Small Perl scripts:

(The following scripts have only been tested in Unix machines)

General text manipulation scripts:

• Count words.
• Count words, take into account case.
• Print an input file in reverse order.
• Rename input file names.
• Substitute a pattern in a file.
• Elliminate those nasty ^M from the end of lines.
• From a given file (argv[0]) print every n lines (argv[1]).
• Replace a pattern from files down a directory, recursively.
• Print a file with the line numbers on the left.
• Print pattern match (argv[0]) found in file (argv[1]).

Multicolumn and number manipulation scripts:

• A simple command-line calculator.
• Do statistics on file numerical contents: column analysis.
• From a file with 4 columns, block-average columns 2 and 4.
• From a multicolumn file (argv[0]), print only columns n (argv[1]) and m (argv[2]).
• Interpolate (first) and average (second) a series of x,y data files over a given x-axis file.

Unix scripts:

• A 'frontend' to the "find" command.
• List files by size.
• Sort password file entries by user name.
• Disable users from a password file.
• Print only active users from a password file.
• Check mailboxes and print those that are bigger than 500k.
• Send an lpr job after confirmation.
• List owners of the .Xauthority in chronological order.

C file manipulation scripts:

• Print out .h file dependencies.

TeX scripts:

• Print in TeX format subroutine headers from a file in C.
• From a .dvi file, do postscript files for each page separately.
• From the first error output of a TeX compilation, gather the order of the citations.
• From the citation list output, extract the corresponding BibTeX reference.

AIX diskette scripts:

• Delete all files from an IBM (running AIX) diskette.
• Copy all files from an IBM (running AIX) diskette.