10 More Discussions You Might Find Interesting
1. Programming
I had been looking at page 75 of this online book:
http://richard.esplins.org/static/downloads/linux_book.pdf
I've used the system function in C to call bash commands before, but wanted to learn this way too. The solution in the book worked perfectly. However, I tried changing the simple "ls -l... (3 Replies)
Discussion started by: Azrael
3 Replies
2. Shell Programming and Scripting
Greetings fellow scripters.
I find myself editing multiple files, sometimes with the same bits of information. My bash script, a changelog, and a plist file (OS X). Once I realized this, I thought why not script part of this process (and so it begins). In any case, I've solved several of the... (1 Reply)
Discussion started by: reid
1 Replies
3. UNIX for Dummies Questions & Answers
Hi,
I'm trying make a variable length file to a fixed length of 4000.
I'm to pad spaces on the right of a record if length is less than 4000 to make the record length 4000.
I'm trying to use the below commands
awk '{printf "%-4000s\n", $0}' inputfile.dat > outputfile.dat
sed -e :a... (12 Replies)
Discussion started by: uxusr
12 Replies
4. Shell Programming and Scripting
Does anyone know of any script or packages that allow the calculation of the geographical distance between two points of lat/long from within a bash shell?
I have been searching the web for the past few days and none of the options seem compatible with bash variables... (eg. geodist)
Many... (3 Replies)
Discussion started by: lily-anne
3 Replies
5. Shell Programming and Scripting
Greetings!
Some of my files list hardware errors (we test electronic components), some have none. If the file name has no errors, I still want to display a message like "No error", else I display the error from the file itself.
I came up with this (with help)
for myfile in `find . -name... (2 Replies)
Discussion started by: alan
2 Replies
6. Shell Programming and Scripting
I'm using a barcode scanner to grab ISBNs. Unfortunately, short of hitting "enter" each time (not easy while on a ladder), there's no good way to split it up. So I scanned it into a series of long lines in notepad.
Now, I need to split each line into 12-number lines.
instead of:... (4 Replies)
Discussion started by: mbourgon
4 Replies
7. UNIX for Dummies Questions & Answers
Hi Gurus,
I have a big file having around 5000 lines. What I need to do is as below.
$cat myfile
aaaa
bbbb
ccc
ddd
...
I want the output to be as below:
'aaaa,'bbbb','cccc'....
For this I have written something like this
code:
vi sac.txt |nawk '{printf NR","}'>ss
code: (2 Replies)
Discussion started by: thana
2 Replies
8. Shell Programming and Scripting
In a BASH library I'm creating, I have two functions that look like:
function check_process {
PIDFILE=$1
if ; then
PID=`cat $PIDFILE`
if && ; then
return 1
fi;
fi;
return 0
}
function fork_process {
CMD=$1
PIDFILE=$2
... (2 Replies)
Discussion started by: neked
2 Replies
9. UNIX for Dummies Questions & Answers
HI, i need to remove about a 3000000 lines in a "too long file", without using vi editor. Im using hp-ux 11.0. (4 Replies)
Discussion started by: Goodfella
4 Replies
10. Shell Programming and Scripting
Hello,
AIM: Need to test for the presence of some files (*.F) in a certain directory.
having a problem with this line is ksh:
if test `ls $SOMEDIR/dir/*.F \
2>/dev/null|wc -w` -eq 0
Basically testing for the presence of *.F files in the specified directory. If the return... (4 Replies)
Discussion started by: enoch
4 Replies