10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello,
I have a complicated situational find and replace that I wrote in bash because I didn't know how to do everything in awk. The code works but is very slow, as expected.
To create my modified file, I am looping through an array that was populated earlier and making some replacements at... (6 Replies)
Discussion started by: LMHmedchem
6 Replies
2. Shell Programming and Scripting
I am trying to assign indexes to an associative array in a for loop but I have to use an eval command to make it work, this doesn't seem correct I don't have to do this with regular arrays
For example, the following assignment fails without the eval command:
#! /bin/bash
read -d "\0" -a... (19 Replies)
Discussion started by: Riker1204
19 Replies
3. Shell Programming and Scripting
I am trying to reformat the table by filling any missing rows. The final table will have consecutive IDs in the first column. My problem is the index of the associate array in the awk script.
infile:
S01 36407 53706 88540
S02 69343 87098 87316
S03 50133 59721 107923... (4 Replies)
Discussion started by: yifangt
4 Replies
4. Programming
Hi friends,
I have implemented the merge sort algorith in c, before I put forward my question, you please have a look at my code.
// The array is sorted, as 1234
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int A = {4, 3, 2, 1};
void Merge_Sort(int , int, int);
void... (0 Replies)
Discussion started by: gabam
0 Replies
5. Shell Programming and Scripting
Hi all,
In bash, is there any way of searching an array and returning the index?
For example, how could I write a script that would do the following:
>> search note_array=(C D E F G A B) for F
return the value 3 (or 4)
Thanks,
R (5 Replies)
Discussion started by: RMontenegro
5 Replies
6. Shell Programming and Scripting
Hi,
I'm just trying to use a dynamic index for some array elements that I'm accessing within a loop. Specifically, I want to access an array at variable position $counter and then also at location $counter + 1 and $counter + 2 (the second and third array positions after it) but I keep getting... (0 Replies)
Discussion started by: weak_code-fu
0 Replies
7. Shell Programming and Scripting
Hi All,
I have a file (FileNames.txt) which contains the following data in it.
$ cat FileNames.txt
MYFILE17XXX208Sep191307.csv
MYFILE19XXX208Sep192124.csv
MYFILE20XXX208Sep192418.csv
MYFILE22XXX208Sep193234.csv
MYFILE21XXX208Sep193018.csv
MYFILE24XXX208Sep194053.csv... (5 Replies)
Discussion started by: krish_indus
5 Replies
8. Shell Programming and Scripting
$ cat file.txt
A|X|20
A|Y|20
A|X|30
A|Z|20
B|X|10
A|Y|40
Summing up $NF based on first 2 fields,
$ awk -F "|" 'BEGIN {OFS="|"}
{ sum += $NF }
END { for (f in sum) print f,sum }
' file.txt
o/p:
A|X|50
A|Y|60
A|Z|20 (4 Replies)
Discussion started by: uwork72
4 Replies
9. UNIX for Advanced & Expert Users
hi folks
i am facing problom while trying to access sql variable as array index ina unix shell script....script goes as below..
#!/bin/ksh
MAX=3
for elem in alpha beeta gaama
do
arr=$elem
((x=x+1))
Done
SQL_SERVER='servername'
/apps/sun5/utils/sqsh -S $SQL_SERVER -U user -P pwd -b -h... (1 Reply)
Discussion started by: sudheer157
1 Replies
10. Filesystems, Disks and Memory
why do inode indices starts from 1 unlike array indexes which starts from 0
its a question from "the design of unix operating system" of maurice j bach
id be glad if i get to know the answer quickly
:) (0 Replies)
Discussion started by: sairamdevotee
0 Replies