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Full Discussion: Control Characters
Top Forums Shell Programming and Scripting Control Characters Post 302925976 by wisecracker on Thursday 20th of November 2014 01:27:59 PM
Old 11-20-2014
Basic longhand example, OSX 10.7.5, default bash terminal.
This has its limitations but is simple and a starting point.
Code:
Last login: Thu Nov 20 18:22:55 on ttys000
AMIGA:barrywalker~> line="lkasdlkjalskdj@lkdfklksdflksj123$"
AMIGA:barrywalker~> line="${line:0:$((${#line}-1))}"
AMIGA:barrywalker~> echo "$line"
lkasdlkjalskdj@lkdfklksdflksj123
AMIGA:barrywalker~> _

 

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line(1)                                                            User Commands                                                           line(1)

NAME
line - read one line SYNOPSIS
line DESCRIPTION
The line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal. EXIT STATUS
Exit status is: 0 Successful completion >0 End-of-file on input. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
sh(1), read(2), attributes(5) SunOS 5.10 1 Feb 1995 line(1)
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