low & high values


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting low & high values
# 1  
Old 12-31-2008
low & high values

on the file Ftp'd from the mainframe ,do we have any UNIX command to replace mainframe low and values to space or null.

i tried using tr and it doesn't work ...

Thanks
# 2  
Old 12-31-2008
Is this file completely in EBCDIC? If it is, you'll have to worry about translating all the other characters too. Do a man on the dd command and lookup the conv switch.
Login or Register to Ask a Question

Previous Thread | Next Thread

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Combine splitted low & high byte files into one file

Hi all, i have a binary file splitted into 2 chunks, first part with all high bytes and the second part with all low bytes. I need to combine the two chunks into one binary file like (eg. exactly the reverse of the splitting method solved in the thread # 130940) Hi bytes file content:... (7 Replies)
Discussion started by: mzs
7 Replies

2. Red Hat

High RAM usage, extremely low swapping

Hi team I have three physical servers running on Red Hat Enterprise Linux Server release 6.2 with the following memory conditions: # cat /proc/meminfo | grep -i mem MemTotal: 8062888 kB MemFree: 184540 kB Shmem: 516 kB and the following swap conditions: ... (6 Replies)
Discussion started by: hedkandi
6 Replies

3. AIX

High Runqueue (R) LOW CPU LOW I/O Low Network Low memory usage

Hello All I have a system running AIX 61 shared uncapped partition (with 11 physical processors, 24 Virtual 72GB of Memory) . The output from NMON, vmstat show a high run queue (60+) for continous periods of time intervals, but NO paging, relatively low I/o (6000) , CPU % is 40, Low network.... (9 Replies)
Discussion started by: IL-Malti
9 Replies

4. UNIX for Dummies Questions & Answers

Kernel/ user space and high/ low mem

Need some clarification on this.... 1. how are kernel/ user spaces and high/low memory related? 2. What do they all mean when i have the kernel command line as: "console=ttyS0,115200 root=/dev/sda2 rw mem=exactmap memmap=1M@0 memmap=96M@1M irqpoll" or 2. what do mem and memmap mean in... (3 Replies)
Discussion started by: dragonpoint
3 Replies

5. Shell Programming and Scripting

Split file into chunks of low & high byte

Hi guys, i have a question about spliting a binary file into 2 chunks. First chunk with all high bytes and the second one with all low bytes. What unix tools can i use? And how can this be performed? I looked in manpages of split and dd but this does not help. Thanks (2 Replies)
Discussion started by: basta
2 Replies

6. Shell Programming and Scripting

Picking high and low variables in a bash script - possible?

Is it possible to have a bash script pick the highest and lowest values of four variables? I've been googling for this but haven't come up with anything. I have a script that assigns variables ($c0, $c1, $c2, and $c3) based on the coretemps from grep/sed statements of sensors. I'd like to also... (5 Replies)
Discussion started by: graysky
5 Replies

7. UNIX for Dummies Questions & Answers

malloc returning NULL if freemem high & swapmem low (MPRAS version 3.03 )

Hi All,:) In my application malloc is returning NULL even though there is sufficient amount of free memory available but the swap memory is low. Is this possible that, if free memory is high & swap memory is low, malloc will not be able to allocate memory & return NULL ? Few details: ... (4 Replies)
Discussion started by: Ritesh Kumar
4 Replies

8. Solaris

malloc returning NULL if freemem high & swapmem low

Hi All, In my application malloc is returning NULL even though there is sufficient amount of free memory is available but swap memory is low. Is this possible that, if free memory is high & swap memory is low, malloc will not be able to allocate memory & return NULL ?:) Kindly look into... (5 Replies)
Discussion started by: Ritesh Kumar
5 Replies

9. UNIX for Advanced & Expert Users

Sun: High kernel usage & very high load averages

Hi, I am seeing very high kernel usage and very high load averages on my system (Although we are not loading much data to our database). Here is the output of top...does anyone know what i should be looking at? Thanks, Lorraine last pid: 13144; load averages: 22.32, 19.81, 16.78 ... (4 Replies)
Discussion started by: lorrainenineill
4 Replies
Login or Register to Ask a Question