" template, it doesn't store any values anywhere, but merely prints them on the page. | '''NOTE:''' As any "printing" template, it doesn't store any values anywhere, but merely prints them on the page. | ||
| Line 9: | Line 9: | ||
</noinclude><includeonly><!-- | </noinclude><includeonly><!-- | ||
-->{{#if: {{{pages|}}}|<!-- | -->{{#if: {{{pages|}}}|<!-- | ||
| − | -->{{#vardefine: varSepPos|{{#pos: {{{pages}}}|-}}|}}<!-- | + | -->{{#vardefine: varSepPos|{{#pos: {{{pages|}}}|-}}|}}<!-- |
| − | -->{{#if: {{#var: varSepPos}} | + | -->{{#if: {{#var: varSepPos}}<!-- |
| − | -->|<!-- separator is found: extract first page | + | -->|<!-- separator is found: extract first page if the separator is not the first character |
--><!-- | --><!-- | ||
| − | -->{{#vardefine: varFirstPage|<!-- | + | -->{{#ifeq: {{#var: varSepPos}}|0<!-- |
| − | -->{{#sub: {{{pages}}}|0|{{#var: varSepPos}}|}}|<!-- | + | -->|<!-- separator is the first character: return empty string |
| − | -->}}<!-- | + | --><!-- |
| + | -->{{#vardefine: varFirstPage|}}<!-- | ||
| + | --><!-- | ||
| + | -->|<!-- separator is not the first character: extract the string | ||
| + | --><!-- | ||
| + | -->{{#vardefine: varFirstPage|<!-- | ||
| + | -->{{#sub: {{{pages}}}|0|{{#var: varSepPos}}|}}|<!-- | ||
| + | -->}}<!-- vardefine | ||
| + | --><!-- | ||
| + | -->}}<!-- if separator is the first character | ||
--><!-- | --><!-- | ||
-->|<!-- separator is not found: take the whole value of page | -->|<!-- separator is not found: take the whole value of page | ||
Latest revision as of 05:27, 25 June 2017
Use this template to extract the first page number from a page-page string. For instance, if pages="23-45", the template will return 23. If pages="234", the template will return 234. If an empty string is passed as a value, an empty string is returned.
NOTE: As any "printing" template, it doesn't store any values anywhere, but merely prints them on the page.
Parameters:
|pages=- pages in the "xx-yy" format. E.g. "23-145", "1-34", "vi-ix", etc.
