Stephane Chazelas

29,158 reputation

32164

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	location	European Union
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visits	member for	8 months
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	29,158 reputation	bio	website		visits	member for	8 months
32164 badges		location	European Union		seen	1 hour ago

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Apr 12	answered	Delete XML node containing certain element
Apr 11	revised	Regex awk to Cisco Interface added 49 characters in body
Apr 11	comment	Migrate an entire volume group LVM2 to RAID5 Alternative to `pvmove` is to convert every LV to mirrors, and then once everything is synchronised, disconnect the old drives or use `lvchange --splitmirrors` and then you'll have a backup of the VG on the old drives.
Apr 11	comment	Persistent blockdev setra read ahead setting @Banjer, yes, it looks like that's a Debian extension (slightly modified in Ubuntu): a shell script run upon early boot and device hot plug that parses that file and calls `hdparm` accordingly. I've updated the answer.
Apr 11	revised	Persistent blockdev setra read ahead setting deleted 15 characters in body
Apr 11	comment	Vim - how to increase each number in visual block? That doesn't apply `^A` on the visual selection, but at the start of every line marked by the selection (so for instance, if there were lines with numbers before the selected one, that would increase those and not the selected one)
Apr 11	revised	remove content of directory in elegant way added 69 characters in body
Apr 11	comment	remove content of directory in elegant way `-empty` is not POSIX. `-type f` is for regular files only. You would miss other types of files like symlinks, sockets, pipes, doors, devices... Use `! -type d` instead.
Apr 11	comment	remove content of directory in elegant way @TomWijsman, `[^.]` is not POSIX, `[!.]` is.
Apr 11	answered	remove content of directory in elegant way
Apr 11	revised	remove content of directory in elegant way missing quotes.
Apr 11	comment	remove content of directory in elegant way `-maxdepth` and `-not` are not posix. `!` is.
Apr 11	comment	remove content of directory in elegant way `-delete` is not POSIX.
Apr 11	revised	remove content of directory in elegant way missing --, note that `zsh` doesn't expand `.` and `..`
Apr 11	answered	Tracking which files are used by program
Apr 11	answered	Bash string comparison inside if
Apr 10	revised	Lots of text files into one big text file added 153 characters in body
Apr 10	comment	Lots of text files into one big text file @Patrick. No, that's the other way round. `+` is standard, and GNU `find` was one of the last ones to support it (in 2005).
Apr 10	revised	Lots of text files into one big text file added 101 characters in body
Apr 10	comment	Lots of text files into one big text file However not that that assumes none of the file names contain SPC, TAB, Newline, single quote, double quote or backslash characters.