Big pattern file matching within another pattern file in awk or shell Post: 302960826

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Pattern matching for file

Hi All, I'm new to perl, My requirement is to check if particular file exists. e.g. filename.txt, filename1.txt, filename2.txt etc I tried the below code:- my $var1 = "filename.txt" if ( -e ($var1 = ~ /file\w/)) { print "File found \n"; } else { print "File not found \n"; } ...

2. Programming

File Pattern Matching C++

Hi, I have large files with fixed length fields or fields seperated by delimeter. I would like to do validation on some or all fields to check for numeric or date or characters etc.. I would like to write this in C++. Please let me know if any one have any ideas on this. Thanks for all...

3. UNIX for Dummies Questions & Answers

PERL pattern matching in a file

Hi Gurus, I have a file like below.. I have to match each with predefined pattern. If matches then have to write the entire record to a separate file. If not make the value as NULL and write the entire record into another file. | is the delimiter ravi123|2344|M R123Vi|2345|F...

4. Shell Programming and Scripting

Help with matching pattern inside a file

I have a huge file that has roughly 30304 lines. I need to extract specific info from that file. For example, Box 1 > *aaaaaaaajjjj* > hbbvjvj > jdnnfddllll > *dgdfhfekwjh* Box 2 > *aaaaaaa'aj'jjj* > dse hkjuejef bfdw > dyeee > dsewq > *dgdfhfekwjh* >feweiuei Box 3 > *aaaa"aaaaj"jjj* >...

5. Shell Programming and Scripting

Get matching string pattern from a file

Hi, file -> temp.txt cat temp.txt /home/pradeep/123/a_asp.html /home/pradeep/123/a_asp1.html /home/pradeep/435/a_asp2.html /home/pradeep/arun/abc/a_dfr.html /home/pradeep/arun/123/a_kir.html /home/pradeep/123/arun/a_dir.html .... .... .. i need to get a_*.html(bolded strings...

6. Shell Programming and Scripting

AWK match $1 $2 pattern in file 1 to $1 $2 pattern in file2

Hi, I have 2 files that I have modified to basically match each other, however I want to determine what (if any) line in file 1 does not exist in file 2. I need to match column $1 and $2 as a single string in file1 to $1 and $2 in file2 as these two columns create a match. I'm stuck in an AWK...

7. Shell Programming and Scripting

awk pattern matching and shell issue.

Please help me in this issue. I am unable to get the job,seems the awk not browsing the files. Please find my tries below. I have attached two files : 1.tobesearched.txt - a glimpse of a huge log file. 2.searchstring.txt - searching keys. these are the two scripts i tried writing: ...

8. Shell Programming and Scripting

awk - writing matching pattern to a new file and deleting it from the current file

Hello , I have comma delimited file with over 20 fileds that i need to do some validations on. I have to check if certain fields are null and then write the line containing the null field into a new file and then delete the line from the current file. Can someone tell me how i could go...

9. UNIX for Dummies Questions & Answers

How to append portion of a file content to another file when a certain pattern is matching?

Hi ladies and gentleman.. I have two text file with me. I need to replace one of the file content to another file if one both files have a matching pattern. Example: text1.txt: ABCD 1234567,HELLO_WORLDA,HELLO_WORLDB DCBA 3456789,HELLO_WORLDE,HELLO_WORLDF text2.txt: XXXX,ABCD...

10. Shell Programming and Scripting

Awk: Matching Pattern From other file with length

Hi, I have input file whose first column needs(match.txt) to be matched with the first column of the input file with min & max length as defined in match.txt. But conditions are not matching. Please help on the changes in the code below as for multiple enteries in match.txt complete match.txt will...

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)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Pattern matching for file

Discussion started by: doitnow

2. Programming

File Pattern Matching C++

Discussion started by: rameshmelam

3. UNIX for Dummies Questions & Answers

PERL pattern matching in a file

Discussion started by: pvksandeep

4. Shell Programming and Scripting

Help with matching pattern inside a file

Discussion started by: Ernst