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Shell Programming and Scripting
Bash string replacement - how to use regex?
Post 302386669 by Ubuntu-UK on Wednesday 13th of January 2010 06:04:08 AM
01-13-2010
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1. Shell Programming and Scripting
Hi guys, I hope you can help me with my problem.
I have a text file that contains lines like this:
78 ANGELO -809.05
79 ANGELO2 -5,000.06
I need to find all occurences of amounts that are negative and replace them with x's
78 ANGELO xxxxxxx
79... (4 Replies)
Discussion started by: amangeles
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2. Shell Programming and Scripting
Hi
I have a text file which contains the following.
AAA,BBB,CCC,DDD
AAA,BBB,CCC,DDD
AAA,BBB,CCC,DDD
How can I replace all CCC with 888, with other contents inside the file remain unchange? Please advice
Desired output:
AAA,BBB,888,DDD
AAA,BBB,888,DDD
AAA,BBB,888,DDD (1 Reply)
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3. Shell Programming and Scripting
Hi I am new to shell scripting but i manage to do some simple things.
I am trying to replace a string in one file. I am using sed to replace but it is not permanently writing to the file, rather it is temporary. I want to know whether is there any another method to replace a string in a file... (7 Replies)
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4. Shell Programming and Scripting
I have one string
string1=user/password:IP_ADDR:Directory
I need to replace string1 value like store into string2
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i.e replace "/" character by '<space>' character
But i wouldn't use any file in the meantime.
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5. Shell Programming and Scripting
There's a replacement in bash for getchar or get functions of C and C++?Those functions read the next char avaliable in the input stream.
I've tried something like:
OLD_STTY=`stty -g`
stty cbreak -echo
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Hi All,
I have below file which has data in below format.
#$ | AB_100
| AB_300
()| AB_4
@*(% | AB-789
i want o/p as below format.
| AB_100
| AB_300
| AB_4
| AB-789
So here there is no standard format.
How we can achieve the same in unix ?
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7. Shell Programming and Scripting
My input contains a single word lines.
From each line
data.txt
prjtestBlaBlatestBlaBla
prjthisBlaBlathisBlaBla
prjthatBlaBladpthatBlaBla
prjgoodBlaBladpgoodBlaBla
prjgood1BlaBla123dpgood1BlaBla123
Desired output -->
data_out.txt
prjtestBlaBla
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Dear Friends,
I want to replace following line with given line.
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M/M SRNO: 000M/6200-0362498 COSMETIC PRO MALE FEMALE
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9. Shell Programming and Scripting
Hi,
I need to use the regex in the replacement string in SED command.
something like
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Hello, I want to rename multiple files and catch some points about backreference within sed and regex.
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S92A.fa
S92B.fa
...
S96Z.fa
S921.fa
S922.fa
...
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LEARN ABOUT OPENSOLARIS
fiocompress
fiocompress(1M) System Administration Commands fiocompress(1M) NAME
fiocompress - file compression utility SYNOPSIS
/sbin/fiocompress -c [-m] [-b block_size] input_file output_file /sbin/fiocompress -d input_file output_file DESCRIPTION
The fiocompress utility is a file compression tool that works together with the dcfs(7FS) file system to perform per-file compression. You can use fiocompress to decompress a compressed file or mark a compressed file as compressed, causing automatic decompression on read. The primary use of fiocompress is to compress files in the boot archive. Note that this utility is not a Committed interface. See attributes(5). OPTIONS
The following options are supported: -b block_size Specify a block size for compression. The default block size is 8192. -c Compress the specified file. -d Decompress the specified file. -m Mark the compressed file for automatic decompression on read. Can be used only in conjunction with -c. EXIT STATUS
0 The command completed successfully. -1 The command exited due to an error. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsr | +-----------------------------+-----------------------------+ |Interface Stability |Private | +-----------------------------+-----------------------------+ SEE ALSO
boot(1M), bootadm(1M), dcfs(7FS), ufs(7FS), attributes(5) NOTES
This compression/decompression utility works only with files stored in a UFS file system. There is no obvious way to determine whether a given file is compressed, other than copying the file and comparing the number of disk blocks of the copy against the original. SunOS 5.11 10 Dec 2008 fiocompress(1M)