Using sed in a for loop Post: 302751635

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Problem with for loop/sed ?

I have a hostnames file which has: $ cat hostnames.txt serverxx1 serverxx2 serverxx3 My script: #!/bin/sh fileA=build.xml for i in ./hostnames.txt ; do sed 's/createConfig machine="Machine"/createConfig machine=" '$i' "/g' "$fileA" > ./tmpfile done FileA has: createConfig...

2. UNIX for Dummies Questions & Answers

sed in a for loop

dear guys, I want to replace the beginning of some lines in a file by (,) The sequence number of lines is located in a file named numbers so, i used this simple script to do so, but it didn't work. it does'nt recognize the $j in the command sed #! /bin/sh for j in `cat numbers` do sed '$j...

3. Shell Programming and Scripting

Using sed with a foreach loop

So I am back again beating my head against the wall with a shell script and getting a headache! I want to change each year in a file (1980, 1981, 1982, 1983, etc.) to the same year followed by a tab. The input is "blah blah (1980) blah blah". I want to get "blah blah (1980 ) blah blah"....

4. Shell Programming and Scripting

Loop with sed command to replace line with sed command in it

Okay, title is kind of confusion, but basically, I have a lot of scripts on a server that I need to replace a ps command, however, the new ps command I'm trying to replace the current one with pipes to sed at one point. So now I am attempting to create another script that replaces that line. ...

5. Shell Programming and Scripting

For loop with sed

Hi there, I have 1 file with different 144 lines and 144 files that I want to change with a sed. What I want to do is to go trough the file with the 144 different lines take the line a replace a certain pattern with said in the first file of the folder where the 144 files are. Take the second...

6. UNIX for Dummies Questions & Answers

SED inside while loop

Hi, im having problem creating a loop using my code: aside from the fact that the 1st variable (VAR) does not increment, it loops more than the expected output. for sample purposes, test csv contains 3 lines. #get number of lines in the file lines=$( wc -l < test.csv ) ...

7. Shell Programming and Scripting

Using sed in for loop

I have a file MAT.txt which contains the following data: mat1.txt mat2.txt . . . . mat100.txt I want to remove the '.txt' from every line and have an output file with the following data: mat1 mat2 . . . . mat100 I know this can be done with sed easily for each line, but I do...

8. Shell Programming and Scripting

Need help using sed inside the loop.

Hi, i have written a script. it collects data based on the sql queries executed by it. i have multiple output files. after the output file is made i need to do some cosmetic changes in the files and then store them. i am unable to use sed conditions inside the loop. see below code for...

9. Shell Programming and Scripting

Using variables in a sed loop...

Hi all, I'm trying to search for the first field in a file called vintella.sudoers_1 and then use the result to grep for its match in vintella.sudoers_useralias file but assigning the second field of what it finds to another variable called to_replace. I then want to use that to_replace...

10. UNIX for Dummies Questions & Answers