How to Use Heredoc in Shell Scripting | Linux Today
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How to Use Heredoc in Shell Scripting

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Tecmint
Mar 9, 2021

Here document (Heredoc) is an input or file stream literal that is treated as a special block of code. This block of code will be passed to a command for processing. Heredoc originates in UNIX shells and can be found in popular Linux shells like sh, tcsh, ksh, bash, zsh, csh. Notably, other programming languages like Perl, Ruby, PHP also support heredoc.
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Tecmint

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