You've all pointed out why it doesn't work but not answered the implied question:
How to create the ascii numeric value for characters? Or more likely an array of numbers base 10 from a string. I don't know how to do this, and I don't have time to try to find out.
In C, this is valid and makes sense:
He is asking an analagous question.
Hi All,
I have a file that I need to be able to find a pattern match on a line, take the number on that line check if its >0.9 or <0.1 and if this is true write the line to output.out file.
An example of 4 lines in my file is:
1. driver.I177.I11.net010 1.48622200477273e-05
2.... (2 Replies)
Hi, i have a simple control like this:
if(sum>1.0)...
If i try to print sum i get 1.000000 but the check returns true. I think it depends on float precision. How can i modify the check?
thanks (1 Reply)
Hi,
I have the below logic. Here 'X' is a variable having some string.
if
then
echo "i dont need to go to ofc"
else
echo "i need to go to ofc"
Please help me to write it in unix.
Thanks. (2 Replies)
Hi ,
I'm trying to compare fields in the file, I want compare the numbers in each column and get the least value of it.
> cat input_file
0.0000 0.0000 0.0000 0.0000
0.0000 0.0000 0.0000 0.0000
-0.2050 -0.6629 -0.6407 -0.6599
-0.4085 -0.3959 -0.2526 -0.3597
0.3439 0.2275 0.2780 ... (5 Replies)
hi,
I have an data from file where it has
20110904 234516 <<hdd-10#console|0c.57,passed,5,28,READ,0,20822392,8,5,4,0,40,0,-1,0,29909,25000,835,3.3,0,0,0,0,implied,0,0,2011/9/5-2:3:17,2011/9/5-2:3:47,X292_0F15,TAP ,NQ09,J40LTG\r\r\n
I want to remove characters till #console| i.e want... (1 Reply)
continuing from my previous post, whose link is given below as a reference
https://www.unix.com/shell-programming-scripting/171076-shell-scripting.html#post302573569
consider there is create table commands in a file for eg:
CREATE TABLE `Blahblahblah` (
`id` int(11) NOT NULL... (2 Replies)
attempting the hangman program. This was an optional assignment from the professor. I have completed the logical coding, debugging now.
##I have an array $wordString that initializes to a string of dashes
##reflecting the number of letters in $theWord
##every time the user enters a (valid)... (5 Replies)
I have the logic below to look up for matches within the columns between the two files with awk.
In the if statement is where the string comparison is attempted with ==
The issue seems to be with the operands, as
1. when " '${SECTOR}' " -- double quote followed by single quote -- awk matches... (1 Reply)
I have the following code snippet in bash
if ]; then
minm=`echo "$diff" | bc`
fi
It works well for most of the cases. However lets say diff is -0.17 and minm is -0.0017. In such a case the comparison seems to fail. Is the correct way to compare a mixture of positive and... (12 Replies)
Hi,
I have been trying to extract rows that match pattern "cov" with the value next to it to be > 3. The 'cov' pattern may appear either in $3 or $4 (if using ";" as field separator). Below is the example:-
input file
... (7 Replies)
Discussion started by: bunny_merah19
7 Replies
LEARN ABOUT ULTRIX
re_comp
regex(3) Library Functions Manual regex(3)Name
re_comp, re_exec - regular expression handler
Syntax
char *re_comp(s)
char *s;
re_exec(s)
char *s;
Description
The subroutine compiles a string into an internal form suitable for pattern matching. The subroutine checks the argument string against
the last string passed to
The subroutine returns 0 if the string s was compiled successfully; otherwise a string containing an error message is returned. If is
passed 0 or a null string, it returns without changing the currently compiled regular expression.
The subroutine returns 1 if the string s matches the last compiled regular expression, 0 if the string s failed to match the last compiled
regular expression, and -1 if the compiled regular expression was invalid (indicating an internal error).
The strings passed to both and may have trailing or embedded newline characters; they are terminated by nulls. The regular expressions
recognized are described in the manual entry for given the above difference.
Diagnostics
The subroutine returns -1 for an internal error.
The subroutine returns one of the following strings if an error occurs:
No previous regular expression
Regular expression too long
unmatched (
missing ]
too many () pairs
unmatched )
See Alsoed(1), ex(1), egrep(1), fgrep(1), grep(1)regex(3)