AWK syntax help Post: 302414690

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1. Shell Programming and Scripting

Help with Awk Syntax

I have written many awk commands which go in multiple lines. I have this confusion many times. Some time they work if i dont terminate them with "\" but some time error. Some time in "if" statements between if and else if i dont use ";" it gives error but sometimes it doesnt. The below...

2. Shell Programming and Scripting

awk syntax help

I don't get correct output when I run this command line: nmap -sP failedhost.com | grep -i failed | awk -F '{print $6}' I basically want it to return 'failedhost.com' but its just showing the output of the nmap scan.

3. Shell Programming and Scripting

AWK syntax

Hi I am trying to understand AWK syntax so I tried this command which gives me the home directory of root awk 'BEGIN { FS = ":"} {if ($1 == "root") print $6 }' /etc/passwd I would know what are the following commands doing. The first one prints all /etc/passwd, second prints nothing. ...

4. UNIX for Dummies Questions & Answers

awk syntax

Little bit confusing while using awk :confused::confused: In Sed while pattern search we can use "(double quotes) i mean $a=hello $cat file.txt |sed -n "/$a/p"this thing work fine But if i use it in awk it's not working How could i do the substitution of pattern by a variables and the...

5. AIX

Help with syntax using AWK

I have a file which is comma separated and has quotes. I can use this command and awk -F"," '{ if ($4=="01" print $0 }' test.txt But this doesn't fetch me the data.since it has quotes. If the data has no quotes,the above command works fine. In Unix you can skip quote \" but this doesn't work....

6. Shell Programming and Scripting

awk syntax

Hi I have a bash file which will split a big file to many small files. But I got a syntax error.H="$(head -1 CCC.tped)" awk 'print $0 > $1 ".tped"' CCC.tped for f in $(ls *.tped); do echo "$H\n" "$(cat $f)" >$f; done And -bash-4.1$ bash split awk: print $0 > $1".tped" awk: ^ syntax error...

7. Shell Programming and Scripting

AWK Function syntax

Hi, I would like to know what is the correct syntax to perform a function in awk. Although I have seen several examples, not get it to work, this is what I'm trying: #!/bin/bash awk function multi (number) { return number * 3 } print multi (4)Thanks

8. Shell Programming and Scripting

Syntax Problem with awk

Hello, I have perl script,which take some part of data in the file. the below command works fine in normal cmd prompt. `awk '/CDI/ && // && !/Result for/ {print $3 $5 > "final.txt"}' datalist.txt`; `nawk -F"" '{print $2}' finalcdi.txt`; But not working. Please use code tags, thanks.

9. Shell Programming and Scripting

Help with the awk syntax

Hello Experts: While writing a script to help one of the posts on here, I end up writing a wrong one. I am very much eager to know how this can be corrected. Aim was to not print specified columns - lets say out of 100 fields, need to print all but 5th, 10th, 15th columns. Someone already...

10. Shell Programming and Scripting

Awk: syntax error

awk -F, ' NR>1 { BEGIN{ chr=$2 } END{ for (k in chr) {print k} } } ' $gene_file I've a really simple code. I want to store gene name and it's chromosome and in the end print them. I'm skipping line one as it contains headers. But I don't know why I get error as:

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split

SPLIT(1)								FSF								  SPLIT(1)

NAME

       split - split a file into pieces

SYNOPSIS

       split [OPTION] [INPUT [PREFIX]]

DESCRIPTION

       Output  fixed-size  pieces  of  INPUT  to PREFIXaa, PREFIXab, ...; default PREFIX is `x'.  With no INPUT, or when INPUT is -, read standard
       input.

       Mandatory arguments to long options are mandatory for short options too.

       -a, --suffix-length=N
	      use suffixes of length N (default 2)

       -b, --bytes=SIZE
	      put SIZE bytes per output file

       -C, --line-bytes=SIZE
	      put at most SIZE bytes of lines per output file

       -l, --lines=NUMBER
	      put NUMBER lines per output file

       --verbose
	      print a diagnostic to standard error just before each output file is opened

       --help display this help and exit

       --version
	      output version information and exit

       SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.

AUTHOR

       Written by Torbjorn Granlund and Richard M. Stallman.

REPORTING BUGS

       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

SEE ALSO

       The  full  documentation  for split is maintained as a Texinfo manual.  If the info and split programs are properly installed at your site,
       the command

	      info split

       should give you access to the complete manual.

split (coreutils) 4.5.3 					   February 2003							  SPLIT(1)

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split