10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
I have a requirement to read a file ( 5 fields , ~ delimited) and find the records which contain anything other than Alphabets, Numbers , comma ,space and dot . ie a-z and A-Z and 0-9 and . and " " and , in 2nd field. Once I do that i would want the result to have field1|<flag>
flag can... (2 Replies)
Discussion started by: ashwin3086
2. Shell Programming and Scripting
I have file which have looks like below
efg= "this is the actual value"
based on "abc" value I have to call "efg" value , Am using below lines but it is not working
Please wrap all code, files, input &... (5 Replies)
Discussion started by: Prashanth.K
3. Shell Programming and Scripting
Need command for position based replace:
I need a command to replace with 0 for characters in the positions 11 to 20 to all the lines starts with 6 in a file.
For example the file ABC.txt has:
abcdefghijklmnopqrstuvwxyz... (4 Replies)
Discussion started by: thangabalu
4. Shell Programming and Scripting
Discussion started by: radioactive9
5. Shell Programming and Scripting
I have a source config file with variables like so:
I am trying to run a script which loops based on the number of eth interfaces on a machine and therefore modifies the variable it calls in the environment based on the... (5 Replies)
Discussion started by: landossa
6. Shell Programming and Scripting
Hi all, I need help.
I have an input text file (input.txt) like this:
21 GTGCAACACCGTCTTGAGAGG 50
21 GACCGAGACAGAATGAAAATC 73
21 CGGGTCTGTAGTAGCAAACGC 108
21 CGAAAAATGAACCCCTTTATC 220
21 CGTGATCCTGTTGAAGGGTCG 259
Now I need to count A/T/G/C numbers at each character location in column... (2 Replies)
Discussion started by: thienxho
7. Shell Programming and Scripting
I am trying to find a specific set of characters in a long file. I only want to find the characters in column 265 for 4 bytes.
Is there a search for that? I tried cut but couldn't get it to work.
Ex. I want to find '9999' in column 265 for 4 bytes. If it is in there, I want it to print... (12 Replies)
Discussion started by: Drenhead
8. Shell Programming and Scripting
sed -e "s// /g" old.txt > new.txt
While I do know some control characters need to be escaped, can normal characters also be escaped and still work the same way? Basically I do not know all control characters that have a special meaning, for example, ?, ., % have a meaning and have to be escaped... (11 Replies)
Discussion started by: ijustneeda
9. Shell Programming and Scripting
I have following samp.txt file in unix.
. (5 Replies)
Discussion started by: techmoris
10. Shell Programming and Scripting
i have variable A which is an alias for variable B which is equal to "THIS IS A TEST"
when every i echo variable A i only get the alias name for variable B, NOT the contents of variable B.
HOSTNAME# echo $TESTIT
+ echo THIS IS A TEST
THIS IS A TEST
HOSTNAME# ls -l
total... (10 Replies)
Discussion started by: Optimus_P