diff-hist - view revision history of file under version control
diff-hist file [file...]
For each file specified, the differences (in diff -u2 format) are shown between each successive version back to the first, in reverse chronological order.
VCS.
To install VCS, copy and paste the appropriate command in to your terminal.
cpanm
cpanm VCS
CPAN shell
perl -MCPAN -e shell install VCS
For more information on module installation, please visit the detailed CPAN module installation guide.