>> Append File

Writes stdin to disk - appending contents if file already exists

Description

This is used to redirect the stdout of a command and append it to a file. If that file does not exist, then the file is created.

This behaves similarly to the Bash (et al) token except it doesn’t support adding alternative file descriptor numbers. Instead you will need to use named pipes to achieve the same effect in Murex.

Examples

» out "Hello" >> example.txt
» out "World!" >> example.txt
» open example.txt
Hello
World!

Detail

This is just syntactic sugar for -> >>. Thus when the parser reads code like the following:

out "foobar" >> example.txt

it will compile an abstract syntax tree which would reflect the following code instead:

out "foobar" | >> example.txt

Truncating a file

To truncate a file (ie overwrite its contents) use |> instead.

Synonyms

See Also


This document was generated from gen/parser/pipes_doc.yaml.

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Last built on Wed Sep 18 21:18:57 UTC 2024 against commit c037883c03788357164e9846c84d9f777251495d9452a8e.

Current version is 6.3.4225 (develop) which has been verified against tests cases.