To edit a text file, a text editor seems a natural choice.
With ex:
With ed:
A less readable but equivalent ed one-liner:
On an unrelated and pedantic note, neither GNU's sed -i ... nor perl -i edit anything in place. While those options are convenient, they create and rename a temp file just as you would by using shell redirection and the mv command. To the underlying filesystem, the result is a new file with a different inode. ed and ex, however, actually do edit the file in place.
I'm trying to do a global search and replace in vi. I am trying to replace a string, call it "BOB" with a carriage return and can't seem to find a reference to it.
Command syntax s%/BOB/???/g
What would I substitute the "???" with? (7 Replies)
Is there any way we can achieve search & replace with awk?
I could achieve the same with sed in following way -
sed 's/A/B/g' file1 > file2
But the same regex if I try with using awk following way,
awk 's/A/B/g' file1 > file2
it gives me Syntax error. I strongly believe I am... (1 Reply)
Can I use search & replace in any variable?
Suppose I have one variable named var1 which holds value "abcabc" I need to search 'a' in var1 and want to replace with 'x' like 'xbcxbc'. Is it possible? Can you provide me an example?
Malay (3 Replies)
Hey, I want to have a C program which, for an existing file supplied by the command line argument (E.g. File1.txt) replaces all the occurrences of the words:
"We” or “we” by “I”
“a” by “the”
“A” by “The”.
Then print the replaced file. All other characters of the file are to be left... (1 Reply)
I have a file that has some accent characters in it when viewed in some text editors, but when viewed in vi they come in as ~R and ~U. I need to make a script to remove these characters from the file, but have been unsuccessful. I am not sure how sed or awk, or something similar is viewing them,... (8 Replies)
Hi ,
I ahve a text file which has several instances of the text such as
run_time: 09:30
I need to add double quotes before and after the time value
i.e: run_time: "09:30"
Any suggestions on how to go about the same (4 Replies)
Hi I'm trying to replace a string in the files ending with *.txt
Unable to get the sed to do the job. any help would be appreciated :)
I'm on SunOS
#!/bin/bash
startdirectory={$HOME}/pp_test
searchterm="change"
replaceterm="CHANGE"
echo $searchterm
echo $replaceterm
for file in... (4 Replies)
Hi all,
I have one question that hopefully isn't too complicated for the more advanced users here. In one of the Solaris KSH scripts I'm working on, is it possible to script the following:
- If there "is" an empty blank line "at the end" of /tmp/text.txt, then remove only that one empty... (3 Replies)
Hi,
My problem is that I have to search a changing pattern and replace it with the wild card char "*"
i/p: 99_*_YYYYMMDD_SRC.txt.tar.gz
o/p: 99_*_*_SRC.txt.tar.gz
The problem is that YYYYMMDD pattern is not static. It could be YYYYMMDDHHMI or could be YYYYMMDDHHMISS.
Can... (10 Replies)
Hi Gurus,
I have two files. I want to read sessoin_name from the file1 and replace $Param4 & $Param5 in file2 with connection_name in specified in file1.
The file1 will have data in following format
File 1
session_name,connection_name
s_abcd,Listener_2
s_def,Listener_1
source file... (7 Replies)