05-02-2008
How to find a count of a word within a file
Hello,
I'm looking for a wait to count the number of occurrences of a certain string of characters within a file. The file that I trying to parce has segments within the file that have a header and footer to each segment and I'm trying to do a count of the header string and compare it to a count of the footer string to verify the integrity of the file.
Example file:
HEADER misc text and numeric values FOOTER HEADER more misc info FOOTER HEADER etc etc FOOTER
There are no carriage returns within the file, and it's about 50 to 60MB text file so the process needs to be somewhat efficient as a short processing timeframe is required.
I've done several searches and tried using wc, tr, and sort is a variety of different ways but I'm no closer to finding a solution. I'm a novice to the use of utilities like sed or awk, but ideas using them are welcome.
Other general info: I use ksh on AIX 5.3. Thanks for any help!
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LEARN ABOUT DEBIAN
svnnotify
SVNNOTIFY(1p) User Contributed Perl Documentation SVNNOTIFY(1p)
Name
svnnotify - Subversion activity notification
Usage
svnnotify --repos-path "$1" --revision "$2" [options]
Options
-p --repos-path PATH Path to the Subversion repository. Required.
-r --revision REVISION Commit revision number. Required.
-t --to ADDRESS The notification destination email address.
Required unless --to-regex-map.
-x --to-regex-map TO=REGEX A mapping between a destination email address
and a regular expression to match against the
directories affected by the commit. Required
unless --to or --to-email-map.
--to-email-map REGEX=TO The inverse of --to-regex-map: Map a regular
expresion to an email address. Required unless
--to or --to-regex-map.
-f --from ADDRESS Email address to use in the From header.
-D --user-domain DOMAIN Domain name to append to the username to
complete the email address in the From header.
-l --svnlook SVNLOOK Location of the svnlook executable.
-s --sendmail SENDMAIL Location of the sendmail executable.
-E --set-sender Set the envelope sender to the from address.
--smtp ADDRESS Address for an SMTP server.
--smtp-user USERNAME Username for authenticating to a SMTP server.
--smtp-pass PASSWORD Password for authenticating to a SMTP server.
--smtp-authtype AUTHTYPE Type of SMTP authentication.
-c --encoding ENCODING The character encoding for reading and writing
data.
--svn-encoding ENCODING The character encoding of the log message and
the repository files.
--diff-encoding ENCODING The character encoding of the repository files.
-g --language LANGUAGE Value for the Content-Language header and $LANG
environment variable.
-d --with-diff Include the diff in the message.
-a --attach-diff Attach the diff to the message.
-w --diff-switches SWITCHES Switches to pass to C<svnlook diff>.
-R --reply-to ADDRESS Address for use in the Reply-To header.
--add-header NAME=VALUE Add an extra header to the email.
-P --subject-prefix PREFIX String to prepend to the subject.
-C --subject-cx Include the context of the commit in the
subject.
-X --strip-cx-regex Regex to remove part of the CX file name from
the subject.
-O --no-first-line Do not include the first line of the log
message in the subject.
-i --max-sub-length LENGTH Maximum size of the subject line.
-e --max-diff-length LENGTH Maximum size of the diff output.
-H --handler HANDLER The notification handler, such as "HTML".
-F --filter FILTER An output filter, such as "Markdown".
-A --author-url URL Include link to specified author URL.
-U --revision-url URL Include links to specified Revision URL.
-T --rt-url URL Include links to specified Request Tracker URL.
-B --bugzilla-url URL Include links to specified Bugzilla URL.
-J --jira-url URL Include links to specified JIRA URL.
-G --gnats-url URL Include links to specified Gnats URL.
--ticket-map REGEX=URL Regex and URL for custom ticket identifiers.
--header HEADER Text header to display before body.
--footer FOOTER Text footer to display at end of body.
-V --verbose Incremental verbose mode.
-h --help Print this usage statement and exit.
-m --man Print the complete documentation and exit.
-v --version Print the version number and exit.
More options may be supported by the subclass of SVN::Notify specified by the "--handler" option or by filters specified by the "--filter"
option. Consult the documentation of the relevant modules for details.
See Also
See SVN::Notify for the complete documentation. If you're having issues with character encodings, see especially the Character Encoding
Support section.
Author
David E. Wheeler <david@kineticode.com>
Copyright and License
Copyright (c) 2004-2009 Kineticode, Inc. Some Rights Reserved.
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.10.1 2011-03-15 SVNNOTIFY(1p)