1. Shell Programming and Scripting

i have this script that searches for a pattern. However it fails if the pattern includes some special characters. So far, it fails with the following strings: 1. -Cr 2. $Mj 3. H'412 would a sed or awk be more effective? i don't want the users to put the (\) during the search (they... (5 Replies)

2. Shell Programming and Scripting

Hi All, Can someone please help me write a script for the following requirement in awk, grep, sed or perl. Buuuu xxx bbb Kmmmm rrr ssss uuuu Kwwww zzzz ccc Roooowwww eeee Bxxxx jjjj dddd Kuuuu eeeee nnnn Rpppp cccc vvvv cccc Rhhhhhhyyyy tttt Lhhhh rrrrrssssss Bffff mmmm iiiii Ktttt... (5 Replies)

3. Shell Programming and Scripting

Hi all, I have the following lines <b>A gtwrhwrthwr text hghthwrhtwrtw </b><font color='#06C'>; text text (text) <b>B gtwrhwrthwr text hghthwrhtwrtw </b><font color='#06C'>; text text (text) <b>J gtwrhwrthwr text hghthwrhtwrtw </b><font color='#06C'>; text text (text) and I would like to... (5 Replies)

4. Shell Programming and Scripting

I'm very new to awk and sed and I've been struggling with this for a while. I'm trying to search a file for a string with special characters and this string is a command line argument to a simple script. ./myscript "searchpattern" file #!/bin/sh awk "/$1/" $2 > dupelistfilter.txt sed... (6 Replies)

5. Shell Programming and Scripting

I'm looking for SED equivalent for grep -w -f. All I want is to search a list of patterns from a file. Also If the pattern doesn't match I do not want "null returned", rather I would prefer some text as place holder say "BLANK LINE" as I intend to process the output file based on line number. ... (1 Reply)

6. Shell Programming and Scripting

I have a binary (hex) file I need to parse to get some data which are encoded this way: .* b4 . . . 01 12 .* af .* 83 L1 x1 x2 xL 84 L2 y1 y2 yL By another words there is a stream of hexadecimal bytes (in my example separated by space for better readability). I need to get value stored in... (3 Replies)

7. Shell Programming and Scripting

Hi, I'm writing a ksh script and trying to use an awk / sed / or perl one-liner to remove the last 4 characters of a line in a file if it begins with a period. Here is the contents of the file... the column in which I want to remove the last 4 characters is the last column. ($6 in awk). I've... (10 Replies)

8. Shell Programming and Scripting

Hi, I would like to delete lines in /etc/hosts on few workstations, basically I want to delete all the lines for a list of machines like this : for HOST in $(cat stations.lst |uniq) do # echo -n "$HOST" if ping -c 1 $HOST > /dev/null 2>&1 then HOSTNAME_val=`rsh $HOST "sed... (3 Replies)

9. Shell Programming and Scripting

I have an input file which is similar to what I have shown below. Pattern : Data followed by two blank lines followed by data again followed by two blank lines followed by data again etc.. The first three lines after every blank line combination(2 blank lines between data) should be... (2 Replies)

10. UNIX for Beginners Questions & Answers

Hello Team, Any help would be much appreciated for the below scenario: I have a sed command below where I am trying to replace the contents of 'old_pkey' variable with 'new_pkey' variable in a Soap request file (delete_request.txt). This works fine for regular string values, but this new_pkey... (8 Replies)