10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
I wrote a shell script program that supposed to delete any directories and its files that begin with the same character string . The program is designed to delete directories and its files that are one day old or less and only the directories that begin with the same character string. The problem... (1 Reply)
Discussion started by: dellanicholson
1 Replies
2. Shell Programming and Scripting
Hello,
I try to sort results of occurences in an array by using awk but I can't find the right command. that's why I'm asking your help ! :)
Please see below the command that I run:
awk '{ for ( i=1; i<=length; i++ ) arr++ }END{ for ( i in arr ) { print i, arr } }' dictionnary.txt
... (3 Replies)
Discussion started by: destin45
3 Replies
3. Shell Programming and Scripting
Hi,
Have a flat file like below:
1
2
4
1
2
1
3
Need to delete all duplicate instances.
Output:
1
2
4
3
Can't use "uniq" as it works on a sorted file.
Can't "sort" as need to maintain the original order. (3 Replies)
Discussion started by: vibhor_agarwali
3 Replies
4. UNIX for Advanced & Expert Users
echo "hello123" | tr -dc '' | wc -c
using this command i can count the no of times a number from 0-9 occurs in the string "hello123"
but how do i save this result inside a variable?
if i do
x= echo "hello123" | tr -dc '' | wc -c
that does not work...plz suggest..thanks (3 Replies)
Discussion started by: arindamlive
3 Replies
5. Shell Programming and Scripting
Hallo!
Example.
#!/bin/bash
BACKUP_DIR=/home/userx/backups/evolution
echo $BACKUP_DIR
# delete the first character from the string
BACKUP_DIR=$(echo $BACKUP_DIR | cut -c 2-)
echo $BACKUP_DIR
It works. It does want I want, delete the first character from string in the... (11 Replies)
Discussion started by: linuxinho
11 Replies
6. Shell Programming and Scripting
Hello,
I have a text file with n lines in the following format (9 column fields):
Example:
contig00012 149606 G C 49 68 60 18 c$cccccacccccccccc^c
I need to count the number of lower-case and upper-case occurences in column 9, respectively, of the... (3 Replies)
Discussion started by: s052866
3 Replies
7. Shell Programming and Scripting
I would like to remove characters from column 7 so that from an input file looking like this:
>HWI-EAS422_12:4:1:69:89 GGTTTAAATATTGCACAAAAGGTATAGAGCGT U0 1 0 0 ref_chr8.fa 6527777 F DD
I get something like that in an output file:
... (13 Replies)
Discussion started by: matlavmac
13 Replies
8. HP-UX
For counting the occurences of specific character in the file
I am issuing the command
grep -o 'character' filename | wc -w
It works in other shells but not in HP-UX as there is no option -o for grep.
What do I do now? (9 Replies)
Discussion started by: superprogrammer
9 Replies
9. UNIX for Advanced & Expert Users
i have a string like echo "a|b|c" . i want to count the | symbols in this string . how to do this .plz tell the command (11 Replies)
Discussion started by: kamesh83
11 Replies
10. UNIX for Dummies Questions & Answers
Hi ! All,
I have to delete first 2 characters from string. How its possible?
Like string value is "2001". I required output as "01"
Plaese help me.
Nitin (4 Replies)
Discussion started by: nitinshinde
4 Replies