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UNIX for Beginners Questions & Answers
String has * as the field delimiter and I need echo/awk to escape it, how?
Post 302989048 by RudiC on Friday 6th of January 2017 12:53:37 PM
01-06-2017
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
How can i set a variable field delimiter using awk??
I wanna do something like this ,but i canīt get the correct syntaxis :
VARI=TEST
echo "0121212TESTxvcshaashd"|awk 'FS="$VARI" {print $2}'
Thanks. (2 Replies)
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2. UNIX for Advanced & Expert Users
Hello,
I had posted earlier about printing fields using AWK, but now I have a slightly different problem. I have text files in the format:
1*2,3,4,5
and wish to print the first, third, and fifth fields, including the asterisk and commas. In other words, after filtering it should look... (1 Reply)
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Hello,
I need an awk script to receive a variable that's an decimal value such as 009 or 031 and then convert this value to an ascii character to use as the FS (field separator for the input file).
For example,
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4. Shell Programming and Scripting
Dear All,
1.txt (tab in between each value in a line)
a b c
a b c
a c d
you can see below, why with ~ i can output with tab, but = cannot?
# awk -F'\t' '$2 ~ /b/' 1
a b c
a b c
# awk -F'\t' '$2 = "b"' 1
a b c
a b c
a b d
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5. Shell Programming and Scripting
Hi All,
I wanted to find 200th field value in delimiter file using awk.?
awk '{print $200}' inputfile
I am getting error message :-
awk: The field 200 must be in the range 0 to 199.
The source line number is 1.
The error context is
{print >>> $200 <<< }
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Hello, I am using awk to match text in a tab separated field and am able to do so when matching the exact word. My problem is that I would like to match any sequence of text in the tab-separated field without having to match it all. Any help will be appreciated. Please see the code below.
awk... (3 Replies)
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7. Shell Programming and Scripting
hi,
just wanted to make a shortcut of this one
a="a b c"
b=`echo $a | awk '{print $2}'`
echo "the middle is $b"
why can't i do this:
a="a b c"
echo "the middle is ${`echo $a | awk '{print $2}'`}" <- bad substitution :wall:
thanks (6 Replies)
Discussion started by: h0ujun
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8. Shell Programming and Scripting
Hi Experts,
i need to change delimiter from tab to ","
sample test file
cat test
A0000368 A29938511 072569352 5 Any 2 for Ģ1.00 BUTCHERS|CAT FOOD|400G Sep 12 2012 12:00AM Jan 5 2014 11:59PM Sep 7 2012 12:00AM M 2.000 group 5
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----------------------
empname,date_of_join,dept,date_of_resignation
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I will start with an example of what I'm trying to do and then describe how I am approaching the issue.
File
PS028,005
Lexeme HRS # M #
PhraseType 1(1:1) 7(7)
PhraseLab 501 503
ClauseType ZYq0
PS028,005
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LEARN ABOUT V7
cut
CUT(1) User Commands CUT(1) NAME
cut - remove sections from each line of files SYNOPSIS
cut OPTION... [FILE]... DESCRIPTION
Print selected parts of lines from each FILE to standard output. With no FILE, or when FILE is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -b, --bytes=LIST select only these bytes -c, --characters=LIST select only these characters -d, --delimiter=DELIM use DELIM instead of TAB for field delimiter -f, --fields=LIST select only these fields; also print any line that contains no delimiter character, unless the -s option is specified -n (ignored) --complement complement the set of selected bytes, characters or fields -s, --only-delimited do not print lines not containing delimiters --output-delimiter=STRING use STRING as the output delimiter the default is to use the input delimiter -z, --zero-terminated line delimiter is NUL, not newline --help display this help and exit --version output version information and exit Use one, and only one of -b, -c or -f. Each LIST is made up of one range, or many ranges separated by commas. Selected input is written in the same order that it is read, and is written exactly once. Each range is one of: N N'th byte, character or field, counted from 1 N- from N'th byte, character or field, to end of line N-M from N'th to M'th (included) byte, character or field -M from first to M'th (included) byte, character or field AUTHOR
Written by David M. Ihnat, David MacKenzie, and Jim Meyering. REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report cut translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
Full documentation at: <http://www.gnu.org/software/coreutils/cut> or available locally via: info '(coreutils) cut invocation' GNU coreutils 8.28 January 2018 CUT(1)