Meta Information is the Information about Information. For Example if you consider a Document to be Information then its title,location and Subject are a part of Meta Information.
We Use Exiftool to read and write meta information in a variety of file types.
To Download Exiftool :
Using Exiftool for Windows and Mac For Reading Meta Information :
_original” to the file name. Be sure to keep a copy of the original, or thoroughly validate the new file before erasing the original.
=‘ symbol (or if the
-geotagoptions are used). The ‘
=‘ may be prefixed by ‘
-‘ or ‘
<‘ to add a value, remove a value or set a value from file. The following table outlines the different write syntaxes:
Syntax Result -TAG= Deletes all occurrences of TAG -all= Deletes all meta information! † -GROUP:TAG= Deletes TAG only in specified group -GROUP:all= Deletes all information in specified group -[GROUP:]TAG=VALUE Sets value of TAG (only in GROUP if specified) -[GROUP:]TAG+=VALUE Adds item to a list, shifts a date/time, or increments a number -[GROUP:]TAG-=VALUE Removes item from a list, shifts a date/time, or deletes TAG if it has the specified value -[GROUP:]TAG<=FILE Sets tag value from contents of specified file