10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have a csv dataset like this :
C,rs18768
G,rs13785
GA,rs1065
G,rs1801279
T,rs9274407
A,rs730012
I'm thinking of use like awk, sed to covert the dataset to this format: (if it's two character, then keep the same)
CC,rs18768
GG,rs13785
GA,rs1065
GG,rs1801279
TT,rs9274407... (7 Replies)
Discussion started by: nengcheng
7 Replies
2. Shell Programming and Scripting
Hi All,
I am trying to read a file character by character,
#!/bin/bash
while read -n1 char; do
echo -e "$char\c"
done < /home/shak/testprogram/words
Newyork is a very good city.
Newyorkisaverygoodcityforliving
I need to preserve the spaces as thats an... (3 Replies)
Discussion started by: Kingcobra
3 Replies
3. Shell Programming and Scripting
Hi All,
Below is a sample command that I can run without any problem in the command line.
Command Line
dtToday=`date +%Y%m%d`; ls -ltr ./filename_${dtToday}.txt
-rw-r--r-- 1 monuser oinstall 0 Jan 18 11:02 ./filename_20130118.txt
But once I put that command line in file (list.txt) and... (3 Replies)
Discussion started by: padi
3 Replies
4. Shell Programming and Scripting
Hi friend,
i have the following problem:
when i am writting the below command on the command prompt , its working.
while read -n 1 ch; do echo "$ch" ; echo "$ch" ; done<file_name.out.
but when i am executing it after saving it in a ksh file, its not working.
Please helppppppppp .. thankss... (18 Replies)
Discussion started by: neelmani
18 Replies
5. UNIX for Dummies Questions & Answers
Hello every one and thanks in advance for the time you will take to think about my problem.
I would like to know if it's possible (in BASH) to read a text file character after character.
Exactly this is what I would like to do :
Txt file : ATGCAGTTCATTGCCAAA...... (~2.5 millions... (3 Replies)
Discussion started by: sluvah
3 Replies
6. Shell Programming and Scripting
Hi all,
Greetings,
I have the following scenario, The contents of main file are like :
Unix|||||forum|||||||||||||||is||||||the||best
so||||||be|||||on||||||||||||||||||||||||||||||||||||||||||||it
And i need the output in the following form:
Unix=forum=is=the=best
so=be=on=it
... (3 Replies)
Discussion started by: dipanchandra
3 Replies
7. Shell Programming and Scripting
Hi,
I should read one character at a fixed position from each line of the file. So how ??? should be substituted in the code below:
while read line ; do
single_char=`???`
echo "$single_char"
done < $input_file (8 Replies)
Discussion started by: arsii
8 Replies
8. Shell Programming and Scripting
Hi,
Is it possible to read every 2 lines as single record, I have a file like below,
~CZK ~TSCHECHISCHE KRONE ~TSCHECH. REPUBLIK
Dec 1 2005 12:00AM~ 10.840000~
~DKK ~DAENISCHE KRONE ~DAENEMARK
Dec 2 2005 12:00AM~ ... (9 Replies)
Discussion started by: braindrain
9 Replies
9. Shell Programming and Scripting
I know this is strictly a programming forum - but I consider vi a programming enabler and the question relates to regex you'd use with awk/sed anyway....
I have a file which is 50,000+ lines long and need to change many many instances of
word_word_word
to be
word+word+word
where... (6 Replies)
Discussion started by: Brett Taylor
6 Replies
10. Shell Programming and Scripting
hello,
i need an algorithm which reads a line specified to it in shortest possible time.
i am already using sed, i need a better way. please suggest me alternatives (2 Replies)
Discussion started by: rochitsharma
2 Replies