Commands using cut (586)
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This command lists all currently installed packages in ubuntu in a single line, for example to use later with apt install. Show Sample Output
0dpkg --get-selections | grep -v deinstall | sort -u | cut -f 1 | tr '\r\n' ' ' | sed '$s/ $/\n/' -
Use xargs command to make one line.
0dpkg --get-selections | grep -Evw 'deinstall$' | cut -f1 | sort -u | xargs -
Get newest kernel version by parsing the most bleeding-edge Makefile possible. Useful for doing things like writing live ebuilds and/or self-updating PKGBUILDs for testing purposes. Breakdown: * wget -qO - https://raw.githubusercontent.com/torvalds/linux/master/Makefile — retrieve Makefile and pipe to stdout * head -n5 — only the first 5 lines are relevant, that's where all the version variables are grep -E '\ \=\ [0-9]{1,}' — version variables always have an equals sign followed by a number * cut -d' ' -f3 — extract the individual numbers from the version variables * tr '\n' '.' — replace newlines with periods * sed -e "s/\.$// — remove trailing period Show Sample Output
0wget -qO - https://raw.githubusercontent.com/torvalds/linux/master/Makefile | head -n5 | grep -E '\ \=\ [0-9]{1,}' | cut -d' ' -f3 | tr '\n' '.' | sed -e "s/\.$//" -
only works for freeBSD where ports are installed in /usr/ports credit to http://wiki.freebsd.org/PortsTasks
-1cd /usr/ports; grep -F "`for o in \`pkg_info -qao\` ; \ do echo "|/usr/ports/${o}|" ; done`" `make -V INDEXFILE` | \ grep -i \|ports@freebsd.org\| | cut -f 2 -d \| -
-1expr $(fdisk -s ` grep ' / ' /etc/mtab |cut -d " " -f1`) / 1024
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another way to output the IP address' of the system
-1/sbin/ifconfig | grep inet | cut -f 2 -d ":" | cut -f 1 -d " " -
to clean up the extra lines Show Sample Output
-1/sbin/ifconfig | grep inet | cut -f 2 -d ":" | cut -f 1 -d " " |egrep -v "^$" -
-1html2text http://checkip.dyndns.org | grep -i 'Current IP Address:'|cut -c21-36
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Do this with caution.
-1for kern in $(grep "initrd " /boot/grub/grub.conf|grep -v ^#|cut -f 2- -d-|sed -e 's/\.img//g'); do mkinitrd -v -f /boot/initrd-$kern.img $kern; done -
Next time you see a mac fanboy bragging about 64-bitness of 10.6 give him this so he might sh? Show Sample Output
-1file /System/Library/Extensions/*.kext/Contents/MacOS/* |grep -i x86_64 |nl |tail -1 |cut -f1 -f3 && file /System/Library/Extensions/*.kext/Contents/MacOS/* |grep -v x86_64 |nl |tail -1 |cut -f1 -f3 -
Same thing just a different way to get there. You will need lynx
-1lynx --dump --source http://www.xkcd.com | grep `lynx --dump http://www.xkcd.com | egrep '(png|jpg)'` | grep title | cut -d = -f2,3 | cut -d '"' -f2,4 | sed -e 's/"/|/g' | awk -F"|" ' { system("display " $1);system("echo "$2); } ' -
same thing as the other
-1ipcalc $(ifconfig eth0 | grep "inet addr:" | cut -d':' -f2,4 | sed 's/.+Bcast:/\//g') | awk '/Network/ { print $2 } ' -
-1sed -e 's/{"url":/\n&/g' ~/.mozilla/firefox/*/sessionstore.js | cut -d\" -f4
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This is a dirty raw way to simply list ELF objects in a folder. The output is ready to be parsed i.e to the stripper or what else needs a path to an ELF object. Show Sample Output
-1file /usr/bin/* | grep ELF | cut -d":" -f1 -
-1wget -qO - "http://ajax.googleapis.com/ajax/services/language/translate?langpair=|zh-cn&v=1.0&q=`xsel`" |cut -d \" -f 6
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This is an easy way to quickly get a status for a device in multipath on SLES systems, as long as the server is configured based on Novell's standards, where multipathed disks are referred to by /dev/disk/by-... tree. Make sure to replace name_of_vg with your Volume Group name.
-1pvscan | awk '/name_of_vg/ {print $2}' | sed 's/[-|/|]/ /g' | cut -d " " -f7 -
This is helpful if you connect to several networks with different subnets such as 192 networks, 10 networks, etc. Cuts first three octets of ip from ifconfig command and runs nmap ping scan on that subnet. Replace wlan0 with your interface. Assumes class c network, if class b use: cut -d "." -f 1-2 and change nmap command accordingly.
-1dhclient wlan0 && sbnt=$(ifconfig wlan0 |grep "inet addr" |cut -d ":" -f 2 | cut -d "." -f 1-3) && nmap $sbnt.0/24 -sP -
-1grep -i '^DocumentRoot' /etc/httpd/conf/httpd.conf | cut -f2 -d'"'
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Get just the IP address for a given hostname. For best results, make this a function in your shell rc file so that it can be used for things like traceroute: Titus:~$ traceroute `getip foo.com` traceroute to 64.94.125.138 (64.94.125.138), 64 hops max, 52 byte packets Show Sample Output
-1host foo.com|grep " has address "|cut -d" " -f4 -
-1for lib in `readelf -d /usr/bin/abiword | grep NEEDED | cut -f2 -d[ | cut -f1 -d]`; do [ -e /usr/lib/$lib ] && j=/usr/lib/$lib || j=`locate -l 1 $lib`; readlink -f $j ; done
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Show the top file size in human readable form
-1find -type f | xargs -I{} du -s "{}" | sort -rn | head | cut -f2 | xargs -I{} du -sh "{}" -
less ressources (processes) needed Show Sample Output
-1grep -w /media/KINGSTON /proc/mounts | cut -d " " -f -
Renames files eliminating suffix, in this case everything after "-" is cutted. Just change "-" with the character you need. Show Sample Output
-1for i in *; do j=`echo $i | cut -d "-" -f1`; j=$j; mv $i $j; done -
I liked vaporub's suggestion, here a little simplification of the sed command.
-1MAC=$((date +'%Y%m%d%H%M%S%N'; cat /proc/interrupts) | md5sum | sed -r 's/(..)/\1:/g' | cut -d: -f 1-6) -
find all computer connected to my host through TCP connection Show Sample Output
-1netstat -nut | awk '$NF=="ESTABLISHED" {print $5}' | cut -d: -f1 | sort -u - ‹ First < 18 19 20 21 22 > Last ›
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