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Top Forums UNIX for Advanced & Expert Users Why is editing a file by renaming the new one safer? Post 303042578 by joeyg on Monday 30th of December 2019 09:43:33 AM
Old 12-30-2019
Seems illogical to me.

When working on complex programming, I often take the backup even more seriously. I sequentially number versions to help me go back and find prior logic.
cp GreatScript GreatScript.v001
then continue editing GreatScript, until I get to another good spot and
cp GreatScript GreatScript.v002
and continue with this process.
Eventually, I often create an Archive folder, and then mv GreatScript.v* ../Archive

Sometimes, it is only apparent much later on that there was a major mistake in coding - and a need to go back further than only one version. Plus, while developing, I always feel better knowing more than one backup copy.

Last edited by Peasant; 12-30-2019 at 11:11 AM.. Reason: Added some icode tags.
This User Gave Thanks to joeyg For This Post:
 

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MAILCAP.ORDER(5)					       Order Mailcap Entries						  MAILCAP.ORDER(5)

NAME
/etc/mailcap.order - the mailcap ordering specifications DESCRIPTION
The order of entries in the /etc/mailcap file can be altered by editing the /etc/mailcap.order file. Each line of that file specifies a package and an optional mime type. Mailcap entries that match will be placed in the order of this file. Entries that don't match will be placed later. Example mime-support:*/* gv:application/postscript netscape:text/html less:text/* emacs:text/* The above would make any entries provided by the mime-support package (as found in the /usr/lib/mime/packages directory) take priority over everything else. The gv package will be used over anything else when it comes to postscript documents. Netscape will be used for any html documents and less will be used for any remaining text documents. However, since neither netscape or less provide for editing documents, any edit or compose actions will fall through to the emacs rules. After modifying this file, be sure to run /usr/sbin/update-mime (as root) to propagate the changes into the /etc/mailcap file. Remember that this files takes package names and not executable names. If you want to define rules that reference specific programs, the best way is to include them in ~/.mailcap or the user section of the /etc/mailcap file. LIMITATIONS
There is currently no way to break out a certain type from a wildcard rule. If, for example, both xv and gimp were to specify "image/*" rules, it isn't possible to use xv for gif images but use gimp for jpeg images. Also, I would like to add the ability to specify certain actions in the rules. For example, if netscape were to have an edit rule but I wanted to use emacs for editing/creating html documents, I could place a line like emacs:text/* action=edit|compose before the netscape entry. The update-mime program would then spit out entries such that netscape view rule comes before the emacs view rule but have the netscape edit rule comes after the emacs edit rule. AUTHOR
The mailcap.order specification was written by Brian White <bcwhite@pobox.com> Debian Project 16th Aug 1998 MAILCAP.ORDER(5)
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