Help with the awk syntax Post: 302817819

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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. Shell Programming and Scripting

AWK syntax help

i have a ksh code that needs to be written in AWK. can someone please help me here? :( if }" | grep -c "$2") -gt 0 ] ; then print - "found $2 in array ignore" else print - "did not find $2 in array ignore" fi ignore=4ty56r ignore=er45ty . . . ignore=frhtg2

6. 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....

7. 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...

8. 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

9. 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.

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:

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

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

SEE ALSO

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

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)

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grub-render-label