Commands by twfcc

Commands by twfcc (18)

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Check remote hosts server
This is sample output - yours may be different.
0

curl -Is http://www.google.com | grep -E '^Server'

twfcc · 2011-08-09 11:25:47 3
unzip file on local machine copy to remote machine with ssh

It is an easy method unzip a file and copy it to remote machine. No unziped file on local hard drive Show Sample Output
This is sample output - yours may be different.
```
$ gzip -cd file.gz | ssh twfcc@myhost 'dd of=~/junk'
0+1 records in
0+1 records out
6 bytes transferred in 0.222 secs (27 bytes/sec)
$ 
```
-3

gzip -cd file.gz | ssh user@host 'dd of=~/file'

twfcc · 2010-09-20 11:44:19 4
get tor bridges
This is sample output - yours may be different.
0

lynx -dump 'https://bridges.torproject.org' | sed '/^bridge [0-9\.][0-9\.]*:[0-9][0-9]*/!d'

twfcc · 2010-07-01 01:04:45 34
get ^DJI
This is sample output - yours may be different.
-1

getdji (){local url sedcmd;url='http://finance.yahoo.com/q?d=t&s=^DJI';sedcmd='/(DJI:.*)/,/Day.*/!d;s/^ *//g;';sedcmd="$sedcmd/Change:/s/Down / -/;/Change:/s/Up / +/;";sedcmd="$sedcmd/Open:/s//& /";lynx -dump "$url" | sed "$sedcmd"; }

twfcc · 2009-10-26 09:00:18 5
password generator

make password randomly, default 8 chars, using bash3.X only, no external program.
This is sample output - yours may be different.
1

genpass(){local i x y z h;h=${1:-8};x=({a..z} {A..Z} {0..9});for ((i=0;i<$h;i++));do y=${x[$((RANDOM%${#x[@]}))]};z=$z$y;done;echo $z ;}

twfcc · 2009-10-24 04:32:31 13
password generator

make password randomly, default 8 char
This is sample output - yours may be different.
-1

genpass() { local h x y;h=${1:-8};x=( {a..z} {A..Z} {0..9} );y=$(echo ${x[@]} | tr ' ' '\n' | shuf -n$h | xargs);echo -e "${y// /}"; }

twfcc · 2009-10-24 04:05:42 4
command line calculator

simple function , floating point number is supported.
This is sample output - yours may be different.
12

calc(){ awk "BEGIN{ print $* }" ;}

twfcc · 2009-10-23 06:03:07 54
lotto generator
This is sample output - yours may be different.
7

echo $(shuf -i 1-49 | head -n6 | sort -n)

twfcc · 2009-10-22 06:48:20 4
geoip lookup
This is sample output - yours may be different.
4

geoip(){curl -s "http://www.geody.com/geoip.php?ip=${1}" | sed '/^IP:/!d;s/<[^>][^>]*>//g' ;}

twfcc · 2009-10-19 05:48:07 17
get the ascii number with bash builtin printf
This is sample output - yours may be different.
1

printf "%d\n" "'A" "'B"

twfcc · 2009-10-17 09:50:44 4
get Hong Kong weather infomation from HK Observatory

From Hong Kong Observatory wap site ;) Show Sample Output
This is sample output - yours may be different.
```
HK Observatory
At 10 AM
29'C,75%
UV Index: 4
```
-1

wget -q -O - 'http://wap.weather.gov.hk/' | sed -r 's/<[^>]+>//g;/^UV/q' | grep -v '^$'

twfcc · 2009-09-25 02:21:05 6
calulate established tcp connection of local machine
This is sample output - yours may be different.
1

netstat -an | grep -Ec '^tcp.+ESTABLISHED$'

twfcc · 2009-09-22 10:19:26 4
calulate established tcp connection of local machine

worked on ubuntu 9.04 and cygwin with MS netstat Show Sample Output
This is sample output - yours may be different.
```
Connected:       6
```
3

netstat -an | awk '$1 ~ /[Tt][Cc][Pp]/ && $NF ~ /ESTABLISHED/{i++}END{print "Connected:\t", i}'

twfcc · 2009-09-20 08:19:27 4
Capitalize the word with dd
This is sample output - yours may be different.
-1

echo capitalize | { dd bs=1 count=1 conv=ucase 2> /dev/null; cat ;}

twfcc · 2009-09-05 01:49:53 40
Terminal - Show directories in the PATH, one per line with sed and bash3.X `here string'

another method : awk '{gsub(/:/, "\n");print}' Show Sample Output
This is sample output - yours may be different.
```
/home/user/bin
/usr/local/sbin
/usr/local/bin
/usr/sbin
/usr/bin
/sbin
/bin
/usr/games
/opt/real/RealPlayer
```
1

sed 's/:/\n/g' <<<$PATH

twfcc · 2009-08-28 14:12:07 3
Emulate perl 'print "#" x 20, "\n"'
This is sample output - yours may be different.
0

printf '%*s\n' 20 | tr ' ' '#'

twfcc · 2009-08-15 22:38:01 3
formatting number with comma

it is not work with Cygwin's bash3.X. Test in Linux. use printf "%'f" number while it is floating point number Show Sample Output
This is sample output - yours may be different.
```
1,234,567
```
3

printf "%'d\n" 1234567

twfcc · 2009-08-15 14:48:56 5
make 100 directories with leading zero, 001...100, using bash3.X
This is sample output - yours may be different.
3

mkdir $(printf '%03d\n' {1..100})

twfcc · 2009-08-14 11:35:43 4

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check open ports without netstat or lsof

Hide or show Desktop Icons on MacOS

Hides all Files and Folders on the MacOS Desktop. To show files and folders, type "true" instead of "false". "Finder" at the end is case sensitive, "finder" doesn’t work

Press ctrl+r in a bash shell and type a few letters of a previous command

In the sample output, I pressed ctrl+r and typed the letters las. I can't imagine how much typing this has saved me.

Create a mirror of a local folder, on a remote server

Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

list files recursively by size

Automaticly cd into directory

Makes bash-4.x like zsh. Automatic cd into a directory if a command with that name doesnt exists. Ready for your ~/.bashrc file

Rename files in batch

Remove all HTML tags from a file

Download all MegaTokyo strips

A simple script for download all the MegaTokyo strips from the first to the last one

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