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UNIX for Dummies Questions & Answers
Replace 8th and 9th characters in file permanently
Post 302570267 by bartus11 on Wednesday 2nd of November 2011 07:27:32 PM
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Is there a simple way to replace the 9th character of every line in a text file?
Right now it is a space and instead I want to stick in a 0, every line is the same.
Is there a quick way to do this in Unix? (Solaris) (5 Replies)
Discussion started by: LordJezo
5 Replies
2. UNIX for Dummies Questions & Answers
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
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. Shell Programming and Scripting
Hi,
I have a file in which i want to replace the charaters from position 3-5 with a particular string for the first line.
For ex
The file contains
abcdefghij
jkdsflsfkdk
908090900
i want to replace the characters 3-5 for the first line as 678
so, the file should look like
... (7 Replies)
Discussion started by: dnat
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5. Shell Programming and Scripting
i have a few scripts in which i need to find string"ali1@abcd.com" and replace it with "ali@abcd.com"
i used 2 below commands but none of them is permanently replacing the old string in the script s.sh
perl -pi -e 's/ali1@abcd.com/ali@abcd.com/g' s.sh
sed 's/ali1@abcd.com/ali@abcd.com/g'... (7 Replies)
Discussion started by: ali560045
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6. Shell Programming and Scripting
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)
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7. AIX
Hi everyone,
I have a file called pdf.txt which has the following list inside:
7110412_1_31122012.pdf
7286510_4_46667100.pdf
4002176_1_00018824.pdf
...
I need a looping script to REMOVE the 8th and 9th character of the filenames listed, no matter what character that is.
So... (4 Replies)
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8. Solaris
Hi experts,
Can somebody explain, what is 9th field in /etc/shadow ? The last digit - (5 Replies)
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9. Shell Programming and Scripting
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. Shell Programming and Scripting
Ommit the numbers or any characters only at 7th or 8th columns after the dot (.) . Since the group column has 1 and 2 spaces.
Thanks
-rw-r--r--. 1 user1 domain users 619 2017-04-13 16:16:50.284598383 +0000 aa
drwxr-xr-x. 2 root root 6 2017-05-08... (8 Replies)
Discussion started by: invinzin21
8 Replies
LEARN ABOUT REDHAT
dos2unix
dos2unix(1) General Commands Manual dos2unix(1) NAME
dos2unix - DOS/MAC to UNIX text file format converter SYNOPSYS
dos2unix [options] [-c convmode] [-o file ...] [-n infile outfile ...] Options: [-hkqV] [--help] [--keepdate] [--quiet] [--version] DESCRIPTION
This manual page documents dos2unix, the program that converts plain text files in DOS/MAC format to UNIX format. OPTIONS
The following options are available: -h --help Print online help. -k --keepdate Keep the date stamp of output file same as input file. -q --quiet Quiet mode. Suppress all warning and messages. -V --version Prints version information. -c --convmode convmode Sets conversion mode. Simulates dos2unix under SunOS. -o --oldfile file ... Old file mode. Convert the file and write output to it. The program default to run in this mode. Wildcard names may be used. -n --newfile infile outfile ... New file mode. Convert the infile and write output to outfile. File names must be given in pairs and wildcard names should NOT be used or you WILL lost your files. EXAMPLES
Get input from stdin and write output to stdout. dos2unix Convert and replace a.txt. Convert and replace b.txt. dos2unix a.txt b.txt dos2unix -o a.txt b.txt Convert and replace a.txt in ASCII conversion mode. Convert and replace b.txt in ISO conversion mode. Convert c.txt from Mac to Unix ascii format. dos2unix a.txt -c iso b.txt dos2unix -c ascii a.txt -c iso b.txt dos2unix -c mac a.txt b.txt Convert and replace a.txt while keeping original date stamp. dos2unix -k a.txt dos2unix -k -o a.txt Convert a.txt and write to e.txt. dos2unix -n a.txt e.txt Convert a.txt and write to e.txt, keep date stamp of e.txt same as a.txt. dos2unix -k -n a.txt e.txt Convert and replace a.txt. Convert b.txt and write to e.txt. dos2unix a.txt -n b.txt e.txt dos2unix -o a.txt -n b.txt e.txt Convert c.txt and write to e.txt. Convert and replace a.txt. Convert and replace b.txt. Convert d.txt and write to f.txt. dos2unix -n c.txt e.txt -o a.txt b.txt -n d.txt f.txt DIAGNOSTICS
BUGS
The program does not work properly under MSDOS in stdio processing mode. If you know why is that so, please tell me. AUTHORS
Benjamin Lin - <blin@socs.uts.edu.au> Bernd Johannes Wuebben (mac2unix mode) <wuebben@kde.org> MISCELLANY
Tested environment: Linux 1.2.0 with GNU C 2.5.8 SunOS 4.1.3 with GNU C 2.6.3 MS-DOS 6.20 with Borland C++ 4.02 Suggestions and bug reports are welcome. SEE ALSO
unix2dos(1) mac2unix(1) 1995.03.31 dos2unix v3.0 dos2unix(1)