redirection.tex

\hrule
\vspace{1mm}
\addcontentsline{toc}{subsection}{redirection}
\headerline{\large pipe%
    \index{redirection}%
    \index{pipe|see{redirection}}%
    \index{\textbar|see{redirection}}%
    \index{\textgreater|see{redirection}}%
    \index{\textgreater\textgreater|see{redirection}}%
    }%
    {\emph{ways to redirect output from stdout}}{}
\hrule
\vspace{4mm}

\paragraph{Description}
\indentpar \raggedright \textrm{Used following a command to pass the command's output into another command or write it to a file.}\\

\paragraph{Redirection characters}
\indentpar \argumentline{\textbar}{feed output to another command}
\indentpar \argumentline{\textgreater}{write output to file (overwrites if file exists)}
\indentpar \argumentline{\textgreater\textgreater}{write output to end of file (appends if file exists)}

\paragraph{Examples}
\indentpar ls *.txt | grep string\\
\indentpar \optionline{}{searches for string inside all .txt files}\\
\indentpar echo "Some text." > file.txt
\indentpar \optionline{}{creates/overwrites file.txt and writes "Some text."}\\
\indentpar echo "Some text." >> file.txt
\indentpar \optionline{}{creates/opens file.txt; adds "Some text." to the end}\\

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