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Full Discussion: treating special chars
Top Forums Shell Programming and Scripting treating special chars Post 302120008 by jim mcnamara on Saturday 2nd of June 2007 12:52:07 PM
Old 06-02-2007
Code:
tr -dc '[:print:]'  < file > newfile

strips out any non-printable character in your current locale's charmap. newfile will have zero unprintable characters in it, in other words.

Is that what you want? See your man page for tr -- POSIX character classes may require double brackets -- e.g., '[[:print:]]' on your box

Last edited by reborg; 06-02-2007 at 02:14 PM..
 

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ELVFMT(1)							   User commands							 ELVFMT(1)

NAME
elvfmt - adjust line-length for paragraphs of text SYNOPSIS
elvfmt [-w width | -width] [-s] [-c] [-i chars] [-C] [-M] [file]... VERSION
This page describes the Elvis 2.2_0 version of elvfmt. See elvis(1). DESCRIPTION
elvfmt is a simple text formatter. It inserts or deletes newlines, as necessary, to make all lines in a paragraph be approximately the same width. It preserves indentation and word spacing. If you don't name any files on the command line, then elvfmt will read from stdin. It is typically used from within vi(1) or elvis(1) to adjust the line breaks in a single paragraph. To do this, move the cursor to the top of the paragraph, type "!}elvfmt", and hit <Return>. OPTIONS
-w width or -width Use a line width of width characters instead of the default of 72 characters. -s Don't join lines shorter than the line width to fill paragraphs. -c Try to be smarter about crown margins. Specifically, this tells elvfmt to expect the first line of each paragraph to have a differ- ent indentation than subsequent lines. If text from the first input line is wrapped onto the second output line, then elvfmt will scan ahead to figure out what indentation it should use for the second output line, instead of reusing the first line's indentation. -i chars Allow the indentation text to include any character from chars, in addition to spaces and tabs. You should quote the chars list to protect it from the shell. -C and -M These are shortcuts for combinations of other flags. is short for and is useful for reformatting C/C++ comments. is short for and is useful for reformatting email messages. SEE ALSO
vi(1), elvis(1) AUTHOR
Steve Kirkendall kirkenda@cs.pdx.edu ELVFMT(1)
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