Now, this might become lengthy and tedious. Some hints, maybe, c.f. man sed for further reference / explanation:
-r : switch sed to use EREs {...}: "bound"; repetition factor of preceding expression (...): "atom", also "parenthesized subexpression"; to be used by "back reference" [...]: "bracket expression" \| : escaped pipe, to be taken as a literal character, as opposed to the alternate operator | \1 : "back reference".
Match column 3 in file1 to column 1 in file 2 and replace with column 2 from file2
file 1 sample
SNDK 80004C101 AT
XLNX 983919101 BB
NETL 64118B100 BS
AMD 007903107 CC
KLAC 482480100 DC
TER 880770102 KATS
ATHR 04743P108 KATS... (7 Replies)
Hi All,
I have a file with data as below:
A,FILE1_MYFILE_20130309_1038,80,25.60
B,FILE1_MYFILE_20130309_1038,24290,18543.38
C,FILE1_dsc_dlk_MYFILE_20130309_1038,3,10.10
A,FILE2_MYFILE_20130310_1039,85,110.10
B,FILE2_MYFILE_20130310_1039,10,12.10... (10 Replies)
Hi all I have a need of searching some pattern in file by month and then count unique records
D11
G11
R11 -------> Pattern available in file
S11
Jan$1 to $5 column contains some records in which I want to find unique
for this purpose I have written script like below
awk '/Jan/ ||... (4 Replies)
Hi,
My input files is like this
axis1 0 1 10
axis2 0 1 5
axis1 1 2 -4
axis2 2 3 -3
axis1 3 4 5
axis2 3 4 -1
axis1 4 5 -6
axis2 4 5 1
Now, these are my following tasks
1. Print a first column for every two rows that has the same value followed by a string.
2. Match on the... (3 Replies)
Hi All,
I have a requirement where I need to find sum of values from column D through O present in a CSV file and check whether the sum of each Individual column matches with the value present for that corresponding column present in the trailer record.
For example, let's assume for column D... (9 Replies)
file:
1|12322|tow|
5|23422|pow|
6|23423|cow|
3|34324|how|
deletelines:
12322
23423
My command to delete line
while read NUM
do
awk -F"\|" '$2 !~ /`"$NUM"`/' file >file.back
mv file.back file
done<deletelines (3 Replies)
Hi all,
I have searched and searched, but I have not found a solution that quite fits what I am trying to do.
I have a long list of data in three columns. Below is a sample:
1,10,8
2,12,10
3,13,12
4,14,14
5,15,16
6,16,18
Please use code tags
What I need to do is as follows: If a... (4 Replies)
Discussion started by: bleedingturnip
4 Replies
LEARN ABOUT PLAN9
regexp
REGEXP(6) Games Manual REGEXP(6)NAME
regexp - regular expression notation
DESCRIPTION
A regular expression specifies a set of strings of characters. A member of this set of strings is said to be matched by the regular
expression. In many applications a delimiter character, commonly bounds a regular expression. In the following specification for regular
expressions the word `character' means any character (rune) but newline.
The syntax for a regular expression e0 is
e3: literal | charclass | '.' | '^' | '$' | '(' e0 ')'
e2: e3
| e2 REP
REP: '*' | '+' | '?'
e1: e2
| e1 e2
e0: e1
| e0 '|' e1
A literal is any non-metacharacter, or a metacharacter (one of .*+?[]()|^$), or the delimiter preceded by
A charclass is a nonempty string s bracketed [s] (or [^s]); it matches any character in (or not in) s. A negated character class never
matches newline. A substring a-b, with a and b in ascending order, stands for the inclusive range of characters between a and b. In s,
the metacharacters an initial and the regular expression delimiter must be preceded by a other metacharacters have no special meaning and
may appear unescaped.
A matches any character.
A matches the beginning of a line; matches the end of the line.
The REP operators match zero or more (*), one or more (+), zero or one (?), instances respectively of the preceding regular expression e2.
A concatenated regular expression, e1e2, matches a match to e1 followed by a match to e2.
An alternative regular expression, e0|e1, matches either a match to e0 or a match to e1.
A match to any part of a regular expression extends as far as possible without preventing a match to the remainder of the regular expres-
sion.
SEE ALSO awk(1), ed(1), sam(1), sed(1), regexp(2)REGEXP(6)