I want to make a file with the sum of the first 2 numbers after DP4 in one column and the sum of the last two numbers of DP4 (before ;MQ...) in another column. How can I do that simply with some unix commands?
Expected output (for the two example lines above):
Code:
1 3
0 4
Last edited by Scott; 12-10-2010 at 01:05 PM..
Reason: Please use code tags
Hi there,
I want some help on scripting regarding file processing.
I have a scenario in which I have 10 files. (file1.txt, file2.txt....) and they are in paricular format.
I want to read these files and append some text lines at the begining of each file and write this updated contents of... (2 Replies)
hello all,
i am having a variable with a value of 0000010000 and if i add the variable with some no:
suppose
i=0000010000
n=`expr $i + 1`
echo $n
the output i am reciving is 10001 .it deletes all the zeros
but i need result as 0000010001..
please help me...
thanks in... (3 Replies)
Friends,
I have a file with contents like:
interface Serial0/4/0/0/1/1/1/1:0
encapsulation mfr
multilink
group 101
Now I need to manipulate the file in such a way that to all the numbers less than 163, 63 gets added and to all numbers greater than 163, 63 gets deducted.(The numbers... (2 Replies)
I have a txt file with two columns
Freq Loss
10 30
20 40
30 10
40 50
50 60i have used the below code to get the minimum value out of this array in second cloumn.
awk 'NR==N{min=$N;max=$N}NR>N{if ($N>max){max=$N};if ($N<min){min=$N}}END {print... (3 Replies)
I have a file like this
product qty1 qty2 value
cola 50 25 1
pepsi 100 75 2
muffin 25 30 0.5
would like to do the following operations with one line command
1) disply the line having "Qty1" greater than or equal to 50
2) display the line Qty1 - Qty2 ... (2 Replies)
hi,
I want to do multiple arithmetic operations in a single line. I tried with the following line
total_size=`expr ($total_size + $file_size) / 1024`
this line is throwing me error.
Im working on korn shell. Can i know how to do multiple arithmetic operations in a single line (2 Replies)
Hi
I want to perform arithmetic operations on output of `wc -l`.
for example
user046@sshell ~ $ ls -l
total 0
where "total 0" will increase one line in wc -l
filecount=`ls -l | wc -l`
here $filecount will be 1 but is should be 0
how to get rid of it ? (1 Reply)
i am having a varialbe a , which is input to my file
i want to multiply this input with value .43, and assign it to variable b.
i tried it as below:
#!/bin/sh
a=$1
b=`expr $1\*0.43`
echo b=$b
error : expr: non-integer argument
Please tell me , how to do this.
Thanks (10 Replies)
Hi All,
I want to perform a mathematical operation on column. Can anyone please help?
Here is the sample of operation to be performed:
123 996 100
123 996 200
123 996 200 2015-09-21
123 996 100
123 996 200
123 996 100
What I want is to multiple all values of column # 3 by 100 and... (3 Replies)
Discussion started by: Zaib
3 Replies
LEARN ABOUT LINUX
erl_comment_scan
erl_comment_scan(3erl) Erlang Module Definition erl_comment_scan(3erl)NAME
erl_comment_scan - Functions for reading comment lines from Erlang source code.
DESCRIPTION
Functions for reading comment lines from Erlang source code.
DATA TYPES
comment() = {integer(), integer(), integer(), [string()]} :
EXPORTS
file(FileName::filename() (see module file)) -> [Comment]
Types Comment = {Line, Column, Indentation, Text}
Line = integer()
Column = integer()
Indentation = integer()
Text = [string()]
Extracts comments from an Erlang source code file. Returns a list of entries representing multi-line comments, listed in order of
increasing line-numbers. For each entry, Text is a list of strings representing the consecutive comment lines in top-down order; the
strings contain all characters following (but not including) the first comment-introducing % character on the line, up to (but not
including) the line-terminating newline.
Furthermore, Line is the line number and Column the left column of the comment (i.e., the column of the comment-introducing % char-
acter). Indent is the indentation (or padding), measured in character positions between the last non-whitespace character before the
comment (or the left margin), and the left column of the comment. Line and Column are always positive integers, and Indentation is a
nonnegative integer.
Evaluation exits with reason {read, Reason} if a read error occurred, where Reason is an atom corresponding to a Posix error code;
see the module file(3erl) for details.
join_lines(Lines::[CommentLine]) -> [Comment]
Types CommentLine = {Line, Column, Indent, string()}
Line = integer()
Column = integer()
Indent = integer()
Comment = {Line, Column, Indent, Text}
Text = [string()]
Joins individual comment lines into multi-line comments. The input is a list of entries representing individual comment lines, in
order of decreasing line-numbers ; see scan_lines/1 for details. The result is a list of entries representing multi-line comments,
still listed in order of decreasing line-numbers , but where for each entry, Text is a list of consecutive comment lines in order of
increasing line-numbers (i.e., top-down).
See also: scan_lines/1 .
scan_lines(Text::string()) -> [CommentLine]
Types CommentLine = {Line, Column, Indent, Text}
Line = integer()
Column = integer()
Indent = integer()
Text = string()
Extracts individual comment lines from a source code string. Returns a list of comment lines found in the text, listed in order of
decreasing line-numbers, i.e., the last comment line in the input is first in the resulting list. Text is a single string, contain-
ing all characters following (but not including) the first comment-introducing % character on the line, up to (but not including)
the line-terminating newline. For details on Line , Column and Indent , see file/1 .
string(Text::string()) -> [Comment]
Types Comment = {Line, Column, Indentation, Text}
Line = integer()
Column = integer()
Indentation = integer()
Text = [string()]
Extracts comments from a string containing Erlang source code. Except for reading directly from a string, the behaviour is the same
as for file/1 .
See also: file/1 .
AUTHORS
Richard Carlsson <richardc@it.uu.se >
syntax_tools 1.6.7 erl_comment_scan(3erl)