Sed or Awk or both to edit file Post: 302362006

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1. UNIX for Dummies Questions & Answers

edit file using sed (not create another!)

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...

2. Shell Programming and Scripting

sed / awk - inplace or inline edit

I need to remove the '&' from a file. In each line of the file, the fields are separated by ^K. I only want to remove '&' if it exists in field number 9. (example of field 9: abc&xyz) I need to do an in place/in line edit. So far I have accomplished the following: awk -F '^K' '{print...

3. Shell Programming and Scripting

edit entire column from a fixed-width file using awk or sed

Col1 Col2 Col3 Col4 12 Completed 08 0830 12 In Progress 09 0829 11 For F U 07 0828 Considering the file above, how could i replace the third column the most efficient way? The actual file size is almost 1G. I am...

4. Shell Programming and Scripting

File edit with awk or sed

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

5. Shell Programming and Scripting

what is the switch to let sed edit and save file

I remember there is a sed switch i can use to edit and save the file at the same time, but i cannot recall it at all. so instead of -> sed 's/A/B/' file > file-tmp -> mv file-tmp file what can i do to just let sed edit and save the "file"

6. Shell Programming and Scripting

edit field using sed or awk

please help me to edit the second field using awk or sed i have input file below aa1001 000001 bb1002 000002 cc1003 000003 so i want the output file like below aa1001 01 bb1002 02 cc1003 03

7. Shell Programming and Scripting

Inline edit using sed / awk

Hi, I have file with all the lines as following format <namebindings:StringNameSpaceBinding xmi:id="StringNameSpaceBinding" name="ENV_CONFIG_PATH" nameInNameSpace="COMP/HOD/MYSTR/BACKOFFICE/ENV_CONFIG_PATH" stringToBind="test"/> I want to replace (all the lines) value of...

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Edit a file using awk ?

Hey guys, I'm trying to learn a bit of awk/sed and I'm using different sites to learn it from, and i think I'm starting to get confused (doesn't take much!). Anyway, say I have a csv file which has something along the lines of the following in it:"test","127.0.0.1","startup...

9. Shell Programming and Scripting

SED/AWK to edit/add field values in a record

Hi Experts, I am new to shell scripting. Need some help in doing one task given by the customer. The sample record in a file is as follows: 3538,,,,,,ID,ID1,,,,,,,,,,, It needs to be the following: 3538,,353800,353800,,,ID,ID1,,,,,COLX,,,,,COLY, And i want to modify this record in...

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Bash script - add/edit to file and save - sed?

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...

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fmt

fmt(1)							      General Commands Manual							    fmt(1)

NAME

       fmt - format text

SYNOPSIS

       width] [file...]

DESCRIPTION

       The  command is a simple text formatter that fills and joins lines to produce output lines of (up to) the number of characters specified in
       the width option.  The default width is 72.  concatenates the arguments.  If none are given, formats text from the standard input.

       Blank lines are preserved in the output, as is the spacing between words.  does not fill lines beginning with a	period	for  compatibility
       with Nor does it fill lines starting with

       Indentation is preserved in the output and input lines with differing indentation are not joined (unless is used).

       can also be used as an in-line text filter for the command:

       reformats the text between the cursor location and the end of the paragraph.

   Options
       recognizes the following options:

	      Crown margin mode.
		    Preserve the indentation of the first two lines within a paragraph and align the left margin of each subsequent line with that
		    of the second line.  This is useful for tagged paragraphs.

	      Split lines only.
		    Do not join short lines to form longer ones.  This prevents sample lines of code, and other such "formatted" text, from  being
		    unduly combined.

	      Fill output lines to up to
		    width columns.

WARNINGS

       The width option is acceptable for BSD compatibility, but it may go away in future releases.

SEE ALSO

       nroff(1), vi(1).

																	    fmt(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

edit file using sed (not create another!)

Discussion started by: oldtrash

2. Shell Programming and Scripting

sed / awk - inplace or inline edit

Discussion started by: hemangjani

3. Shell Programming and Scripting

edit entire column from a fixed-width file using awk or sed

Discussion started by: tamahomekarasu

4. Shell Programming and Scripting

File edit with awk or sed

Discussion started by: pinnacle

5. Shell Programming and Scripting

what is the switch to let sed edit and save file

Discussion started by: fedora

6. Shell Programming and Scripting

edit field using sed or awk

Discussion started by: zulabc

7. Shell Programming and Scripting

Inline edit using sed / awk

Discussion started by: shuklaa02