JRFerguson

982 reputation

128

bio	website
	location	Florida
	age
visits	member for	8 months
	seen	14 hours ago
stats	profile views	19

A Perl enthusiast, I earn my living doing Unix/Linux system administration and light systems programming. In a former life I was an ALGOL systems programmer before finding my real love was for Unix. My education is scientific with a Master of Science degree.

	982 reputation	bio	website		visits	member for	8 months
128 badges		location	Florida		seen	14 hours ago

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Nov 16	answered	Zsh: dirs in reverse order
Nov 16	comment	Zsh: dirs in reverse order You would be better served showing some actual unsorted data.
Nov 12	answered	How to cat a file from awk?
Nov 10	answered	How to resize logical volume to fit filesystem
Nov 4	answered	Convert formatted dates to seconds since the epoch
Nov 3	answered	How to list all files in the size order
Nov 3	answered	Convert formatted dates to seconds since the epoch
Oct 25	answered	What is a generic way of finding out whether the kernel has ext4 (or other) bugs?
Oct 18	revised	sed on OSX insert at a certain line Correct original post to use `-n` instead of `-p` and add explanation.
Oct 17	answered	sed on OSX insert at a certain line
Oct 15	awarded	Critic
Oct 6	comment	Deleting the starting 10 MB from a open file @KrzysztofAdamski Correct. IMO the critical part of the OP question was how to trim "...without affecting the logging process into that file".
Oct 6	comment	Deleting the starting 10 MB from a open file @rush That's correct, the space allocated to a file won't be returned to the free pool until the last process with the file open terminates. However, a simple experiment using my method will show that logging will continue, "...without affecting the logging process into that file". Contrast that with a direct edit of the file using `vi`, `sed`, etc. where the inode of the resulting file differs from the one in use by the process.
Oct 5	answered	Deleting the starting 10 MB from a open file
Oct 5	awarded	Enthusiast
Oct 4	revised	How to make executable of all files excluding a few file types? Add alternative solution.
Oct 4	comment	How to make executable of all files excluding a few file types? @KrzysztofAdamski Point well-taken; noted and post updated.
Oct 4	revised	How to make executable of all files excluding a few file types? added 6 characters in body
Oct 4	comment	How to make executable of all files excluding a few file types? @KrzysztofAdamski I enhanced my response to address other file extensions. Indeed, the issue is that one needs to cover all possibilities, but that is best examined for the specific data. I don't disagree with your comments.
Oct 4	revised	How to make executable of all files excluding a few file types? Address presence of other C extensions