remove last 4 characters from a string

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Outputting characters after a given string and reporting the characters in the row below --sed

I have this fastq file: @M04961:22:000000000-B5VGJ:1:1101:9280:7106 1:N:0:86 GGGGGGGGGGGGCATGAAAACATACAAACCGTCTTTCCAGAAATTGTTCCAAGTATCGGCAACAGCTTTATCAATACCATGAAAAATATCAACCACACCA +test-1 GGGGGGGGGGGGGGGGGCCGGGGGFF,EDFFGEDFG,@DGGCGGEGGG7DCGGGF68CGFFFGGGG@CGDGFFDFEFEFF:30CGAFFDFEFF8CAF;;8...

2. Shell Programming and Scripting

How to remove some special characters in a string?

Hi, I have string like this ="Lookup Procedure" But i want the output like this Lookup Procedure =," should be removed. Please suggest me the solution. Regards, Madhuri

3. Shell Programming and Scripting

Remove string between two special characters

Hi All, I have a variable like AVAIL="\ BACK:bkpstg:testdb3.iad.expertcity.com:backtest|\ #AUTH:authstg:testdb3.iad.expertcity.com:authiapd|\ TEST:authstg:testdb3.iad.expertcity.com:authiapd|\ " What I want to do here is that If a find # before any entry, remove the entire string...

4. Shell Programming and Scripting

remove characters from string based on occurrence of a string

Hello Folks.. I need your help .. here the example of my problem..i know its easy..i don't all the commands in unix to do this especiallly sed...here my string.. dwc2_dfg_ajja_dfhhj_vw_dec2_dfgh_dwq desired output is.. dwc2_dfg_ajja_dfhhj it's a simple task with tail...

5. Shell Programming and Scripting

Remove characters from string

Hi I am new in shell scripting and i want to manipulate a string. I have a string tha looks like: /home/nteath/file.txt I want to remove everything until the last "/" , to keep only the filename. e.g. /home/nteath/file.txt output: file.txt Thanks

6. Shell Programming and Scripting

how to remove characters from a string

Hi. for the following line: Var1=${Array} now Array has text as "{hello there}" how do I remove the {} brackets before assigning the string to Var1? Thanks.

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Remove characters from string variable

I am running a script where one of the variables (the month and year) is input at the command line. What I would like to do is chop off the last few characters of that string to create a new variable, while maintaining the old one. The script is run like this: ./pull_station_v4.csh KYWST...

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Remove escape characters from string

Hello all, I have a string var which contains formatting characters at the end, it is a string with EScape sequences at the end of it. How can I remove them so that I only keep the 'real' text? I tried : var1=${var1%%\033[0m} does not seem to do the job .... Please help Thanks

9. Shell Programming and Scripting

Remove special characters from string

Hi there, I'd like to write a script that removes any set of character from any string. The first argument would be the string, the second argument would be the characters to remove. For example: $ myscript "My name's Santiago. What's yours?" "atu" My nme's Snigo. Wh's yors? I wrote the...

10. Shell Programming and Scripting

Remove lasts characters from a string

Hi all, Consider i have a directory /tmp/test and inside this directory i have the following files: 1.svf.tmp 2.svf.tmp 3.svf.tmp How can i remove the last four characters of every file in irder for the directory to be as: 1.svf 2.svf 3.svf I use the following command but id doesn't...

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cat

cat(1)							      General Commands Manual							    cat(1)

Name
       cat - concatenate and print data

Syntax
       cat [ -b ] [ -e ] [ -n ] [ -s ] [ -t ] [ -u ] [ -v ] file...

Description
       The  command reads each file in sequence and displays it on the standard output.  Therefore, to display the file on the standard output you
       type:
       cat file
       To concatenate two files and place the result on the third you type:
       cat file1 file2 > file3
       To concatenate two files and append them to a third you type:
       cat file1 file2 >> file3
       If no input file is given, or if a minus sign (-) is encountered as an argument, reads from the standard input file.  Output is buffered in
       1024-byte blocks unless the standard output is a terminal, in which case it is line buffered.  The utility supports the processing of 8-bit
       characters.

Options
       -b   Ignores blank lines and precedes each output line with its line number.

       -e   Displays a dollar sign ($) at the end of each output line.

       -n   Precedes all output lines (including blank lines) with line numbers.

       -s   Squeezes adjacent blank lines from output and single spaces output.

       -t   Displays non-printing characters (including tabs) in output.  In addition to those representations used with the -v  option,  all  tab
	    characters are displayed as ^I.

       -u   Unbuffers output.

       -v   Displays  non-printing  characters (excluding tabs and newline) as the ^x.	If the character is in the range octal 0177 to octal 0241,
	    it is displayed as M-x. The delete character (octal 0177) displays as ^?.  For example, is displayed as ^X.

See Also
       cp(1), ex(1), more(1), pr(1), tail(1)

																	    cat(1)

Shell Programming and Scripting