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Top Forums UNIX for Advanced & Expert Users Without the aid of the escape mechanism, how to put a raw string into a variable? Post 303045764 by MadeInGermany on Sunday 12th of April 2020 12:11:42 PM
Old 04-12-2020
I forgot that read by default omits leading space (add IFS=), and mistreats a backslash (add -r).
Should be
Code:
IFS= read -r STRING << "EOT"
...

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NDSELECT(1)							   User Commands						       NDSELECT(1)

NAME
ndselect - select lines and fields for numdiff DESCRIPTION
Usage: ndselect -h|--help|-v|--version or ndselect [-b N][-e N][-s N][-F N][-L N][-I N][-S IFS][-x][-l PATH][-o PATH] [FILE] Print to standard output a subset of lines and fields from a given file. The argument after the options is the name of the file to read from. The complete path of the file should be given, a directory name is not accepted. If no input file is specified, the program reads from the standard input. Exit status: 0 in case of normal termination, -1 (255) in case of error -b, --beginning, --start=N Set to N the number of the first line to print (The default behavior is to start with line number 1) -e, --end=N Set to N the number of the last line that can be printed (The default behavior is to arrive till to the end of the file) -s, --step=N Set to N the increment to use when selecting the lines to print (The default value for the increment is 1) -F, --first-field=N Set to N the number of the first field to print (The default behavior is to start with field number 1) -L, --last-field=N Set to N the number of the last field that can be printed (The default behavior is to arrive till to the end of every line) -I, --increment=N Set to N the increment to use when selecting the fields to print (The default value for the increment is 1) -S, --separator=IFS Specify the set of characters to use to split the input lines into fields (The default set of characters is space, tab and newline). -x, --omit-empty-lines Do not print empty lines -l, --warnings-to=PATH Redirect warning and error messages from stderr to the indicated file -o, --output=PATH Redirect output from stdout to the indicated file -h, --help Show this help message -v, --version Show version number, Copyright, Distribution Terms and NO-Warranty COPYRIGHT
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Ivano Primi <ivprimi@libero.it> License GPLv3+: GNU GPL version 3 or later, see <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
The full documentation for ndselect is maintained as a Texinfo manual. If the info and ndselect programs are properly installed at your site, the command info numdiff should give you access to the complete manual. ndselect 5.6.0 January 2012 NDSELECT(1)
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