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Top Forums Shell Programming and Scripting Compare two files and get only missing names Post 302865203 by Akshay Hegde on Thursday 17th of October 2013 11:55:25 PM
Old 10-18-2013
Quote:
Originally Posted by Selva_2507
I need to compare two files (oldfile1 & newfile). Need to ignore the values which are present in both files. At the same time, i need to get only records in new file.

Tried using Join -v1 -v2 oldfile1 newfile (suspect it has not worked as expected).

could anyone of you please help me here.

Show us your input and expected o/p. We will help you
 

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COPY(3) 								 1								   COPY(3)

copy - Copies file

SYNOPSIS
bool copy (string $source, string $dest, [resource $context]) DESCRIPTION
Makes a copy of the file $source to $dest. If you wish to move a file, use the rename(3) function. PARAMETERS
o $source - Path to the source file. o $dest - The destination path. If $dest is a URL, the copy operation may fail if the wrapper does not support overwriting of existing files. Warning If the destination file already exists, it will be overwritten. o $context - A valid context resource created with stream_context_create(3). RETURN VALUES
Returns TRUE on success or FALSE on failure. CHANGELOG
+--------+---------------------------------------------------+ |Version | | | | | | | Description | | | | +--------+---------------------------------------------------+ | 5.3.4 | | | | | | | Changed the $context parameter to actually have | | | an effect. Previously, any $context was ignored. | | | | | 5.3.0 | | | | | | | Added context support. | | | | | 4.3.0 | | | | | | | Both $source and $dest may now be URLs if the | | | "fopen wrappers" have been enabled. See fopen(3) | | | for more details. | | | | +--------+---------------------------------------------------+ EXAMPLES
Example #1 copy(3) example <?php $file = 'example.txt'; $newfile = 'example.txt.bak'; if (!copy($file, $newfile)) { echo "failed to copy $file... "; } ?> SEE ALSO
move_uploaded_file(3), rename(3), The section of the manual about handling file uploads. PHP Documentation Group COPY(3)
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