10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hi,
Let's say I have a pipe-separated input like so:
name_10|A|BCCC|cat_1
name_11|B|DE|cat_2
name_10|A|BC|cat_3
name_11|B|DEEEEEE|cat_4
Using awk, for records with common field 2, I am trying to replace all the shortest substrings by the longest string in field 3.
In order to get the... (5 Replies)
Discussion started by: beca123456
5 Replies
2. Shell Programming and Scripting
I met a challenge to filter ~70 millions of sequence rows and I want using awk with conditions:
1) longest string of each pattern in column 2, ignore any sub-string, as the index;
2) all the unique patterns after 1);
3) print the whole row;
input:
1 ABCDEFGHI longest_sequence1
2 ABCDEFGH... (12 Replies)
Discussion started by: yifangt
12 Replies
3. Shell Programming and Scripting
Hi,
I would like to be able to parse out a substring matching a basic pattern, which is a character followed by 3 or 4 digits (for example S1234 out of a larger string). The main string would just be a filename, like Thisis__the FileName_S1234_ToParse.txt. The filename isn't fixed, but the... (2 Replies)
Discussion started by: keaneMB
2 Replies
4. Shell Programming and Scripting
I would be grateful if someone could help me. I am trying to write a .sh script in UNIX.
I have the following code;
User=john
User=james
User=ian
User=martin
for x in ${User}
do
print ${#x}
done
This produces the following output;
4
5
3
6 (12 Replies)
Discussion started by: mmab
12 Replies
5. Shell Programming and Scripting
Hi,
i want to know how to compare string of file with input string
im trying following code:
file_no=`paste -s -d "||||\n" a.txt | cut -c 1`
#it will return collection number from file
echo "enter number"
read " curr_no"
if ; then
echo " current number already present"
fi
... (4 Replies)
Discussion started by: a_smith
4 Replies
6. Emergency UNIX and Linux Support
Hi,
I have an input file like
F : 0.1 : 0.002
P : 0.3 : 0.004
P : 0.5 : 0.008
P : 0.1 : 0.005
L : 0.05 : 0.02
P: 0.1 : 0.006
P : 0.01 : 0.08
F : 0.02 : 0.08
Expected output: (2 Replies)
Discussion started by: vasanth.vadalur
2 Replies
7. Shell Programming and Scripting
Hello all,
I need to find the longest string in a select field and print that field.
I have tried a few different methods and I always end up one step from where I need to be.
Methods thus far:
nawk '{if (length($1) > long) long=length($1); if(length($1)==long) print $1}'
The above... (6 Replies)
Discussion started by: SEinT
6 Replies
8. Shell Programming and Scripting
Hi Everyone,
#!/usr/bin/perl
use strict;
use warnings;
my %prefix_to_rate = (
'93' => "1.50",
'6iii' => "0.22"
);
my ( $shortest, $longest ) =
( sort { $a <=> $b } map { length } keys %prefix_to_rate );
for my $len ( reverse $shortest .. $longest ) {
print ... (0 Replies)
Discussion started by: jimmy_y
0 Replies
9. Shell Programming and Scripting
Hi, I need to parse a string, check if there are periods and strip the string.
For example i have the following domains and subdomains: mydomain.com, dev.mydomain.com
I need to strip all periods so i have a string without periods or domain extensions: mydomain, devmydomain.
I use this for... (12 Replies)
Discussion started by: ktm
12 Replies
10. Shell Programming and Scripting
Hi guys, I hope you can help me with my problem.
I have a text file that contains lines like this:
78 ANGELO -809.05
79 ANGELO2 -5,000.06
I need to find all occurences of amounts that are negative and replace them with x's
78 ANGELO xxxxxxx
79... (4 Replies)
Discussion started by: amangeles
4 Replies