Commands by yepitsken (1)

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The Chronic: run a command every N seconds in the background
Chronic Bash function: $ chronic 3600 time # Print the time in your shell every hour $ chronic 60 updatedb > /dev/null # update slocate every minute Note: use 'jobs' to list background tasks and fg/bg to take control of them.

Print a row of 50 hyphens
Perl is installed by default on most modern OS when jot is not.

Alternative size (human readable) of files and directories (biggest last)
using mb it's still readable;) a symbol variation $ du -ms {,.[^.]}* | sort -nk1

Find the package that installed a command

chmod - change file permissions of a file to be similar of another

Convert images (jpg, png, ...) into a PDF
Converts images (maybe from scans) into a PDF

A simple X11 tea timer
wrapping the snippet in $( )& puts the whole thing in the background so you don't tie up your login session.

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" }

Creates Solaris alternate boot environment on another zpool.
PS: 'lustatus' gives the list of all alternate boot environments.

Check which files are opened by Firefox then sort by largest size.
Check which files are opened by Firefox then sort by largest size (in MB). You can see all files opened by just replacing grep to "/". Useful if you'd like to debug and check which extensions or files are taking too much memory resources in Firefox.


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