1. UNIX for Dummies Questions & Answers

Hi guys, I have the following grep command in a script to search through a file for a string and return its count, and it works fine for when the string exists: grep "string" file.txt | wc However, sometimes the result will be 0 and I want the script to take this as the result. Right now... (6 Replies)

2. Shell Programming and Scripting

Hi , I am doing invert grep using -v but the string contain "/" which break the grep command and it do not skip the lines with "/" on it. Diffu.txt ======== 1159c1159 < <td align="right" valign="middle" class="paddingRight2px" id="featureListItemChannelButton7466"> --- > <td... (1 Reply)

3. UNIX for Dummies Questions & Answers

I am looking for a file with 'MCR0000000716214' in it. I tried the following command: grep MCR0000000716214 * The problem is that the folder I am searching in has over 87000 files and I am getting the following: bash: /bin/grep: Arg list too long Is there any command I can use that can... (6 Replies)

4. Shell Programming and Scripting

I have a few .tex files generated with html2latex. They have some extra \\ that generate error with pdflatex, so I would like to get rid of them. This perl -p -i -e s/\\\\//g myfile.tex with or without simple or double quote remove all of the backslashes, also the single ones needed by tex. How... (2 Replies)

5. Shell Programming and Scripting

hyper link- abc:8081/xyz/2.5.6/rtyp-2.5.6.jar Needs to get "rtyp-2.5.6.jar" i.e character after last backslash "/" how to do this using sed/awk?? help is highly appreciated. (7 Replies)

6. Shell Programming and Scripting

Hi, Can any one help how to handle the below situation. Am using Awk script to handle variable When I open the file in VI mode, I see the string as Orange~Rs , but when I cat the file its showing as plain Oranges. When I copied the file over to Windows, am seeing the special character... (3 Replies)

7. UNIX for Dummies Questions & Answers

Hello everyone, My main objective is to search for text within a file, namely a block of text where each line ends with a backslash "\". However, the block must begin with a keyword, like "loginstring". Here is an example of a file that contains a block: ############### loginstring \... (2 Replies)

8. UNIX for Advanced & Expert Users

Why does this work when grepping for a backslash? grep '\\' .bash_history grep "" .bash_historyWhy does this not work when grepping for a backslash? grep "\\" .bash_historyI know this works works but just don't understand why I need 4 backslashes when using double quotes. grep "\\\\"... (7 Replies)

9. UNIX for Dummies Questions & Answers

I have text file which is a tab delimited one. Sample data from the file is shown below: unix is\ great\ os linux\ is superb I want to replace that backslash with empty string preserving the tab delimiter. Output should be unix is great os linux is ... (3 Replies)

10. Shell Programming and Scripting

Hi All I want to add backslash and apostrophe to variable in my bash script. I have my variable: USER_LIST=USER1,USER2,USER3 and I want something like this: USER_LIST_DEL=/'USER1/',/'USER2/',/'USER3/' any ideas ?? (1 Reply)