Commands by gumnos

Commands by gumnos (3)

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Monitor memory fine-grained usage (e.g. firefox)

Sometimes top/htop don't give the fine-grained detail on memory usage you might need. Sum up the exact memory types you want
This is sample output - yours may be different.
2

watch "awk '/Rss/{sum += \$2; } END{print sum, \"kB\"}' < /proc/$(pidof firefox)/smaps"

gumnos · 2015-09-19 00:36:34 5
Sort lines on clipboard

Does the same thing in environments where you have "xclip" instead of "pbpaste"/"pbpate" and "pbcopy".
This is sample output - yours may be different.
1

xclip -o -selection clipboard | sort | xclip -i -selection clipboard

gumnos · 2014-07-07 19:04:02 0
Write a shell script that removes files that contain a string

Deletes files in the current directory or its subdirectories that match "regexp" but handle directories, newlines, spaces, and other funky characters better than the original #13315. Also uses grep's "-q" to be quiet and quit at the first match, making this much faster. No need for awk either.
This is sample output - yours may be different.
3

find -type f -exec grep -q "regexp" {} \; -delete

gumnos · 2014-04-06 19:06:50 1

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Tar files matching a certain wildcard

This is a shortcut to tar up all files matching a wildcard. Tar doesn't have the --include (apparently).

uniq without pre-sorting

Reads stdin, and outputs each line only once - without sorting ahead of time. This does use more memory than your system's sort utility.

Rotate a set of photos matching their EXIF data.

You need jhead package.

vim insert current filename

insert filename Normal mode: "%p Insert mode: %

find . -name

Find unused IPs on a given subnet

Retry the previous command until it exits successfully

Find the package that installed a command

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" }

list block devices

Shows all block devices in a tree with descruptions of what they are.

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