1. Shell Programming and Scripting

Hi all, I am new to UNIX, so sorry if my question seem stupid to u. well i want to replace the first character of first 30 lines of a file, only if the first character is h. and in anothe script i want to replace a particular string/character say hello/h of a file.Condition: It should... (1 Reply)

2. Shell Programming and Scripting

Hello I am a beginner in shell script. I was trying to find a way to replace multiple lines of a file with different set of multiple line. sed -n '/begin/,/end/p' < sample1.txt >test.txt UNEDITED=`cat test.txt` vi test.txt EDITED=`cat test.txt`... (2 Replies)

3. Shell Programming and Scripting

I've got a file full of numbers, example: cat test.file 60835287 0 51758036 40242437 0 32737144 0 24179513 0 4131489957 I want to replace those numbers (4 Replies)

4. Shell Programming and Scripting

Hi all, I have two parameter blocks in a configuration file, file1.conf. First parameter block starts with PWAT-PARM1 and ends with END PWAT-PARM1. Second parameter block starts with PWAT-PARM2 and ends with END PWAT-PARM2 (please see below in file1.conf). file1.conf is fixed width... (8 Replies)

5. Shell Programming and Scripting

Hello, I have 8 lines containing these unique words in both files 645147468537 673962863160 673962864957 691717701950 707917019907 790085591726 792975507744 852174812753 file.dat.orig (has 1000 lines) and file.dat(has only 8 lines) I want to replace those lines in file.dat.orig by... (1 Reply)

6. Shell Programming and Scripting

Hi everybody, I am a newbie in shell scripting and I'm trying to write a script which reads lines from a file, searching some of this lines to change a specified number. I want to replace the line for another in the file. I have to replace multiples lines, so I have a for. Now I am trying with... (1 Reply)

7. Shell Programming and Scripting

i have something like this... cat filename.txt <complexType name="abc"> bklah vlah blah blha blha blah blha </complexType > <complexType name="def"> bklah vlah blah blha blha blah blha </complexType > . . .and so on.. its a very large file (11 Replies)

8. Shell Programming and Scripting

Replace first 3 characters in a unix file (say replace "A&B" with "C&D") in all lines of the file. Need a sed or awk script to do this. Kindly help! -Kumar (4 Replies)

9. Shell Programming and Scripting

I have a file where every line includes four expressions with a caret in the middle (plus some other "words" or fields, always separated by spaces). I would like to extract from this file, all those lines such that each of the four expressions containing a caret appears in at least four different... (9 Replies)

10. Shell Programming and Scripting

OS version: RHEL 6.7 Shell : Bash I have a file like below $ cat pattern.txt 'T_PKT_HEADER' 'T_ORD_ITM_LOYX' 'T_ORDERITM_TRMS' 'T_ORDER_ITEM' 'T_ORDER_ITM_PRI' 'T_ORDER_ITEM_OM' 'T_ORDER_ITEM_XA' 'T_ORDER_ATT' 'T_ORDER_ACTNSET' 'T_ORDER_XM' 'T_ORDER_X' 'T_ORDER_TNTX'... (7 Replies)