10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi there,
Im having a bit of difficulty with this one and I suspect its because of the character I want to match against maybe causing me a problem, but i wanted to remove everything up to (but not including) the first instance of '{' in a string
so for example the string that I want to... (2 Replies)
Discussion started by: hcclnoodles
2 Replies
2. Shell Programming and Scripting
bash-3.00$ cat temp.txt
./a/REA01/ces1/apps/ces_ces1_init3_aa.ear/ces.war/WEB-INF/classes/reds/common/environment.properties
./a/REA01/ces1/apps/ces_ces1_init3_aa.ear/commonproperties/hi/HostIntegration.properties... (9 Replies)
Discussion started by: bhas85
9 Replies
3. UNIX for Dummies Questions & Answers
I have been given a shell script that I need to amend. To do the following
extract the filename from the flag file by removing the .flag extension.
# Local variables
# Find if the flag files exists
MASK=coda_mil2*.flag
# Are there any files?
bookmark="40"
fileFound=0
ls -1... (3 Replies)
Discussion started by: andymay
3 Replies
4. UNIX for Dummies Questions & Answers
Hi,
in a file, i have records as below:
123|62|absnb|267629
123|267|28728|uiuip
123|567|26761|2676
i want to remove the non printable characters after the end of each record.
I guess there are certain charcters but not visible.
i don't know what character that is exactly.
I used... (2 Replies)
Discussion started by: pandeesh
2 Replies
5. Shell Programming and Scripting
Dear Friends,
I want to remove text between two patters.
Problem is, it has random special characters like \ / | * ` ~ ! $ etc.
These random special characters has no fixed length. But these special characters are appearing between a fixed pattern
e.g.
DM&^%#|#!\/?CT
Expected output... (14 Replies)
Discussion started by: anushree.a
14 Replies
6. UNIX for Dummies Questions & Answers
hi
I have a perl script conv.pl. when i execute this file and direct i to log file I see lots of ^M characters in the log file. There is no ^M in conv.pl file. Log file is generated only after conv.pl is executed.
Please help as how to get rid of these.
This conv.pl is going to get schduled... (5 Replies)
Discussion started by: infyanurag
5 Replies
7. UNIX for Dummies Questions & Answers
Hi all,
Any help on how to do the following? :eek:
I have an infile as follows:
_thisishowyouwritehelloworld
_thisisalsohowyouwritehelloworld2
I want to delete the characters from "_" to "how" and be left with:
youwritehelloworld
youwritehelloworld2
I am able to do delete from a... (2 Replies)
Discussion started by: dr_sabz
2 Replies
8. HP-UX
Hi,
I have a very huge file and it contains some unprintable characters like ^H and ^D.
If I try to remove using cat test1.ser| tr -d '\136 110'>newfile1 it is only removing ^and all spaces in the file.
How can I remove these characters (^D ^H) and keep my spaces as it is?
Thanks &... (1 Reply)
Discussion started by: arsheshadri
1 Replies
9. Shell Programming and Scripting
Hi
I have a file that has semicolons in it (;) is there a way to just remove these in the file. Example
name: Joe Smith; group: Group1;
name: Mary White; group: Group2; (2 Replies)
Discussion started by: bombcan
2 Replies
10. Shell Programming and Scripting
I have few files in unix which are in dos format. While I am copying these files, ^M, ^@, etc characters are being generated.
I tried dos2unix command in Linux and it doesn't work.
I tried sed to remove these characters but they won't go.
I came to about this 'tr' command and tried to use it... (16 Replies)
Discussion started by: chiru_h
16 Replies
DD(1) General Commands Manual DD(1)
NAME
dd - disk dumper
SYNOPSIS
dd [option = value] ...
EXAMPLES
dd if=/dev/fd0 of=/dev/fd1
# Copy disk 0 to disk 1
dd if=x of=y bs=1w skip=4
# Copy x to y, skipping 4 words
dd if=x of=y count=3
# Copy three 512-byte blocks
DESCRIPTION
This command is intended for copying partial files. The block size, skip count, and number of blocks to copy can be specified. The
options are:
if = file - Input file (default is stdin)
of = file - Output file (default is standard output)
ibs = n - Input block size (default 512 bytes)
obs = n - Output block size (default is 512 bytes)
bs = n - Block size; sets ibs and obs (default is 512 bytes)
skip = n - Skip n input blocks before reading
seek = n - Skip n output blocks before writing
count = n - Copy only n input blocks
conv = lcase - Convert upper case letters to lower case
conv = ucase - Convert lower case letters to upper case
conv = swab - Swap every pair of bytes
conv = noerror- Ignore errors and just keep going
conv = silent- Suppress statistics (Minix specific flag)
Where sizes are expected, they are in bytes. However, the letters w, b, or k may be appended to the number to indicate words (2 bytes),
blocks (512 bytes), or K (1024 bytes), respectively. When dd is finished, it reports the number of full and partial blocks read and writ-
ten.
SEE ALSO
vol(1).
DD(1)
