Hi,
I want to print only lines in between two strings and not the strings using awk.
Eg:
OUTPUT
top 2
bottom 1
left 0
right 0
page 66
END
I want to print into a new file only
top 2
bottom 1
left 0... (4 Replies)
hi everyone,
1.txt
981 I field1 > field2.a: aa, ..si01To:<f:a@a.com>From: <f:a@a.com>;tag=DVNgfRZBZRMi96 <f:a@1:333>;ZZZZZ: 12345
the output
field1 field2 <f:a@a.com>
the output is cut the string 3rd and 5th field, and get the value betwee "To:" and "From:", please advice.
... (1 Reply)
Hi to everyone,
Please some help over here.
Hi have array a with 6 elements and array b with 3 elements as shown inside BEGIN{} statement.
I need help to get the correct sintax (the part in red) to compare if string from array b is in array a and print the number
related for each match.... (3 Replies)
Hi,
I have a file filled with search strings which have a blank in between and look like this:
S. g. Ehr.
o. Jg.
v. d. Chijs
g. Ehr.
Now i would like to search for the strings and it also shall return the next column after the match.
awk -v FILE="search_strings.txt" 'BEGIN {... (10 Replies)
Hello,
I can extract lines in a file, between two strings but only one time.
If there are multiple occurencies, my command show only one block.
Example, monfichier.txt contains :
debut_sect
texte L1
texte L2
texte L3
texte L4
fin_sect
donnees inutiles 1
donnees inutiles 2
... (8 Replies)
I have a file with many lines which contain strings like .. etc.
But with no rule regarding field separators or anything else.
I want to print ONLY THE STRING from each line , not the entire line !!!
For example from the lines :
Flow on service executed with success in . Performances... (5 Replies)
I have a list of countries and I'm trying to print the country names that start with "A" and end in "a".
I can do the first one which gives me the correct output.
awk '/^A/ {print $1}' countries.txt
but when I try:
awk '/^A a$/ {print $1}' countries.txt
or even:
awk... (2 Replies)
The below awk in bold will look for the ids in file1 in $2 of file2 and if they match print the line in file2. If an id is missing or not found in file2 (like BMPR2 in line4 of file1) I can not figure out how to add it to them to the lines in the output as missing in $3 following the same format.... (4 Replies)
I have two files and desire to use the strings from $1 of file 1 (file1.txt) as search criteria to find matches in $2 of file 2 (file2.txt). If matches are found I want to output the entire line of file 2 (file2.txt) followed by fields $2-$11 of file 1 (file1.txt). I can find the matches, I cannot... (7 Replies)
Discussion started by: jvoot
7 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)