deleting multiple accourances of a pattern from a file Post: 302309266

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

deleting multiple records from a huge file at one time

I have a very big file of 5gb size and there are about 50 million records in there. I have to delete the records based on recrord number that I know fromoutside with out opening the file. The record numbers are very random like 5000678, 7890005 etc. Can somebody let me know how i can...

2. UNIX for Dummies Questions & Answers

Checking for a file in file pattern before deleting it

Hi, I need a script where I have delete all the files of type abc*.* from the directory /lmn/opq (passed as parameter to script) But I need to check if there is file of type abc*.* existing in the directory or not before I use the rm abc*.* command. Thanks

3. Shell Programming and Scripting

Deleting multiple lines from file

Hi, I have 10 different strings. I have to delete the whole line matching with any one string. I can use sed like below sed '/$keyword1/d' fileList.txt > temp_fileList.txt sed '/$keyword2/d' temp_fileList.txt > temp_fileList1.txt . . . Here is the problem i do not have fixed number...

4. Shell Programming and Scripting

deleting a pattern from a file

say i have a file with the following contents 0x20 0x20 0xc23886 > 0xc12354 > 0xc567555555 i want to delete "> " pattern and keep the rest of the file

5. Shell Programming and Scripting

Searching a pattern in file and deleting th ewhole line containing the pattern

Hi All, Please can someone assist in the script I have made that searches a pattern in a file and delete the whole line containing the pattern. #!bin/sh # The pattern that user want to add to the files echo "Enter the pattern of the redirect" read value # check if the user has...

6. Shell Programming and Scripting

pattern matching over multiple lines and deleting the first

I've got a longish log file with content such as Uplink traffic: Downlink traffic: I want to parse the log file and remove any line that contains the string "Uplink traffic:" at the beginning of the line, but only if the line following it beginnings with the string "Downlink traffic:" (in...

7. Shell Programming and Scripting

deleting lines in a file that match a pattern without opening it

In Unix, how do I delete lines in a file that match a particular pattern without opening it. File contents are foo line1 misc whatever foo line 2 i want to delete all lines that have the pattern "foo" without opening the file. File should eventually contain misc whatever

8. UNIX for Dummies Questions & Answers

Deleting Multiple Lines in Hosts File

Hello all, I'm using the Bash shell on Solaris 8. Please can someone tell me how I can delete multiple lines in the hosts file? I have a list of hosts that I want to quickly delete in the hosts file, but I'm looking for a quicker way than using VI to delete the lines one by one. Regards,...

9. 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...

10. UNIX for Dummies Questions & Answers

Deleting a pattern in UNIX without deleting the entire line

Hi I have a file: r58778.3|SOURCES={KEY=f665931a...,fw,221-705}|ERRORS={16_1:T,30_1:T,56_1:C,57_1:T,59_1:A,101_1:A,115:-,158_1:C,186_1:A,204:-,271_1:T,305:-,350_1:C,368_1:G,442_1:C,472_1:G,477_1:A}|SOURCE_1="Contig_1092402550638"(f665931a359e36cea0976db191ff60ff09cc816e) I want to retain...

LEARN ABOUT DEBIAN

ecaccess-association-delete

ECACCESS-ASSOCIATION-DELETE(1p) 			User Contributed Perl Documentation			   ECACCESS-ASSOCIATION-DELETE(1p)

NAME

       ecaccess-association-delete - Delete Association

SYNOPSIS

       ecaccess-association-delete -version|-help|-manual

       ecaccess-association-delete [-debug] [-gateway name] association-name

DESCRIPTION

       Allow deleting an ECtrans Association. Once deleted the Association can not be retrieved. The History associated with this Association will
       also be removed from the ECaccess Gateway Database.

ARGUMENTS

       association-name
	       The name of the Association to delete.

OPTIONS

       -gateway name
	       This is the name of the ECaccess Gateway where the Association is installed.  It is by default the Gateway you are connected to. In
	       order to get the name of your current Gateway you can use the ecaccess-gateway-name command. When using the commands at ECMWF the
	       default Gateway is always "ecaccess.ecmwf.int".

       -version
	       Display version number and exits.

       -help   Print a brief help message and exits.

       -manual Prints the manual page and exits.

       -debug  Display the SOAP messages exchanged.

EXAMPLES

       ecaccess-association-delete -gateway ecaccess.ecmwf.int test

       Remove the test Association on the ecaccess.ecmwf.int Gateway.

       ecaccess-association-delete test2

       Remove the test2 Association on the default Gateway.

SEE ALSO

       ecaccess-association-get, ecaccess-association-list, ecaccess-association-protocol, ecaccess-association-put and ecaccess.

perl v5.14.2							    2012-04-16					   ECACCESS-ASSOCIATION-DELETE(1p)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

deleting multiple records from a huge file at one time

Discussion started by: dsravan

2. UNIX for Dummies Questions & Answers

Checking for a file in file pattern before deleting it

Discussion started by: dsrookie

3. Shell Programming and Scripting

Deleting multiple lines from file

Discussion started by: shekhar_v4

4. Shell Programming and Scripting

deleting a pattern from a file

Discussion started by: lassimanji