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Shell Programming and Scripting
Counting files in a directory that match a pattern
Post 302080809 by dsravan on Thursday 20th of July 2006 04:15:13 PM
07-20-2006
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I am trying to write a script that will look for a file in a directory, then remove it. I need it to loop until it has removed a certain number of files. Is it better to do a repeat or to list each file in a pattern? Files will be numbered like RAF.01.*, RAF.02.*, etc. Thanks, James (6 Replies)
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Some simple questions from a simple man.
If i wanted to count the number of files contained within a directory, say /tmp would ls -l /tmp ¦ wc -l suffice and will it be accurate?
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.
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Hi all,
Need some help counting files... :)
I'm trying to count the number of files in a given directory (and subdirectories) which reportedly contains "thousands" of files.
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So I have a loop that stated if a directory exists or not. If it does it prints the number of files within that directory. I use this code...
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Im using the command below , but thats not the output that i want. it only prints the odd and even numbers.
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file1:
Text hi this is just a test
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LEARN ABOUT SUSE
png
PNG(5) File Formats Manual PNG(5) NAME
png - Portable Network Graphics (PNG) format DESCRIPTION
PNG (Portable Network Graphics) is an extensible file format for the lossless, portable, well-compressed storage of raster images. PNG pro- vides a patent-free replacement for GIF and can also replace many common uses of TIFF. Indexed-color, grayscale, and truecolor images are supported, plus an optional alpha channel. Sample depths range from 1 to 16 bits. PNG is designed to work well in online viewing applications, such as the World Wide Web, so it is fully streamable with a progressive dis- play option. PNG is robust, providing both full file integrity checking and fast, simple detection of common transmission errors. Also, PNG can store gamma and chromaticity data for improved color matching on heterogeneous platforms. SEE ALSO
libpng(3),zlib(3),deflate(5),andzlib(5) PNG specification (second edition), November 2003: <http://www.w3.org/TR/2003/REC-PNG-20031110/ PNG 1.2 specification, July 1999: http://www.libpng.org/pub/png PNG 1.0 specification, October 1996: RFC 2083 ftp://ds.internic.net/rfc/rfc2083.txt or (as a W3C Recommendation) at http://www.w3.org/TR/REC-png.html AUTHORS
This man page: Glenn Randers-Pehrson Portable Network Graphics (PNG) Specification (Second Edition) Information technology - Computer graphics and image processing - Portable Network Graphics (PNG): Functional specification. ISO/IEC 15948:2003 (E) (November 10, 2003): David Duce and others. Portable Network Graphics (PNG) Specification Version 1.2 (July 8, 1999): Glenn Randers-Pehrson and others (png-list). Portable Network Graphics (PNG) Specification Version 1.0 (October 1, 1996): Thomas Boutell and others (png-list). COPYRIGHT NOTICE
This man page is Copyright (c) 1998-2006 Glenn Randers-Pehrson. See png.h for conditions of use and distribution. The PNG Specification (Second Edition) is Copyright (c) 2003 W3C. (MIT, ERCIM, Keio), All Rights Reserved. The PNG-1.2 specification is copyright (c) 1999 Glenn Randers-Pehrson. See the specification for conditions of use and distribution. The PNG-1.0 specification is copyright (c) 1996 Massachusetts Institute of Technology. See the specification for conditions of use and distribution. June 26, 2010 PNG(5)