Commands by Ellie69 (0)

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Get absolut path to your bash-script
Another way of doing it that's a bit clearer. I'm a fan of readable code.

backup and remove files with access time older than 5 days.
create an archive of files with access time older than 5 days, and remove original files.

Touch a file using a timestamp embedded in the file name.
tstouch takes two arguments: a filename containing a timestamp, and an extended regular expression with the parenthesized section matching a timestamp of the form YYYYMMDDhhmm or YYYYMMDDhhmm.ss. It then touches the file with that timestamp.

show installed but unused linux headers, image, or modules
will show: installed linux headers, image, or modules: /^ii/!d avoiding current kernel: /'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d only application names: s/^[^ ]* [^ ]* \([^ ]*\).*/\1/ avoiding stuff without a version number: /[0-9]/!d

Get OSX Battery percentage
adjusting the field "f1" will give you additional information such as f1 = 98% f2 = discharging f3 = 2:02 remaining

uniq for unsorted data

Multi-segment file downloading with lftp
This is for files only, for directories 'mirror' has to be used.

analyze traffic remotely over ssh w/ wireshark
When using tcpdump, specify -U option to prevent buffering.

List just the executable files (or directories) in current directory
A bit shorter ;)

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }


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