Sponsored Content
Full Discussion: replace characters in a file
Top Forums Shell Programming and Scripting replace characters in a file Post 302249843 by Franklin52 on Wednesday 22nd of October 2008 07:59:00 AM
Old 10-22-2008
Quote:
Originally Posted by dnat
wher are we specifying the character numbers as 3-5
Nowhere, the command prints the first 2 characters of the first line, then the variable and at last position 6 until the end of the line.

Regards
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Replace characters in all file names in a particular directory

Hi, I have searched the forum on how to mass replace the file names. We are doing the migration and I am trying to accomplish a task where I have to replace all UNIX scripts in a particular directory that start with bdw to fdm... For example: bdw0110137.sh should be fdm0110137.sh Keep the... (4 Replies)
Discussion started by: madhunk
4 Replies

2. UNIX for Dummies Questions & Answers

Replace Special characters in a file

Hi, I have a data like this in a file, 402003279034002000100147626030003300010000000000002000029000000 ær^M^\MÍW^H I need to replace those special char to some other char like # or $ Is there any ways to do it... I tried commands tr,sed and many but it was not able to replace because... (1 Reply)
Discussion started by: solai
1 Replies

3. Shell Programming and Scripting

How to replace characters 7 through 14 of every line in a file

Hi all, I have a file with multiple lines. I want to replace characters 7 through 14 of every line with 0000000 Input: 12345678901234567890 23456789012345678901 Output 12345600000004567890 23456700000005678901 Please help. JaK (9 Replies)
Discussion started by: jakSun8
9 Replies

4. UNIX for Dummies Questions & Answers

Find and replace special characters in a file

HI All I need a shell script ehich removes all special characters from file and converts the file to UTF-* format Specail characters to be removed must be configurable. strIllegal = @"?/><,:;""'{|\\+=-)(*&^%$#@!~`"; Please help me in getting this script as my scripting skilla are... (2 Replies)
Discussion started by: sujithchandra
2 Replies

5. Shell Programming and Scripting

Replace characters then read the file without changing it

Hi All At the moment the following code works but ideally i do not want to have to change the original $1 tr "\r" "\n" < "$1" > "$1.fix" printf "\n" >> "$1.fix" mv "$1.fix" "$1" FILE=$1 coffee_out="splitmovie" coffee_fill="-splitAt" coffee_end="-self-contained -o output.mov $2"... (1 Reply)
Discussion started by: babajuma
1 Replies

6. Shell Programming and Scripting

Replace 10 characters in file

Hi, I need to replace 10 characters string (21-30) in a file with another string. I tried using cut command, i am able get these 10 charaters, but do not know how to replace them inside the file. for example file content(these are alphanumeric characters):... (3 Replies)
Discussion started by: Johny001
3 Replies

7. Shell Programming and Scripting

Using shell to replace characters in a text file

Can I just say, this is such a frustrating and yet enormously rewarding field of study. I'm in the middle of configuring GeekTool (Uh oh, stupid n00b) and I really only have one question. I'm using Automator to grab a RSS feed, having GeekTool continually run that application every 10 minutes,... (7 Replies)
Discussion started by: SomeTechGuy
7 Replies

8. Shell Programming and Scripting

Replace first 3 characters in a unix file in all lines

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)
Discussion started by: vasan2815
4 Replies

9. Shell Programming and Scripting

How to replace characters in a file?

Hi Gurus, I need replace some charactors in a file. in following example. I need replace from 4th charactor to 6th charactor with x in each line. abcdefghijklmn 123456789011 excepted result: abcxxxghijklmn 123xxx789011 Thanks in advance. (6 Replies)
Discussion started by: ken6503
6 Replies

10. UNIX for Dummies Questions & Answers

Need to replace new line characters in a huge file

Hi , I would like to replace new line characters(\n) in a huge file of about 2 million records . I tried this one (:%s/\n//g) but it's hanging there and no result. Does this command do not work if the file is big. Please let me know if you have any other options Regards Raj (1 Reply)
Discussion started by: rajeevm
1 Replies
replace(1)							  MySQL database							replace(1)

NAME
replace - A utility program that is used by msql2mysql, but that has more general applicability as well. replace changes strings in place in files or on the standard input. Uses a finite state machine to match longer strings first. Can be used to swap strings. USAGE
replace [-?svIV] from to from to ... -- [files] or replace [-?svIV] from to from to ... < fromfile > tofile SYNOPSIS
replace [-?|-I] [-s] [-v] DESCRIPTION
replace -?|-I info -s silent -v verbose EXTRA INFO
Special characters in from string: ^ Match start of line. $ Match end of line.  Match space-character, start of line or end of line. For a end  the next replace starts locking at the end space-character. A  alone in a string matches only a space-character. EXAMPLE
this command swaps a and b in the given files: shell> replace a b b a -- file1 file2 ... SEE ALSO
isamchk(1), isamlog(1), mysql(1), mysqlaccess(1), mysqladmin(1), mysqld(1), mysqld_multi(1), mysqld_safe(1), mysqldump(1), mysql_fix_privi- lege_tables(1), mysqlshow(1), mysql_zap(1), perror(1), For more information please refer to the MySQL reference manual, which may already be installed locally and which is also available online at http://www.mysql.com/doc/en/ BUGS
Please refer to http://bugs.mysql.com/ to report bugs. AUTHOR
Ver 1.0, distribution 4.0.24 Michael (Monty) Widenius (monty@mysql.com), MySQL AB (http://www.mysql.com/). This software comes with no warranty. Manual page by L. (Kill-9) Pedersen (kill-9@kill-9.dk), Mercurmedia Data Model Architect / system developer (http://www.mercur- media.com) ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+------------------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+------------------------------------+ |Availability | SUNWmysqlr, SUNWmysqlu, SUNWmysqlt | +--------------------+------------------------------------+ |Interface Stability | External | +--------------------+------------------------------------+ NOTES
Source for mysql is available on http://opensolaris.org. MySQL 4.0 19 December 2000 replace(1)
All times are GMT -4. The time now is 09:34 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy