These web pages concern various kinds of operations on computer files.

• Perl modules to find the MIME type of a file (7 March 2017)
• Copy chmod permissions from one file to another (13 February 2017)
• Distinguish binary and text files in C (2 February 2017)
• A C program which gets information about itself (20 October 2016)
• Override the mime type of the Go HTTP file server (30 August 2016)
• Extract some of the files from a dump using restore (25 August 2016)
• Delete .xvpics directories safely (24 August 2016)
• Get the file number associated with a FILE pointer (14 August 2016)
• Example of reading a PNG file (23 June 2016)
• A file server with sorted directory listing in Go (1 February 2016)
• Search for files looking for a particular pattern (11 September 2015)
• C program to delete files which match a pattern (4 April 2015)
• Cgi and file server (13 August 2014)
• Read a tab-separated file into a map (26 July 2014)
• How to include data in a Perl distribution (8 February 2014)
• Find files which are newer than a certain date (14 May 2012)
• List the files in a Unix directory with C (18 August 2011)
• Recursively list directories in C (18 August 2011)
• Get the size of a file in C (13 August 2011)
• Read a whole file into memory in C (13 August 2011)
• Open a file in C (1 August 2011)
• The files in a Perl module (21 April 2011)
• Write a PNG file using C and libpng (27 December 2010)
• Detecting FILE * buffering (12 December 2010)
• Detecting whether a file is seekable (12 December 2010)
• What characters are illegal in a Unix filename? (9 November 2010)
• Get the full file name of the current executable on Unix (8 October 2010)