Commands tagged file (87)

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Automatically download Ubuntu 10.04 when available
Tested with 9.10 release. Choose whatever torrent client you prefer.

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" }

Counts number of lines
Counts number of lines of code in *.h and *.cc files

awk change field separator
GNU Awk 3.1.4

Startup a VPN connection through command line

Python extract json

Rips CDs (Playstation, etc.) and names the files the same as the volume name

Show IP Address in prompt --> PS1 var
when working with many machines in a computer lab need to know the IP addr is very large, this is a simplistic solution to make things easier

Extract raw URLs from a file
you can also use cut instead of awk. less powerful but probably faster. ;)

check open ports without netstat or lsof


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