Hello, I am trying to compare 2 files and get only the new lines as output. Note that new lines can be anywhere in the file and not necessarily at the bottom of the file.
I have made the following progress so far.
Expected output
How do I do a cut to get the string after '> ' or '\ ' ?
Is there any easier way than using sdiff, grep and cut?
I have to compare two text files, very few of the lines in these files will have some difference in some column.
The files size is in GB.
Sample lines are as below:
11111122222222333333aaaaaaaaaabbbbbbbbbccccccccdddddd
11111122222222333333aaaaaaaaaabbbbbbbbbccccccccddeddd
So assuming these... (19 Replies)
Hello all,
Can anyone help me with this.
There are two files and I have to match the second file records with that of first and if matched, print the output in two fies, one containing the matched records and other containing the rest.
Here is the example.
File1
"111",erter,"00000", ... (4 Replies)
hi
I have 2 files to comapre ,in file a sible column it is numbers,in file b2 numbers and other values with coma separated.
i want compare numbers in file a with file b,and the out put put should be in C with numbers in both file a and b along with other columns of file b.
i used folowing... (7 Replies)
I have two text files which have records of thousand rows. Each row is having around 40 columns. Each column is tab delimited. Each row is delimited by newline character.
My requirement is to find for each row i need to find whether any column is different between the two files. For each row i... (8 Replies)
Hi i have 2 csv files a.csv and b.csv with the same number of columns and a list of values in both of it. Each and every individual value in both the files need to compared and if it matches then print correct in a new csv file otherwise print Incorrect
eg
a.csv
1,12/27/2007,Reward,$10.00... (5 Replies)
now i have a different file zoo.txt with content
123|zoo
234|natan
456|don
and file rick.txt with contents
123|dog|pie|pep
123|tail|see|newt
456|som|sin|sim
234|pay|rat|cat
i want to look for lines in file zoo.txt column1 that has same corresponding lines in column 1 of... (6 Replies)
Hi all,
i have two .csv files. i need to compare those two files and if there is any difference that should be moved into third .csv file.
example,
org.csv and dup.csv
when we compare those two files org.csv and dup.csv. if there is any change in dup.csv. it should be capture in third... (7 Replies)
Dear All,
I would really appreciate if you can help me to resolve this file comparison
I have two files:
file1:
chr start end ID gene_name
chr1 2020 3030 1 test1
chr1 900 5000 2 test1
chr2 5000 8000 3 test2
chr3 6000 12000 4 test3
chr3 6000 15000 5 test3
file2:... (2 Replies)
HI,
I have two files and contains many Fields with | (pipe) delimitor, wanted to compare both the files and get only unmatched perticular fields. this i wanted to use in shell scriting.
ex:
first.txt
111 |abc| 230| hbc231 |bbb |210 |bbd405 |ghc |555 |cgv
second.txt
111 |abc |230 |hbc231... (1 Reply)
Discussion started by: prawinmca
1 Replies
LEARN ABOUT PLAN9
grep
GREP(1) General Commands Manual GREP(1)NAME
grep - search a file for a pattern
SYNOPSIS
grep [ option ... ] pattern [ file ... ]
DESCRIPTION
Grep searches the input files (standard input default) for lines (with newlines excluded) that match the pattern, a regular expression as
defined in regexp(6). Normally, each line matching the pattern is `selected', and each selected line is copied to the standard output.
The options are
-c Print only a count of matching lines.
-h Do not print file name tags (headers) with output lines.
-i Ignore alphabetic case distinctions. The implementation folds into lower case all letters in the pattern and input before interpre-
tation. Matched lines are printed in their original form.
-l (ell) Print the names of files with selected lines; don't print the lines.
-L Print the names of files with no selected lines; the converse of -l.
-n Mark each printed line with its line number counted in its file.
-s Produce no output, but return status.
-v Reverse: print lines that do not match the pattern.
Output lines are tagged by file name when there is more than one input file. (To force this tagging, include /dev/null as a file name
argument.)
Care should be taken when using the shell metacharacters $*[^|()= and newline in pattern; it is safest to enclose the entire expression in
single quotes '...'.
SOURCE
/sys/src/cmd/grep.c
SEE ALSO ed(1), awk(1), sed(1), sam(1), regexp(6)DIAGNOSTICS
Exit status is null if any lines are selected, or non-null when no lines are selected or an error occurs.
GREP(1)