10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi Experts,
I am using the below code to get the previous day based on the date given as a input.
#!/usr/bin/ksh
datestamp=`date '+%Y%m%d'`
yest=$((datestamp -1))
echo $yest
Output: 20130714
How can i display the same output in 14/07/2013, i tired '+%d/%m/%y'` but i am getting... (16 Replies)
Discussion started by: learner24
16 Replies
2. Shell Programming and Scripting
hi,
i am writing a shell script in which i read a line in a variable.
FNAME="s1.txt s2.txt s3.txt s4.txt s5.txt"
i want to create a array and store single file names in a array..
so the array should contain
arr="s1.txt"
arr="s2.txt"
arr="s3.txt"
arr="s4.txt"
arr="s5.txt"
how to... (3 Replies)
Discussion started by: Little
3 Replies
3. Shell Programming and Scripting
Hi All,
I have a txt file which has hundreds of lines and 41 fields. I have a requirement to pick up field 14 from the text file which is a date fiels in the following format.
Field 14 :
Data Type : NUMERIC DATE (YYYYMMDD)
Field Length : 8
Example of Data :20090415
Field 42 :
Data Type... (2 Replies)
Discussion started by: nua7
2 Replies
4. Shell Programming and Scripting
Hi,
I am running into a bit of a problem. I am trying to write a script that will run an interactive (fortran) program repeatedly to dump data across 36 data channels... anyway. I have gotten this far...
#!/bin/csh
set i=0
while ($i<2)
fitsfilter $1<<EOF
$i
0
9
1
1
g
2
1250
-100... (5 Replies)
Discussion started by: madtowneast
5 Replies
5. Shell Programming and Scripting
Greetings.
I am trying to do a script that will do some file copying for me. Unfortunately I have spaces in the directory names (which I cannot change) and the result is someone hard to achieve in shell scripts. I have searched everywhere on the web but does not manage to find the answer to... (3 Replies)
Discussion started by: Mr.Glaurung
3 Replies
6. UNIX for Dummies Questions & Answers
The task: remove undesirable characters from filenames.
Restrictions: Must use basic RE, base utilities (non-GNU) and /bin/sh (ash). No ksh, zsh, perl, etc.
Below is what I've come up with. It seems to work OK but I'm open to shorter, more efficient alternatives.
Inside the square... (4 Replies)
Discussion started by: uiop44
4 Replies
7. Shell Programming and Scripting
Hi All,
I have some folder that are named "FOLDERYYYYMM". I'm trying to piece together a .sh script that will look for the folder with the date. How can I get shell to see the date? (3 Replies)
Discussion started by: bbbngowc
3 Replies
8. Shell Programming and Scripting
Hi there,
I have a logfile which has the following layout:
20080812 0 20
20080812 12 10
20080812 12 10
20080812 12 10
I want to sum the "12" on the last 3 lines and save the "20" on the first line. The final output should be
20080812 36 20
I think that should me more easier with... (6 Replies)
Discussion started by: BufferExploder
6 Replies
9. UNIX for Dummies Questions & Answers
This goes deeper into the date thing. I want to be able to check the date and time stamp in or on a file to see what the time span is.
We have a job that runs several times an hour - kicked off through cron based on a trigger file. We want to keep track of each run and check the time between... (14 Replies)
Discussion started by: MizzGail
14 Replies
10. UNIX for Dummies Questions & Answers
UNIX Sun Ultra60 5.5.1
Hello everybody, I have a problem that seems simple but turns out to be complex (for me at least). My program needs to open a directory (this part is easy), scan each filename and determine whether or not a file with the suffix (.07) exists. So the program would return... (5 Replies)
Discussion started by: j_t_kim
5 Replies