1. UNIX for Dummies Questions & Answers

Hi, I generally use Perl for this ex. perl -e 's/pattern/replace/g' -p -i <filename> I did something like this.. find . -type f -exec perl -e 's/pattern/replace/g' -p -i {} \; I want to do this with "sed" but what I get is the output being printed on the screen.. i can do sed... (3 Replies)

2. Shell Programming and Scripting

I have an xml file that gets created as a part of daily build. I have to modify some lines in this file, uncomment some lines, comment some line, add 2 new lines in the file every time. Is there an easier automated way to do this using perl, bash, or sh. I would appreciate it if someone can point... (1 Reply)

3. Shell Programming and Scripting

Hi All, I want to edit a file using shell script..For ex...a file called /etc/passwd..here I am searching for "ftp" if it is there just change it to "tftp" without using any temporary file. (3 Replies)

4. Shell Programming and Scripting

I have the follwoing file: This looks to be : seperated. For the first field i want only the file name without ".txt" and also i want to remove "+" sign if the second field starts with "+" sign. Input file: Output file: Appreciate your help (9 Replies)

5. Shell Programming and Scripting

What is an efficient way to remove all lines from the input file which contain a file name? inputfile: ======================= # comment # comment # comment 5 8 10 /tmp 5 8 10 /var/run 5 8 10 /etc/vfstab 5 8 9 /var/tmp 5 8 10 /var/adm/messages... (7 Replies)

6. Shell Programming and Scripting

I have got problems saving sed changes to the same file in a loop. Basically I want the delimited value in every line of the file to be set to blank according to the value stored in var. var can be changed anytime. I do not have sed -i and i've tried to mv the file. Any other ideas? My file... (8 Replies)

7. Shell Programming and Scripting

hi, Im trying to do a sed and save it in teh same file using sed -i option But i think my system doesnt supports that option at all. BTW, im working in ksh. Is there any alternate for this? Thanks (3 Replies)

8. Shell Programming and Scripting

Hi guys, I am currently using this to save first 50 lines into top50.txt and delete them from list.txt ... it's 2 commands: head -n 50 list.txt > top50.txt && sed -i "1,50 d" list.txt I want to change that so it's 1 command - whereby sed removes the first 50 lines as above but that which is... (3 Replies)

9. UNIX for Dummies Questions & Answers

Hi Everyone, I have edited my cron using 'crontab -e'. When I try to save the changes using ':wq!' The file closes but the changes are not saved. I get the following messages: "/tmp/crontabJFainH" 45 lines, 2996 characters trail.log crontab: error on previous line; unexpected character found... (11 Replies)

10. Shell Programming and Scripting

I'm working on a script to execute a number of items. One being, editing particular files to add certain lines. I'm attempting to utilize sed, but, having issues when running from a bash script. Assistance is greatly appreciated. My example: sed -i '14 i\ # add these lines add these lines to... (5 Replies)