06-05-2008
do deletee blank line including the tabs and spaces
sed '/^[ <tab>]*$/d' file ,
This works pretty nicely..
<tab> - you have to press tab key there..
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Is it possible to combine a regular expression with a aritmetical expression? For example, taking a 8-numbers caracter sequece and casting each output of a grep, comparing to a constant.
THX! (2 Replies)
Discussion started by: Z0mby
2 Replies
2. Programming
What does the regular expression +~).*'] mean while using it with regexec.When the string "RCHNUSNT35C~rs07/ASM-RS07" is used with the regular expression +~).*'] regexec gives an error. I know what regexec does,but i do not understand what this expression means wrt to this string...
any help... (2 Replies)
Discussion started by: anupamar
2 Replies
3. Linux
Regular expression to extract "y" from "abc/x.y.z" (2 Replies)
Discussion started by: rag84dec
2 Replies
4. UNIX for Dummies Questions & Answers
I currently list and sort all the files in a directory which begin with an Upper Case C and end with the extension '#finished#'.
Here is the command I use:
ls -tr $currentDir/*.#finished#
what i need to do now is list all the files in a directory that begin with upper case C and end... (3 Replies)
Discussion started by: rkgudde
3 Replies
5. Shell Programming and Scripting
CA_RELEASE has a value of 6. I need to check if that this is a numeric value. if not error.
source $CA_VERSION_DATA
if * ]
then
echo "CA_RELESE $CA_RELEASE is invalid"
exit -1
fi
+ source /etc/ncgl/ca_version_data
++ CA_PRODUCT_ID=samxts
++ CA_RELEASE=6
++ CA_WEEK_NO=7
++... (3 Replies)
Discussion started by: ketkee1985
3 Replies
6. Programming
Hi all,
How am I read a file, find the match regular expression and overwrite to the same files.
open DESTINATION_FILE, "<tmptravl.dat" or die "tmptravl.dat";
open NEW_DESTINATION_FILE, ">new_tmptravl.dat" or die "new_tmptravl.dat";
while (<DESTINATION_FILE>)
{
# print... (1 Reply)
Discussion started by: jessy83
1 Replies
7. UNIX for Advanced & Expert Users
Hello All,
I'm trying to extract the lines between two consecutive elements of an array from a file.
My array looks like:
problem_arr=(PRS111 PRS213 PRS234)
j=0
while } ]
do
k=`expr $j + 1`
sed -n "/${problem_arr}/,/${problem_arr}/p" problemid.txt
---some operation goes... (11 Replies)
Discussion started by: InduInduIndu
11 Replies
8. UNIX for Dummies Questions & Answers
Hi,
I am quite knew to scripting and I am trying to get a regular expression to work to check that a user enters a valid version number such as 1 or 1.1 or 12.3 etc. I dont seem to be able to get it to work as it picks up versions such as 1.......2. I only want it to work with a single dot.... (12 Replies)
Discussion started by: frodo61
12 Replies
9. Shell Programming and Scripting
Can someone please explain me what does this mean?
^{1,50}$ (1 Reply)
Discussion started by: Anupam_Halder
1 Replies
10. Shell Programming and Scripting
I would like to extract "JDBC Thin Client" from (PROGRAM=JDBC Thin Client); and "C:\Python26\python.exe" from (PROGRAM=C:\Python26\python.exe); "txm_v_awsrf_db.pr" from (PROGRAM=txm_v_awsrf_db.pr).
if input line like "(PROGRAM=)", it return unknown.
Would you help suggest a regular... (4 Replies)
Discussion started by: cstsang
4 Replies
LEARN ABOUT HPUX
delete_directory
delete directory(1m) delete directory(1m)
NAME
delete directory - Deletes a directory
SYNOPSIS
cdscp delete directory directory-name
ARGUMENTS
The full name of the directory.
DESCRIPTION
The delete directory command deletes a directory. The directory cannot contain any object entries, soft links, or child pointers. The
master replica must be the only remaining replica in the cell. Use the delete replica command if you need to remove read-only replicas.
Privilege Required
You must have delete permission to the directory and write permission to the clearinghouse that stores the master replica of the directory.
The server principal needs administer permission to the parent directory or delete permission to the child pointer that points to the
directory you intend to delete.
NOTE
This command is replaced at Revision 1.1 by the dcecp command and may not be provided in future releases of DCE.
EXAMPLE
The following command deletes the directory /.:/eng from the namespace: cdscp> delete directory /.:/eng
RELATED INFORMATION
Commands: create directory(1m), delete replica(1m), list directory(1m), set directory(1m), set directory to skulk(1m), show directory(1m)
delete directory(1m)