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Full Discussion: Sorting files by size in another directory
Homework and Emergencies Homework & Coursework Questions Sorting files by size in another directory Post 302900085 by TedFTW on Sunday 4th of May 2014 01:36:46 AM
Old 05-04-2014
Wrench Sorting files by size in another directory
1. The problem statement, all variables and given/known data:
I'm trying to use a directory path to enter a new directory and sort the files there. I'm using the language C with a system call in Unix to sort the files from smallest to largest.


2. Relevant commands, code, scripts, algorithms:
Code:
system("ls -al | sort -k5n >> tempfile.txt");

This command enters the sorted data into a temporary directory named tempfile.txt. Tempfile.txt is later deleted. But the command:
system("ls -al | sort -k5n"); sorts only the data in the current directory. I would like to be able to sort data in any directory entered into my program.



3. The attempts at a solution (include all code and scripts):
i've tried:
Code:
       sprintf(cmd, "cd %s", argv[PATH]);
       system(cmd);

to change directories before using the sort command. But this doesn't work. I do not know very much about the Unix language to create a command that changes directories and sorts the files it finds there.


4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):

University at Albany, Albany NY, United States, S.S. Ravi, CSI 402


Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).
Last edited by vbe; 05-04-2014 at 05:30 AM..
 

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LEARN ABOUT REDHAT

wrap-and-sort

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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