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Top Forums Shell Programming and Scripting Need immediate help with sorting!!! Post 302221971 by joeyg on Tuesday 5th of August 2008 04:06:17 PM
Old 08-05-2008
Hammer & Screwdriver I will try to explain

Code:
> cat file1 | sed 's/\/\*/#\/\*/' | tr "\n" "~" | tr "#" "\n" | sort | tr -s "~" | tr "~" "\n"

display the file
change /* to #/* (to find later)
translate <new-line> to a ~
translate the # to a <new-line> (now, each record on one line only instead of 4)
sort
translate to get rid of (suppress) repetitive ~ characters
translate ~ to <new-line> (to put line back to four lines)

I often take multi-line inputs, and tr the <new-line> to ~ so I can treat multi-line records as one. Useful for sort and grep, for example. But, must place some kind of marker on the lines to assist in later putting the lines back to their original state.
 

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WRAP-AND-SORT(1)                                              General Commands Manual                                             WRAP-AND-SORT(1)

NAME
wrap-and-sort - wrap long lines and sort items in Debian packaging files SYNOPSIS
wrap-and-sort [options] DESCRIPTION
wrap-and-sort wraps the package lists in Debian control files. By default the lists will only split into multiple lines if the entries are longer than 80 characters. wrap-and-sort sorts the package lists in Debian control files and all .install files. Beside that wrap-and-sort removes trailing spaces in these files. This script should be run in the root of a Debian package tree. It searches for control, control.in, copyright, copyright.in, install, and *.install in the debian directory. OPTIONS
-h, --help Show this help message and exit. -a, --wrap-always Wrap all package lists in the Debian control file even if the entries are shorter than 80 characters and could fit in one line line. -s, --short-indent Only indent wrapped lines by one space (default is in-line with the field name). -b, --sort-binary-packages Sort binary package paragraphs by name. -k, --keep-first When sorting binary package paragraphs, leave the first one at the top. Unqualified debhelper(7) configuration files are applied to the first package. -n, --no-cleanup Do not remove trailing whitespaces. -d path, --debian-directory=path Location of the debian directory (default: ./debian). -f file, --file=file Wrap and sort only the specified file. You can specify this parameter multiple times. All supported files will be processed if no files are specified. -v, --verbose Print all files that are touched. AUTHORS
wrap-and-sort and this manpage have been written by Benjamin Drung <bdrung@debian.org>. Both are released under the ISC license. DEBIAN Debian Utilities WRAP-AND-SORT(1)
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