Hi,
I want to search for a return code of -3. Using grep "-3" *.* is giving a syntax error. Please suggest as to how can we search for this pattern using grep.
Thanks,
Krishna (2 Replies)
Hi, does anyone know how to ignore whether a number is negative in a script. E.g. if I have a variable that contains -1200, how do I ignore the minus sign? (1 Reply)
Hi All,
Just faced an interesting thing in HP-UX. I was dividing 2955334616 / 2 by using echo `expr 2955334616 / 2` , and this ofcourse which expects 1477667308 to be returned. But I am getting -669816340 and I am :wall: how exactly this is possible. It is not one of the compliments (Ones or... (4 Replies)
How to change value in column 5 to negative based on value in column 2 ?
Example: For all records with A in column 2 change value in column 5 to negative.
file
Code:
1234~A~b~c~10~e~f~g~h~09/10/09
1234~A~b~c~75~e~f~g~h~11/12/10
1234~A~b~c~40~e~f~g~h~12/06/10
5678~B~b~c~2~e~f~g~h~01/11/11... (4 Replies)
Hello all,
I'm new to the forums and hope to be able to contribute something useful in the future; however I must admit that what has prompted me to join is the fact that currently I need help with something that has me at the end of my tether.
I have a PDB (Protein Data Bank) file which I... (13 Replies)
Hello, I am trying to write a bash script which will give me the most negative number. Here is an example input:
Ce 3.7729752124 -4.9505731588 -4.1061257680
Ce -6.9156611391 -0.5991784762 7.3051893138
Ce 7.6489739875 0.3513020731 ... (6 Replies)
I am using a small script to divide some numbers in a given file and display the output in another file. I am getting the following error
basename: invalid option -- '5'
Try `basename --help' for more information.
(standard_in) 1: syntax error
The script is :
#!/bin/bash
for i in `cat... (4 Replies)
Hi All,
I am trying to compare two negative numbers using awk on linux.But it is giving me wrong result.Same code is working perfectly on solaris.
print ((0+new_price) < MIN_PRICE)
e.g If I try to compare -1.32(new_price) and -500(min_price) using "<" operator, output is 1 i.e true.
... (5 Replies)
Hi ALL,
I am having semi column separated file as below. I am having negative values for the records starting with 11095. How can I convert that positive number
I tried this below seems not working
sed 's/ \(*\)$/ -\1/;t;s/\(.*\)-/\1/ myfile
myfile... (6 Replies)
Discussion started by: arunkumar_mca
6 Replies
LEARN ABOUT NETBSD
isalnum
ISALNUM(3) BSD Library Functions Manual ISALNUM(3)NAME
isalnum -- alphanumeric character test
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <ctype.h>
int
isalnum(int c);
DESCRIPTION
The isalnum() function tests for any character for which isalpha(3) or isdigit(3) is true.
RETURN VALUES
The isalnum() function returns zero if the character tests false and returns non-zero if the character tests true.
SEE ALSO ctype(3), isalpha(3), isascii(3), isblank(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)STANDARDS
The isalnum() function conforms to ANSI X3.159-1989 (``ANSI C89'').
CAVEATS
The argument to isalnum() 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