hii,
i need a unix command which replaces all occurrences of a substring within a string with another substring.
My solution:
string="plalstalplal"
sub1="al"
sub2="mlkl"
echo sed 's/$s2/$s3/g' < s1 > p
i want to know how to read the variables s2 and s3..
thaks a lot
bye (1 Reply)
I have three files that the string inside it I want to replace
so my code will be
#!/bin/bash
read -p "please input the old string:" string1
read -p "please input the new string:" string2
sed -i "s/string1/string2/g" *.c
but the problem is.. the string that I want to replace can't be... (2 Replies)
Hi all
suppose i have a string "abacus sabre", i need to replace occurences 'ab' with 'cd' and i need to store this result into same string and i need to return this result from script to the calling function, where as the string is passed from calling function.
i tried like this
... (1 Reply)
Hi there,
I'd like to replace STRING_ZERO in FILE_ZERO.txt with the value of VALUEi-th by using something like that:
VALUE1=1000
VALUE2=2000
VALUE3=3000
for((i=1;i<=3;i++));
do
sed "s/STRING_ZERO/$VALUE'$i'/" FILE_ZERO.txt >> FILE_NEW.txt;
done
but it doesn't work...
Any help... (9 Replies)
I have following set of dirs:
/dir1/dir2/subdir1
file1
file2
/dir1/dir3/subdir1
file4
file5
/dir1/dir4/subdir1
file6
file7
All of these files have a common string in them say "STRING1", How can I... (3 Replies)
Hi,
Can anyone help me know how to replace a string with the new line
for ex:
file1
val1 or val2 or val3 or
I need to replace the "or" with new line.
Thanks in advance (2 Replies)
I'm trying to replace a string "99999999'" with the blank where ever is there in the file. Could you please help in unix scripting.
Thank You. (6 Replies)
Help!
I'm trying this command but keep getting illegal syntax etc.
awk '{ sub(/00012345/,"000123456"); print}' >newfile
I don't understand. It works on one unix machine but not another! (4 Replies)
Dear all,
I have a file like below. I want to replace all the '.' in the 3rd column with 'NA'. I don't know how to do that. Anyone has an iead? Thanks a lot!
8 70003200 21.6206
9 70005700 17.5064
10 70002200 .
11 70005100 19.1001
17 70008000 16.1970
32 70012400 26.3465
33... (9 Replies)
Hi All,
I have below requirement:
I need to read each line in file.txt and replace string starting from position 9 to 24 {111111111111111,222222222222222,333333333333333} by common string "444444444444444" and save file.
File.txt:
03000003111111111111111 ... (3 Replies)
Discussion started by: smalode
3 Replies
LEARN ABOUT DEBIAN
fastq_quality_trimmer
FASTQ_QUALITY_TRIMMER(1) User Commands FASTQ_QUALITY_TRIMMER(1)NAME
fastq_quality_trimmer - Filters sequences based on quality
DESCRIPTION
usage: fastq_quality_trimmer [-h] [-v] [-t N] [-l N] [-z] [-i INFILE] [-o OUTFILE] Part of FASTX Toolkit 0.0.13.1 by A. Gordon (gor-
don@cshl.edu)
[-h] = This helpful help screen.
[-t N] = Quality threshold - nucleotides with lower
quality will be trimmed (from the end of the sequence).
[-l N] = Minimum length - sequences shorter than this (after trimming)
will be discarded. Default = 0 = no minimum length.
[-z] = Compress output with GZIP.
[-i INFILE]
= FASTQ input file. default is STDIN.
[-o OUTFILE] = FASTQ output file. default is STDOUT. [-v] = Verbose - report number of sequences.
If [-o] is specified,
report will be printed to STDOUT.
If [-o] is not specified (and output goes to STDOUT), report will be printed to STDERR.
SEE ALSO
The quality of this automatically generated manpage might be insufficient. It is suggested to visit
http://hannonlab.cshl.edu/fastx_toolkit/commandline.html
to get a better layout as well as an overview about connected FASTX tools.
fastq_quality_trimmer 0.0.13.1 April 2012 FASTQ_QUALITY_TRIMMER(1)