Showing posts with label bash commands. Show all posts
Showing posts with label bash commands. Show all posts

Tuesday, March 16, 2010

TR (bash)

Can use tr to remove all carriage returns and Ctrl-z ( ^Z ) characters from a Windows file by entering:

tr -d '\15\32' < winfile.txt > unixfile.txt

tr '\r' '\n' < web_to_print_compare-edited.csv > unixfile.csv


Note: cannot use tr to convert a document from Unix format to Windows

Thursday, March 11, 2010

sort and remove duplicates in file

sort and uniq will quickly and easily remove duplicates, lsit only the dupilcates or only the unique data.

sort myfile.txt | uniq

Tuesday, August 4, 2009

VIM (continue)

New Commands
% - match brackets {} [] ()
l - move letter
w - move word
e - end of word
$ - end of line
'. - jump to last modification like (SUPER)
`. - jump to exact spot in last modification line

Wednesday, April 22, 2009

BASH (PATH setup)

PATH=$PATH:/data/myscripts
export PATH

1. One User ($HOME/.bash_profile)
2. All users except root /etc/profile
3. root /root/.bash_profile

FOR JAVA:
$JAVA_HOME=/usr/java/jdk1.6.0_13 (java location)
$PATH=/usr/java/jdk1.6.0_13/bin (for javac and java)

Thursday, March 26, 2009

bash commands

C-a # Move to the beginning of line
C-e # Move to the end of line
C-l # Clear screen
C-k # Kill the text from the point to the end