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Full Discussion: cleaning log files
Top Forums UNIX for Dummies Questions & Answers cleaning log files Post 41620 by rocker40 on Thursday 9th of October 2003 04:32:37 PM
Old 10-09-2003
[QUOTE]Originally posted by thehoghunter
[B]You could do any of the following or a combination -

This one grabs the last 5000 lines and copies to tmp file - then you copy it back to the original - it removes everything in the original and replaces it with only those 5000 lines.
# tail -5000 rptlog1 > rptlog.tmp
# cat rptlog.tmp > rptlog1

Same type of thing but you search for "Oct" - the assumption is that you grabbed enough lines (only you can tell for sure) AND that this file has the date posted in it for each entry. This would leave you with just the entries for October in the file.
# tail - 10000 rptlog1|egrep "Oct" > rptlog.tmp
# cat rptlog.tmp > rptlog1

These work thank you for taking the time to explain that.
 

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GIT-MERGE-FILE(1)						    Git Manual							 GIT-MERGE-FILE(1)

NAME
git-merge-file - Run a three-way file merge SYNOPSIS
git merge-file [-L <current-name> [-L <base-name> [-L <other-name>]]] [--ours|--theirs|--union] [-p|--stdout] [-q|--quiet] [--marker-size=<n>] [--[no-]diff3] <current-file> <base-file> <other-file> DESCRIPTION
git merge-file incorporates all changes that lead from the <base-file> to <other-file> into <current-file>. The result ordinarily goes into <current-file>. git merge-file is useful for combining separate changes to an original. Suppose <base-file> is the original, and both <current-file> and <other-file> are modifications of <base-file>, then git merge-file combines both changes. A conflict occurs if both <current-file> and <other-file> have changes in a common segment of lines. If a conflict is found, git merge-file normally outputs a warning and brackets the conflict with lines containing <<<<<<< and >>>>>>> markers. A typical conflict will look like this: <<<<<<< A lines in file A ======= lines in file B >>>>>>> B If there are conflicts, the user should edit the result and delete one of the alternatives. When --ours, --theirs, or --union option is in effect, however, these conflicts are resolved favouring lines from <current-file>, lines from <other-file>, or lines from both respectively. The length of the conflict markers can be given with the --marker-size option. The exit value of this program is negative on error, and the number of conflicts otherwise. If the merge was clean, the exit value is 0. git merge-file is designed to be a minimal clone of RCS merge; that is, it implements all of RCS merge's functionality which is needed by git(1). OPTIONS
-L <label> This option may be given up to three times, and specifies labels to be used in place of the corresponding file names in conflict reports. That is, git merge-file -L x -L y -L z a b c generates output that looks like it came from files x, y and z instead of from files a, b and c. -p Send results to standard output instead of overwriting <current-file>. -q Quiet; do not warn about conflicts. --diff3 Show conflicts in "diff3" style. --ours, --theirs, --union Instead of leaving conflicts in the file, resolve conflicts favouring our (or their or both) side of the lines. EXAMPLES
git merge-file README.my README README.upstream combines the changes of README.my and README.upstream since README, tries to merge them and writes the result into README.my. git merge-file -L a -L b -L c tmp/a123 tmp/b234 tmp/c345 merges tmp/a123 and tmp/c345 with the base tmp/b234, but uses labels a and c instead of tmp/a123 and tmp/c345. GIT
Part of the git(1) suite Git 1.8.5.3 01/14/2014 GIT-MERGE-FILE(1)
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