07-14-2002
You may be familiar with using 'vi'...in which case you can open a file using vi...manipulate as required then save the changes and you have amended the file.
You can actually do this both from the command line or using 'vi' or another editor like ed. From the command line you will have to direct output to another file and then rename the file back....this code would do it for you...
sed -e 's/$/,/g' -e '$ s/,$//' your_file > new_file && mv new_file your_file
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LEARN ABOUT PHP
xdiff_file_diff
XDIFF_FILE_DIFF(3) 1 XDIFF_FILE_DIFF(3)
xdiff_file_diff - Make unified diff of two files
SYNOPSIS
bool xdiff_file_diff (string $old_file, string $new_file, string $dest, [int $context = 3], [bool $minimal = false])
DESCRIPTION
Makes an unified diff containing differences between $old_file and $new_file and stores it in $dest file. The resulting file is human-
readable. An optional $context parameter specifies how many lines of context should be added around each change. Setting $minimal parameter
to true will result in outputting the shortest patch file possible (can take a long time).
PARAMETERS
o $old_file
- Path to the first file. This file acts as "old" file.
o $new_file
- Path to the second file. This file acts as "new" file.
o $dest
- Path of the resulting patch file.
o $context
- Indicates how many lines of context you want to include in diff result.
o $minimal
- Set this parameter to TRUE if you want to minimalize size of the result (can take a long time).
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
xdiff_file_diff(3) example
The following code makes unified diff of two php files with context length of 2.
<?php
$old_version = 'my_script.php';
$new_version = 'my_new_script.php';
xdiff_file_diff($old_version, $new_version, 'my_script.diff', 2);
?>
NOTES
Note
This function doesn't work well with binary files. To make diff of binary files use xdiff_file_bdiff(3)/xdiff_file_rabdiff(3) func-
tion.
SEE ALSO
xdiff_file_patch(3).
PHP Documentation Group XDIFF_FILE_DIFF(3)