2018-11-18 15:30:51 +00:00
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---
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layout: page
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author: Agostino Monti
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category-page: advanced
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category-title: Advanced commands
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tags: filie coluns analize
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title: paste
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2018-11-18 20:38:56 +00:00
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previous-page: pages/cmd/advanced/nl.html
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next-page: pages/cmd/advanced/pipes.html
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2018-11-18 15:30:51 +00:00
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---
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The <code>paste</code> command is used to join files horizontally
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(parallel merging) by outputting lines consisting of the sequentially corresponding
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lines of each file specified, separated by tabs, to the standard output.<br>
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Once involved, <code>paste</code> will read all its file arguments. For each corresponding line,
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paste will append the contents of each file at that line to its output along with a tab.
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When it has completed its operation for the last file, <code>paste</code> will output a newline
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character and move on to the next line.
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<pre>
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paste [flags] [file1] [file2] ...
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</pre>
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<h3>Flags</h3>
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<ul>
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<li><code>-d</code> delimiters, which specifies a list of delimiters to be used instead of tabs
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for separating consecutive values on a single line. Each delimiter is used in turn;
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when the list has been exhausted, paste begins again at the first delimiter.
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<pre>
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paste -d "|" file1.txt file2.txt
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paste -d "|," file1.txt file2.txt</pre>
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</li>
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<li><code>-s</code>, which causes paste to append the data in serial rather than in parallel;
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that is, in a horizontal rather than vertical fashion.
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</li>
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</ul>
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