1. UNIX for Dummies Questions & Answers

Hi Can anybody tell the difference between Difference between cat , cat > , cat >> and touch command in UNIX? Thanks (6 Replies)

2. Shell Programming and Scripting

Hello, So I sorted my file as I was supposed to: sort -n -r -k 2 -k 1 file1 | uniq > file2 and when I wrote > cat file2 in the command line, I got what I was expecting, but in the script itself ... sort -n -r -k 2 -k 1 averages | uniq > temp cat file2 It wrote a whole... (21 Replies)

3. Shell Programming and Scripting

I am trying to figure out how to run the below variable assignment in a shell script so that it will snuff the "no such file or directory" and just pass the count value. That way I can do a valid compare in the next step. num=`ls /appsrv/tmp/PrjRefData_20090428-*_in.xml | wc -l` ls:... (3 Replies)

4. Shell Programming and Scripting

Hello, I'm trying to send the error output of a 'cat' operation to /dev/null like this: cat /dirA/dirB/temp*.log > /dirA/dirB/final.log 2>/dev/null This works perfectly in a terminal, but not when placed in a script. If there are no files matching temp*.log the script outputs an error... (7 Replies)

5. Shell Programming and Scripting

I use the "cat" command to cancaterate files into a new file. Sometimes the cat command failed because there were too many files in the directory for cancateration. I also tried to use the "ls" command to put the list of files into a text file and then cancaterate each file one by one by... (6 Replies)

6. Shell Programming and Scripting

After processing around 300 files , I am getting the below error.Please help me to resolve it cat: 0652-050 Cannot open /dir1/dir2/dir3/dir/abc.txt mv: 0653-401 Cannot rename /dir1/dir2/dir3/dir/abc.temp to /dir1/dir2/dir3/dir/abc.csv: . . . how to avoid it. because I am getting... (1 Reply)

7. Emergency UNIX and Linux Support

Hi All , Am using unix KSH . I would like to clarify two doubts. Whenever am transfering the zero size file am getting the warning message netout. files will be transferred to target server or not? I have used the code as if then VAR="ftp.sh -c put ${FILE} ${FILE}... (2 Replies)

8. Shell Programming and Scripting

Hello, i have bash script where im cycling some command for different lines in external file. example: while read domain;do nslookupout=$(nslookup -type=ns $domain) || true another commands done < filenamewithdomains i added: || true after the command in belief it will just skip... (6 Replies)

9. Shell Programming and Scripting

Hi All , Below is the script which I have written - export LOGDIR=/home/rmsbatch/testdata # TEMPDIR : Path where all non zero files need to be moved after search. export TEMPDIR=/home/rmsbatch/testdata/TEMP # RESULTFILE : Path of the Final File export... (3 Replies)