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Thanks a lot

I am using shell script. I tried to use "sort -u", but it seems to be not working.

Hi,

I have a list of numbers stored in an array as below.

5 7 10 30 30 40 50

Please advise how could I remove the duplicate value in the array ?

Thanks in advance.

yes
thanks

I have amended the script as below.

rc=`expr ${rc1}` || `expr ${rc2}` || `expr ${rc3}`


But the following error prompted.

/work/proj/projtmp/testing.sh[3]: 1: not found.


Please give...

Hi all,

I want to perform 'OR' for the following 3 variables.

rc1=1
rc2=1
rc3=1

rc=`${rc1} \| ${rc2} \| ${rc2} `

How can it be done?

Thanks,
Rock

yes ... thank you

Hi all,


I got some problems on executing the following scripts.

Scripts:
if [[ ${var1} == 1 ]]; then
echo "M${str}O 0 1" >> ${tempFile}
elif [[ ${var2} == "U"]]; then
echo "M${str}O 1...

thanks a lot

Hi all,

I want to store the records from a file to an array. What approach can I use?

e.g.
soruce_file:
aaa
bbb
ccc

array:
arr[0]=aaa
arr[1]=bbb
arr[2]=ccc


Thanks,
Rock

Dear all,


How can I amend the following command to use variable inside 'sed' ?

str=`sed -e 's/orig_string/${var}/g' ${sourcefile}`


Thanks,
Rocky

Dear all,


Please advise what approach can remove all line break from a text file?
e.g.
Source file:
A
B
C

Target file:
A, B, C


Thanks,
Rock

I can extract all strings start with abc (like abc*) with the symbol '^'. Is there any similiar method to handle the wildcard situation?

e.g.
cat /home/source_file.dat | awk -f /home/filter.awk...

Hi,


Please advise how can I modify my command to extract all strings with exact match only (no wildcard character).

Command:
cat /home/source_file.dat | awk -f /home/filter.awk criteria1=abc...

Similiar error prompted by using 'ex'

$ ex large.dat
"large.dat"ex: 0602-026 No more memory for the append. Too many lines in the file.


I would like to amend the first few matched pattern...

I would like to edit a doc which is large file size. I can't use "vi" command due to out of memory.


$ vi large.dat

ex: 0602-101 Out of memory saving lines for undo.


Please help. Thanks.

i can solve it
Thanks

For the sed solution,


The Pattern is constructed with a variable string inside a text.
e.g.
aaa123aaa
aaa4 5aaa
aaa678aaa

sed -e "s/aaa*aaa/&$str/g" ${source_file}

Why I can't use "*"...

I have writen a simple script to arhieve my purpose. However, "There is not enough memory available now" is prompted. Can my script be optimized to reduce resource? Thanks.

append_string=`cat...

How to put a line of strings (with some white spaces in between) from a file into variables?

I have tried the following codes. However, the content is cut by space (not by line)


for i in `cat...

I would like to append a string at the end of each row of a .dat file.
please give me some advice? Thanks.

e.g.
#content in abc.dat
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa...

It's great. Thank you.

Hi,


I have written a simple script to grep some lines from a text file with "awk".
e.g. cat <text> | awk ....
sample output:
1234567
890
I can get the result successfully.

However,...