Sponsored Content
Full Discussion: Sed, last occurrence
Top Forums UNIX for Dummies Questions & Answers Sed, last occurrence Post 302848133 by nexional on Wednesday 28th of August 2013 02:03:42 PM
Old 08-28-2013
Host doesn't have 'tac' command. For now what I tried is -

Code:
grep 'string' file | tail -1

Was wondering if sed might have a better way.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Grep for the same occurrence or maybe Sed

Hi, I have a file that looks like this dasdjasdjoasjdoasjdoa SYN dakspodkapsdka asdasdasdasdasdasdasd SYN sdfsdfsdfsdfdf shfishifhsdifhsidhfif fsdfsdfsdfsdfs sdfsdfsdfsdsdfsdfsdff cercercercerce sdasdajsdoajsodasodoo FIN dasdaskdpasdda... (4 Replies)
Discussion started by: hcclnoodles
4 Replies

2. Shell Programming and Scripting

SED replace string by occurrence

hi all, I have a text file with following content PAGENUMBER asasasa asasasa PAGENUMBER sasasasasa PAGENUMBER using sed i want to replace PAGENUMBER by occurrence count eg 1 asasasa asasasa 2 sasasasasa 3 (4 Replies)
Discussion started by: uttamhoode
4 Replies

3. Shell Programming and Scripting

Using sed to substitute first occurrence

I am trying to get rid of some ending tags but I run into some problems. Ex. How are you?</EndTag><Begin>It is fine.</Begin><New> Just about I am trying to get rid of the ending tags, starts with </ and ending with >. (which is </EndTag> and </Begin>) I tried the following sed... (2 Replies)
Discussion started by: quixoticking11
2 Replies

4. Shell Programming and Scripting

Sed to print a string until the second occurrence of a character

Hi, I am totally new to shell scripting. I have a String "c:\working\html\index.txt.12-12-2009.bkp" I want to check if the string has more than one "." character. If it does I would like to retrieve only "c:\working\html\index.txt" i.e, discard the second occurrence of "." and the rest of the... (7 Replies)
Discussion started by: imr
7 Replies

5. Shell Programming and Scripting

SED to replace exact match, not first occurrence.

Lets say I have file.txt: (Product:Price:QuantityAvailable) (: as delimiter) Chocolate:5:5 Banana:33:3 I am doing a edit/update function. I want to change the Quantity Available, so I tried using the SED command to replace 5, but my Price which is also 5 is changed instead. (for the Banana... (13 Replies)
Discussion started by: andylbh
13 Replies

6. Shell Programming and Scripting

Replace x Number of String Occurrence with Sed

Ok, So I have a huge file that has over 12000 lines in it. in this file, there are 589 occurrences of the string "use five-minute-interval" spread in various areas in the file. How can i replace the the last 250 of the occurrences of "use five-minute-interval" with "use... (10 Replies)
Discussion started by: SkySmart
10 Replies

7. Shell Programming and Scripting

Sed diffrent replace by occurrence

I couldn't find the answer anywhere, so I hope you could help me. I need to change something like the following: something/bla/aaaa anything/bbb to: something --bla ----aaaa anything --bbb How do I do this? Is it possible with sed? I tried various patterns, but don't know how to... (5 Replies)
Discussion started by: Patwan
5 Replies

8. Shell Programming and Scripting

Modifying sed to only change last occurrence.

I'm using sed to switch integers (one or more digits) to the other side of the ':' colon. For example: "47593:23421" would then be "23421:47593". The way it functions right now, it is messing my settings file to use with gnuplot. The current command is: sed 's/\(*\):\(*\)/\2:\1/' out3 >... (3 Replies)
Discussion started by: D2K
3 Replies

9. UNIX for Dummies Questions & Answers

Substitution in first occurrence with sed

I have the following script: sed '/string1/,/string2/!d' infile I want to apply the script to the first occurrence only. I have tried sed '0,/string1/,/string2/!d' infile Of course, that does not work Any help will be greatly appreciated (12 Replies)
Discussion started by: Xterra
12 Replies

10. Shell Programming and Scripting

sed print from last occurrence match until the end of last occurrence match

Hi, i have file file.txt with data like: START 03:11:30 a 03:11:40 b END START 03:13:30 eee 03:13:35 fff END jjjjjjjjjjjjjjjjjjjjj START 03:14:30 eee 03:15:30 fff END ggggggggggg iiiiiiiiiiiiiiiiiiiiiiiii I want the below output START (13 Replies)
Discussion started by: Jyotshna
13 Replies
MB_STRSTR(3)								 1							      MB_STRSTR(3)

mb_strstr - Finds first occurrence of a string within another

SYNOPSIS
string mb_strstr (string $haystack, string $needle, [bool $before_needle = false], [string $encoding = mb_internal_encoding()]) DESCRIPTION
mb_strstr(3) finds the first occurrence of $needle in $haystack and returns the portion of $haystack. If $needle is not found, it returns FALSE. PARAMETERS
o $haystack - The string from which to get the first occurrence of $needle o $needle - The string to find in $haystack o $before_needle - Determines which portion of $haystack this function returns. If set to TRUE, it returns all of $haystack from the beginning to the first occurrence of $needle (excluding needle). If set to FALSE, it returns all of $haystack from the first occurrence of $needle to the end (including needle). o $encoding - Character encoding name to use. If it is omitted, internal character encoding is used. RETURN VALUES
Returns the portion of $haystack, or FALSE if $needle is not found. SEE ALSO
stristr(3), strstr(3), mb_stristr(3). PHP Documentation Group MB_STRSTR(3)
All times are GMT -4. The time now is 06:49 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy