Commands by zude

Commands by zude (5)

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Show current weather for any US city or zipcode

Scrape the National Weather Service Show Sample Output
This is sample output - yours may be different.
```
$ weather chicago, il
Chicago, IL -- Mostly Cloudy: 47 ?F
$ weather los angeles
Los Angeles, CA -- Fair: 83 ?F
$ weather 02456
New Town, MA -- Fair: 44 ?F
```
4

weather() { lynx -dump "http://mobile.weather.gov/port_zh.php?inputstring=$*" | sed 's/^ *//;/ror has occ/q;2h;/__/!{x;s/\n.*//;x;H;d};x;s/\n/ -- /;q';}

zude · 2009-10-17 23:47:47 0
Get decimal ascii code from character

printf treats first char after single ' as numeric equivalent
This is sample output - yours may be different.
1

ord() { printf "%d\n" "'$1"; }

zude · 2009-10-17 22:02:52 0
Function to output an ASCII character given its decimal equivalent
This is sample output - yours may be different.
2

chr() { printf \\$(printf %o $1); }

zude · 2009-10-16 19:10:44 0
Convert unix timestamp to date

The "-d" option for gnu's "date" command can calculate positive or negative offset from any time, including "now". You can even specify a source timezone (the output timezone can be set with the TZ environment variable). Useful! Fun! Not very well documented! Show Sample Output
This is sample output - yours may be different.
```
$ date -ud "1970-01-01 + 1234567890 seconds"
Fri Feb 13 23:31:30 UTC 2009

# and back again
$ date -ud "Fri Feb 13 23:31:30 2009" +%s
1234567890
```
6

date -ud "1970-01-01 + 1234567890 seconds"

zude · 2009-10-07 04:35:40 3
Print text string vertically, one character per line.
This is sample output - yours may be different.
3

echo "vertical text" | fold -1

zude · 2009-10-05 23:20:14 0

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Console clock

Shows a simple clock in the console -t param removes the watch header Ctrl-c to exit

Compression formats Benchmark

See: http://imgur.com/JgjK2.png for example. Do some serious benchmarking from the commandline. This will write to a file with the time it took to compress n bytes to the file (increasing by 1). Run: $ gnuplot -persist

Find files with at least one exec bit set

find and delete empty dirs, start in current working dir

Save a file you edited in vim without the needed permissions - (Open)solaris version with RBAC

Recursively compare two directories and output their differences on a readable format

List the libraries used by an application

For example, you need to make a copy of all the libraries that a certain application uses, with this command you can list and copy them.

Determine next available UID

better with accounts on ldap

List alive hosts in specific subnet

Works on any machine with nmap installed. Previous version does not work on machines without "seq". Also works on subnets of any size.

Transfer Entire recursive from one host to another. Only copies files that are newer or do not exist

From opposite host To copy remote to local rsync -aE -e "ssh -pPortnumber" [email protected]:directory target_dir

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Commands by zude (5)

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