How do I substitute a word throughout a file? For example change all instances of the word John to Mark. This would be in vi for korn shell. (10 Replies)
I'd like to make a script that I can execute every time I sign on to my linux box that keeps track of the time and allows to me to add a remark to a file. So basically once I log in, I run the script, and it outputs the date and time to a text file (log.txt). But that isn't my problem.
I need... (1 Reply)
Hi
I'm trying to substitute word "January" with word "March" in my script but in certain lines only.
I have couple words containing pattern that I want to substitute e.g.
- log.January.1.array
- log_January_1_array_1
- log.January.1.array
- log_January_1_array_11
Trying to do cmd below... (9 Replies)
Dear Masters,
Need your help for this small query.
I am trying to get all the strings that starts with a blank space as output.
Limitation is , it should be done only through AWK.
Input will be:
aa
_1bbb
c-ccc
ddd
eeeee
ff
Output should be:
_1bbb
c-ccc
eeee
ff (5 Replies)
hi,
I have been trying to acheive the following task for a while now, but failed.. Need help, experts please help!
This is what I am trying to do:
- I am writing to a flat file the name of the source to be copied and the destination path as to where it is to be copied to.
Sample flat file:... (7 Replies)
I am trying to do what I thought should be a simple substitution, but I can't get it to work.
File:
Desire output:
I thought I'd start with a sed command to remove the part of the header line preceding the string "comp", then go on to remove the suffix of the target string (e.g. ":3-509(-)"),... (3 Replies)
Hello there,
first of all, don't hesitate to notify me if I misbehave. I'm a newbe in the use of this site, and in unix too (in english as well :-)
Well, if someone hat a little time to waste, could he explain to me this strange behavior.
I'm using ksh under AIX.
cdeset=$(su - db2inst1 -c... (8 Replies)
I'm looking at a config file with dollar signs. What do the dollar signs mean in front of a directory?
dir = ./demoCA # Where everything is kept
certs = $dir/certs # Where the issued certs are kept
crl_dir = $dir/crl # Where the issued crl are kept
new_certs_dir = $dir/newcerts # default... (1 Reply)
HI
I am trying to use the following code in the shell script (using grep)
usage()
{
echo "Usage: ./$0 <file name> <interval> <pattern>"
}
METRICS_FILE=$1
INTERVAL=$2
PATTERN="$3"
..
if
then
PATTERN="grep Gx"
fi
COUNT=`cat ${METRICS_FILE} | "${PATTERN}" |egrep... (8 Replies)
I am trying to get a dollar sign variable to be expanded in single quotes. Not sure what I am doing wrong. I have tried every way I can think of.
for i in `cat file1`
do
for j in `cat file2`
do
ssh $i 'systemctl is-enabled "${j}" ';
done
done... (4 Replies)
Discussion started by: cokedude
4 Replies
LEARN ABOUT NETBSD
isblank
ISBLANK(3) BSD Library Functions Manual ISBLANK(3)NAME
isblank -- blank-space character test
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <ctype.h>
int
isblank(int c);
DESCRIPTION
The isblank() function tests for the standard blank-space characters. The standard blank-space characters are the following:
' ' Space character.
Horizontal tab.
In the ``C'' locale, isblank() returns true only for the standard blank-space characters.
RETURN VALUES
The isblank() function returns zero if the character tests false and returns non-zero if the character tests true.
SEE ALSO ctype(3), isalnum(3), isalpha(3), isascii(3), iscntrl(3), isdigit(3), isgraph(3), islower(3), isprint(3), ispunct(3), isspace(3), isupper(3),
isxdigit(3), stdio(3), toascii(3), tolower(3), toupper(3), ascii(7)CAVEATS
The argument to isblank() must be EOF or representable as an unsigned char; otherwise, the behavior is undefined. See the CAVEATS section of
ctype(3) for more details.
BSD April 17, 2008 BSD