Login or Register to Ask a Question and Join Our Community


UNIX for Dummies Questions & Answers

check for the first character to be blank

 
Thread Tools Search this Thread
Top Forums UNIX for Dummies Questions & Answers check for the first character to be blank
# 8  
Old 10-22-2003
Quote:
Originally posted by anthreedhr
Thanks oombera and optimus... Smilie both of the solutions each of you gave worked like a charm. I tried sometime similar to the end of the line as well.. with some mixed success.

Thanks again for your assistance.... and if you have any suggestions on how to get rid of the space at the end of the line, let me know. Harold
s/ *$//
 
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

To check Blank Lines, Blank Records and Junk Characters in a File

Hi All Need Help I have a file with the below format (ABC.TXT) : ®¿¿ABCDHEJJSJJ|XCBJSKK01|M|7348974982790 HDFLJDKJSKJ|KJALKSD02|M|7378439274898 KJHSAJKHHJJ|LJDSAJKK03|F|9898982039999 (cont......) I need to write a script where it will check for : blank lines (between rows,before... (6 Replies)
Discussion started by: chatwithsaurav
6 Replies

2. Shell Programming and Scripting

Remove blank space and insert special character

Hi Folks, I have a huge data of the below format abc #apple 1200 06/23 ghj #orange 1500 06/27 uyt #banana 2300 05/13 efg #vegetable 0700 04/16 After first 3 letters, i have 9 spaces and after fruit there are no specific fixed space, but it varies... (4 Replies)
Discussion started by: jayadanabalan
4 Replies

3. UNIX for Dummies Questions & Answers

Replace character by blank

Hi all, I have 89 columns,1200 rows in a flat file, some of the values are just '.' (the character dot). I want to replace them by nothing (blank), but when I do so, it affects the decimal numbers too. so 12.34 becomes 1234. How can I just replace values which are only '.' with 1 white... (13 Replies)
Discussion started by: newbie83
13 Replies

4. UNIX for Advanced & Expert Users

check for users blank passwords

Hello, I have an AIX 5.3 system. I want to check users to see whether there are users with blank passwords but i would prefer to do that without checking /etc/passwd or /etc/security/passwd files. Also while i was searching the web for a solution i noticed that many people refer to /etc/shadow... (2 Replies)
Discussion started by: omonoiatis9
2 Replies

5. Shell Programming and Scripting

how to replace a character with blank in a file

hi, I have a doubt in replacing characters with blank. My requirement is that, i have one file and looks like below 4:ALTER SYSTEM DISCONNECT SESSION '193,191' IMMEDIATE; 6:ALTER SYSTEM DISCONNECT SESSION '205,7274' IMMEDIATE; 5:ALTER SYSTEM DISCONNECT SESSION '206,34158' IMMEDIATE;... (4 Replies)
Discussion started by: sridhusha
4 Replies

6. Shell Programming and Scripting

check if return value is blank

Hi, i am trying to get the no of users using nofActUsers=$(echo /usr/sbin/lsof -l | grep "/mast/data/users" ) it will return blank, if the user does nto have permissions to run the script. Now I need to check if the valueis blank i have route to another script else the user has to... (1 Reply)
Discussion started by: Satyak
1 Replies

7. Shell Programming and Scripting

how to check the variable values is blank

HI , I have to check the values of variable is blank or not. exm : ###test test1 var=`cate filename | head -1 | cut -c1-3` I need to check the first three character of 1st line . if it is blank .then exit or we need to process . Thanks in advance . (2 Replies)
Discussion started by: julirani
2 Replies

8. AIX

check for a particular character inside a file and substitute with a given character?

i am a newbie to shell script,so i want a kshell script in which i need to check for a particular character inside a file through conditional looping(like if ,case,while)and if that character exists ,then substitute a given character to that character. consider a file test.txt,inside the file... (1 Reply)
Discussion started by: karthikprasathk
1 Replies

9. AIX

How can i replace a character with blank space?

i want a command for my script!!! say file consists of character 123 125 127. i need a query to replace the number 2 with 0 so the output should be 103 105 107. i use unix-aix (8 Replies)
Discussion started by: rollthecoin
8 Replies

10. Shell Programming and Scripting

awk: How to check if field is blank?

In awk, I'd like to check if a field is blank. And by blank I mean, the field could be "" or " " In other words, the field could either be empty, or be filled with spaces. Would the regex look like this? $5 ~ // { Action }? What other ways are there? Hmm.. in any case I think... (7 Replies)
Discussion started by: yongho
7 Replies
Login or Register to Ask a Question

LEARN ABOUT MINIX

iswblank

ISWBLANK(3)						     Linux Programmer's Manual						       ISWBLANK(3)

NAME

       iswblank - test for whitespace wide character

SYNOPSIS

       #include <wctype.h>

       int iswblank(wint_t wc);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       iswblank():
	      _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L

DESCRIPTION

       The  iswblank() function is the wide-character equivalent of the isblank(3) function.  It tests whether wc is a wide character belonging to
       the wide-character class "blank".

       The wide-character class "blank" is a subclass of the wide-character class "space".

       Being a subclass of the wide-character class "space", the wide-character class "blank" is disjoint from the  wide-character  class  "graph"
       and therefore also disjoint from its subclasses "alnum", "alpha", "upper", "lower", "digit", "xdigit", "punct".

       The wide-character class "blank" always contains at least the space character and the control character '	'.

RETURN VALUE

       The  iswblank()	function  returns  nonzero if wc is a wide character belonging to the wide-character class "blank".  Otherwise, it returns
       zero.

ATTRIBUTES

       For an explanation of the terms used in this section, see attributes(7).

       +-----------+---------------+----------------+
       |Interface  | Attribute	   | Value	    |
       +-----------+---------------+----------------+
       |iswblank() | Thread safety | MT-Safe locale |
       +-----------+---------------+----------------+
CONFORMING TO

       POSIX.1-2001, POSIX.1-2008.

NOTES

       The behavior of iswblank() depends on the LC_CTYPE category of the current locale.

SEE ALSO

       isblank(3), iswctype(3)

COLOPHON

       This page is part of release 4.15 of the Linux man-pages project.  A description of the project, information about reporting bugs, and  the
       latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.

GNU
								    2016-03-15							       ISWBLANK(3)