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Heredoc vs Echo - What's the difference?

heredoc | echo |

As nouns the difference between heredoc and echo

is that heredoc is a here document while echo is echo (a reflected sound that is heard again by its initial observer).

heredoc

English

Noun

(en noun)
  • A here document.
  • * 2009 , Adam Trachtenberg, ?David Sklar, PHP Cookbook (page 16)
  • Interpolating with string concatenation in heredocs can look a little strange because the closing heredoc delimiter and the string concatenation operator have to be on separate lines

    echo

    English

    Alternative forms

    * (l) (obsolete) * (l) (obsolete)

    Noun

    (en-noun)
  • A reflected sound that is heard again by its initial observer.
  • * Shakespeare
  • The babbling echo mocks the hounds.
  • * Alexander Pope
  • The woods shall answer, and the echo ring.
  • *
  • * {{quote-magazine, year=2013, month=May-June, author= William E. Conner
  • , title= An Acoustic Arms Race , volume=101, issue=3, page=206-7, magazine=(American Scientist) , passage=Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them.}}
  • (figurative) Sympathetic recognition; response; answer.
  • * Fuller
  • Fame is the echo of actions, resounding them.
  • * Robert Louis Stevenson
  • Many kind, and sincere speeches found an echo in his heart.
  • (computing) The displaying on the command line of the command that has just been executed.
  • The letter E in the ICAO spelling alphabet.
  • Derived terms

    * echoacousia * echo boomer * echocardiogram, echocardiography * echogenic, echogenicity * echogram * echolalia * echo organ * echopathy * echophonocardiography, echophony * echoplex * echo-ranging * echo sounder * echo stop * echotexture * hypoechoic

    Verb

    (es)
  • (of a sound or sound waves) To reflect off of a surface and return.
  • (by extension) To repeat back precisely what another has just said: to copy in the imitation of a natural echo.
  • * (John Dryden)
  • Those peals are echoed by the Trojan throng.
  • * Keble
  • The wondrous sound / Is echoed on forever.
  • (by extension) To repeat (another's speech, opinion etc.).
  • * {{quote-magazine, year=2013, month=July-August, author= Sarah Glaz
  • , title= Ode to Prime Numbers , volume=101, issue=4, magazine=(American Scientist) , passage=Some poems, echoing the purpose of early poetic treatises on scientific principles, attempt to elucidate the mathematical concepts that underlie prime numbers. Others play with primes’ cultural associations. Still others derive their structure from mathematical patterns involving primes.}}

    Synonyms

    * See also