10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi Experts,
Problem summary :
I am facing the below problem on huge files when the disk is getting full on the half way through the execution.
If the disk was already full , the commands fail & everything is fine.
Sample Code :
head_rec_data_file=`head -1 sample_file.txt`
cat... (9 Replies)
Discussion started by: Pruthviraj_shiv
9 Replies
2. Shell Programming and Scripting
Hi gurus,
I have a question, need some of your inputs...
I have a command like this :
export LINE_COUNT=`wc -l test.dat | awk '{print $1}'`
echo $LINE_COUNT --- > gives me 2 which is fine as the file has 2 lines.
This works fine if the file test.dat is present but in case... (3 Replies)
Discussion started by: calredd
3 Replies
3. UNIX for Dummies Questions & Answers
explain the redirections 1>, 2>, 3>, .....
and 1< ,2<,3<.....
where we use these things
thanks
Thread moved from AIX forum (2 Replies)
Discussion started by: tsurendra
2 Replies
4. Shell Programming and Scripting
Hi i am facing a very strange problem
suppose the parameters which i passed to the script is
-o 140
then my code is as follows
echo $* | awk '{ for ( i=0;i<=NF;i++){if ($i= -o) { print ${i+1} } } ' | read abc
echo $abc
abc=`echo $* | awk '{ for ( i=0;i<=NF;i++){if ($i= -o) { print... (5 Replies)
Discussion started by: aishsimplesweet
5 Replies
5. Shell Programming and Scripting
Hi there,
I just want to know how can I redirect error msgs returned from running a command (e.g. nslookup) and then only print out the correct output using an if statement?.
I've tried the following:
where $a is a list of IPs.
but I got all the error msgs printed out to screen and... (9 Replies)
Discussion started by: Abdulelah
9 Replies
6. Shell Programming and Scripting
I'm trying to find average of values in 2nd column in some files. Filenames have following pattern eg:
tau_2.54_even_v1.xls
tau_2.54_odd_v1.xls
tau_1.60_v1.xls
tau_800_v1.xls
#!/bin/bash
for file in pmb_mpi tau xhpl mpi_tile_io fftw ; do
for f in "2.54" "1.60" "800" ;do
if... (2 Replies)
Discussion started by: vishwamitra
2 Replies
7. Shell Programming and Scripting
hi :)
if condition >&- 2>&-
Can anybody explain the redirection in above command
Thanks in advance (1 Reply)
Discussion started by: jpriyank
1 Replies
8. Shell Programming and Scripting
My script is throwing the error 'Syntax error: redirection unexpected'
My line of code..
cat nsstatustest.html | sed s/<tr><td align="left">/<tr><td align="left" bgcolor="#000000"><font color="white">/ > ztmp.Ps23zp2s.2-Fpps3-wmmm0dss3
HTML tags are getting in the way but they're needed to... (3 Replies)
Discussion started by: phpfreak
3 Replies
9. Shell Programming and Scripting
Hello All,
I was wondering is there any other way in Shell Scripting to redirect the errors to a output file inside a shell script with using a error status checking or a command line redirection.
Say without doing this
ksh test.ksh 2> error.txt
or without doing this ...
if ; then... (3 Replies)
Discussion started by: maxmave
3 Replies
10. Shell Programming and Scripting
I have written a script that appears to work correctly in testing, but is coming up with a starnge error message,
script_name: test: 0403-004 Specify a parameter with this command.
Redirection or piping of stdin or stdout is allowed only with -b. (156).
The script is run by different... (2 Replies)
Discussion started by: mariner
2 Replies