10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I need very simple sed command to change a parameter in a text file.
I have a line in this text which is like
set xx 0.5
A program reads this file and does some algebraic calculations. So to make a parameter scan I need to change the value of xx. I thought I can do... (7 Replies)
Discussion started by: hayreter
2. UNIX for Dummies Questions & Answers
How can you use sed with a line of code that reads:
Let us say we want to replace Maple Dr. with Oak St. (1 Reply)
Discussion started by: yonkers062986
3. Shell Programming and Scripting
I have two files. File1 is normal txt file and File2 contains list of line numbers.
I need to replace a character in File1 in lines (taken from File2). For that I am using a "for" loop:
for i in $(cat File2)
sed "$i s/Y/N/" File1
but my... (3 Replies)
Discussion started by: shekhar2010us
4. Shell Programming and Scripting
I have a file with some numbers having single quotes around them which I want to remove.
i.e. '923930' -> 23930
If it can be done without using sed thats fine. I have tried with sed but can't think how to replace this pattern on only the numbers (13 Replies)
Discussion started by: user_invalid
5. UNIX for Dummies Questions & Answers
I'm a noob to unix, and I have a line of data like the following:
title=Boston|tcolor=green|desc=Large city in New England|url=www.boston.com
Is there a way to change a field value with sed substitution?
(i.e. change tcolor=green to tcolor=blue)
I figured out: sed... (19 Replies)
Discussion started by: stabby
6. Shell Programming and Scripting
Hi I am trying to do a text insertion in a text file at a particular line number in a shell script. However its not working.
> for j in \`echo $MyList\` ; do perl -pi -e\'s#01\/01\/2009#01\/01\/2011#\' $j ; done' $HOME/MyScript.ksh
The Actual line to be inserted at line 122... (5 Replies)
Discussion started by: som.nitk
7. Shell Programming and Scripting
Can u please help me to replace (-) with (/) in a file containing no of records using "sed " command in unix.
thanks in advance.
subhendu (5 Replies)
Discussion started by: subhendu81
8. Shell Programming and Scripting
I am stuck up in the below scenario:-
I need to read a file name (eg A.txt) name frm another file (eg B.txt) and then I need to search for a particular expression in A.txt and substitute it with another expression.
How can I use SED inside SHELL Scripting and command prompt as well to... (1 Reply)
Discussion started by: shubhranshu
9. UNIX for Dummies Questions & Answers
I have a set of files containing strings like I.TEST1_TEST2 or B.ESSA_ESSB for example.
Does somebody know how to substitute these strings whith the same name and an extension "_V1" (ie. I.TEST1_TEST2_V1) using sed command or else ? (3 Replies)
Discussion started by: jo_aze
10. UNIX for Dummies Questions & Answers
I know we can substitute a string using sed but how?
For example: sed 's/(old variable)/(new variable)/ details.dat
Am I suppose to put $old variable or whatever? Because I tried many times, it didnt work by putting $old variable. Am I suppose to enclose it with "" or ''?
Please help (3 Replies)
Discussion started by: Ohji