Palindrome dates: Difference between revisions

Palindrome dates (view source)

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Replaced "UNIX shell" by "UNIX Shell" (to link the example to the existing category page)

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Revision as of 08:44, 16 July 2020 (view source) Poulteki (talk \| contribs) (→‎{{header\|UNIX shell}}) ← Older edit		Revision as of 10:38, 17 July 2020 (view source) Simonjsaunders (talk \| contribs) m (Replaced "UNIX shell" by "UNIX Shell" (to link the example to the existing category page)) Newer edit →
Line 1,610: </pre> =={{header\|UNIX ~~shell~~Shell}}== printf format, rev and date commands are the keys : <lang shell>is_palyndrom_date() { date -d "$1" 1>/dev/null 2>&1 && echo "$1" ; }