The Korn shell (ksh) is a shell with advanced scripting features, commonly found on commercial unices and some BSD systems but rarely used on Linux.

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telnet command with custom timeout duration

I'm trying to execute telnet command and getting the out put on shell script. But when the port not open or the ip not exist. The command take too much time to give the response. Will it be possible ...
2
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1answer
62 views

Can a process bring itself back to the foreground on completion? (AIX/ksh)

I have a while loop to count to 5 and echo "Done" when finished. I want to be able to execute the script in the background with "&" and continuing issuing commands while it runs. But when it's ...
-2
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1answer
140 views

Shell script curl limit the try time for page not found

I found following code to check web url. if curl --output /dev/null --silent --head --fail "$url"; then echo "URL exists: $url" else echo "URL does not exist: $url" fi Here if the page not ...
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2answers
538 views

Subtract floating numbers in shell script

I'm trying to do some calculation in shell script with CPU usage. Which return floating point number. But when I subtract this number I'm getting error. See the following code and error. Code #!/bin/...
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1answer
47 views

make sure all lines in a textfiles don't have the same value

I have a text file that contain multiple lines. Some of the lines have contain same value. What I want is to make sure that all of the lines do not have duplicates or "triplicates". Sample: 2014-11-...
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1answer
172 views

Dynamic Variable in KornShell Script

This KornShell Script (ksh): envir=Dev eval "${envir}foo=bar" echo "$Devfoo" Output: bar But I will not know what value is assigned to envir variable. So I want to do something like this where ...
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1answer
109 views

Storage allocator out of space error on unix shell script

While running the script called abc.sh, following errors are thrown. abc.sh: line 226: storage allocator out of space on 64946176 byte request ( region 64329285632 segments 1981 busy 202:65087584:...
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1answer
78 views

How to make awk work in a while loop

input.txt: /usr/dir1/file1 /usr/dir1/file2 /usr/dir2/file4 /usr/dir3/file5 Script: cat input.txt |while read FILENAME do nawk '{print $1}' ${FILENAME} >> output.txt done Expected output: all ...
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2answers
108 views

Setting the title for Xterm with long paths

I have the following code in my .profile: case $TERM in xterm*) HOST=`hostname` PS1='^[]0;${USER}@${HOST}: ${PWD}^Gksh$ ' ;; *) PS1='ksh$ ' ;; esac ...
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1answer
45 views

Whats wrong with the 2nd script?

I am new to linux and scripting. I have some concerns regarding the script below which creates folder per line from file. Folder.list is located in /scripts/ . 1st script works smoothly but the 2nd ...
2
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1answer
100 views

Using directive and namespace aliasing with Ksh

Can I create an alias for a korn shell namespace? Is there anything like the using directive in C++ (bring several namespaces together and throw a (compiler) error if a symbol designation is ambiguous)...
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2answers
233 views

bash + how to hold shell scripts

Is it possible to hold/stop the bash script progress without to kill the process? ( by kill command ) or other command For example this script - install_linux_pkgs.bash , will install Linux pkgs ...
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2answers
41 views

How to open compressed file in less mode [duplicate]

How do I open a compressed file in less mode. I am able to grep using zgrep and using zcatI can open, but the file is big I want to open in less mode.
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vote
1answer
136 views

How to convert a generic xml format block to properties format String from an xml file using ksh script [closed]

With the conditions: I cannot use any XML parser tool as I don't have permission , read only My xmllint version does not support xpath, and I cannot update it , read only I dont have xmlstarlet and ...
1
vote
2answers
177 views

Unable to store ascii value in a variable

I am trying to convert hex to decimal to ascii and store it in a variable. I am using the following code. HEX=30 DEC=`printf "%d\n" 0x${HEX}` echo "$DEC" ASC=`printf \\$(printf '%03o' $DEC)` echo "$...
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vote
1answer
276 views

Passing multiple varibles to a script for SQL query

I have this script called info_code: #!/bin/ksh if [ $# -eq 0 ] ;then echo "Enter code : \c" read code echo "" else code=$1 fi code=`echo ${code} | tr '[a-z]' '[A-Z]'` echo "select * from ...
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votes
4answers
589 views

How to use and/or conditional in shell script

I have an if statement in a script. It looks like this: if [ "$a" != "0" -a "$b" != "100" ]; then #some commands here If I'm not mistaken, the line above will work if both conditions are true. ...
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1answer
344 views

Convert particular lines in a text file to bold [closed]

I have a text file with 100 lines in it. I want to convert particular lines, lets say line1, line6 , line27, line 48, line 86, line99 to bold. I am using solaris 5.10, with KSH. Is there a way I can ...
1
vote
2answers
147 views

concatenating file names in a variable

I am attempting concatenate file names to use in a ftp mdelete command. Each file name needs to be separated by a space in order for the mdelete command to work. The $i variable is in a loop and I ...
1
vote
1answer
179 views

How to respond in a prompt using exec channel of JSch

I need to respond to a prompt generated by a command, for example ssh hostname then a password prompt appears and the script must automatically enter the password after the prompt. I tried ...
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2answers
53 views

Unable to perform a simple multiplication in script

I am havingf trouble performing a simple multiplication in my script. while read A B C do tmp=$A\*$C/100 echo $tmp >> out1.txt done < foo.txt foo.txt: 13721725 99 100 ...
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4answers
99 views

tabs in variable not working

I have this lines that i will insert in a mail called "header". header=" ------------------------------------- Name\tAge\tGender\tAddress ------------------------------------- " Unfortunately, the \...
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5answers
2k views

How to delete files from a folder which have more than 60 files in unix?

I want to put a script in cronjob which will run in a particular time and if the file count is more than 60, it will delete oldest files from that folder. Last In First Out. I have tried, #!/bin/...
1
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1answer
181 views

How do I renice my login shell?

I'm on a multi user login-node, a front end node to a large national bioinformatics compute farm, running Linux. Many users misbehave by running computationally intensive jobs on the login-nodes. I ...
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4answers
366 views

Unix bash/ksh : Selection of first non space character from file from specific line

I have file file1.txt whose contents are as follows: Date List ----------- Quarter Date Year Date Month Date Now I want to read the non space elements from each row of ...
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2answers
35 views

Addition of values

foo.txt: Lillypaul_sg 204803 204803 204803 Ammy_sg 3 ramaswamy_sg 3 33 tommy_sg 3 3 137374 100 Desired Out.txt : Lillypaul_sg 614409 Ammy_sg 3 ramaswamy_sg 36 tommy_sg 137480 The output is a sum ...
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2answers
1k views

while read loop

I have a file like one below var 3 2014 string var1 4 2011 string4 var2 6 1999 string2 var3 1 2016 string6 Then i have this while read loop to compare one of the ...
6
votes
4answers
551 views

Is there a way to display all the scripts called from some other script?

I have a large number of scripts that I need to modify. Each script probably calls 5 to 10 other scripts, which in turn might call several other scripts, and who knows how deep that rabbit hole runs. ...
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2answers
46 views

Issue on awk input parameter in ksh

I am running this script: INPUTNAME=ABC.XYZ FILENAME="Sample.xml" awk -v inputName=$INPUTNAME ' /<machine.*name=/ { f=1 ; m=0 ; res="" } f { res = res $0 ORS } f && /...
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votes
1answer
163 views

How to implement awk range pattern in fetching an xml block when the input parameter is in the middle of the block

I am trying to fetch an xml block like this: <machine name="sample1" min="1" max="10" idleTime="300" backend="ABC,XYZ"> <handler className="com.abc.xyz.qwerty.foo.FooBar" /&...
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5answers
3k views

How to grep an xml block in an xml file using a keyword in ksh

I have a file Sample.xml which contains a lot of services inside it and the structure looks like this Notes: I cannot use any XML parser tool as I don't have permission , read only My xmllint ...
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3answers
119 views

How do I pass a series of patterns into awk from a shell script?

I've got a series of patterns stored in foo.txt and I want to iterate over those patterns and see which match lines in file bar.txt. while read PWW do cat user/dump/bar.txt | awk '/${PWW}/{print $...
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2answers
85 views

Substrings in shell script

Am trying to get a substring from a string but am getting the error: ${curr_rec:3:4}: bad substitution #!/bin/ksh get_file_totals() { if [ -e "$file_name" ] then IFS='' ...
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0answers
181 views

Avoiding heredoc sh[process_number].* files in /tmp directory

I have a .ksh file which logs into sqlplus and runs some queries. The block of code is something as mentioned below: //Other things done in ksh sqlplus -s @connect.sql << EOF Query1 Query2 ...
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4answers
314 views

Hexadecimal number sequence checker in Linux?

I have a list of hexadecimal number. I would like to check whether they are in sequence or not. That is, they should be consecutive numbers, in increasing order. In other words, there should be an ...
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2answers
930 views

use SFTP in shell script

I have written a shell script to get the files from another UNIX server. But files are not being copied. Could someone help me what I am doing wrong. sftp username@server:$path get ubpbilp* ./ mget ...
2
votes
2answers
103 views

Reliably identifying the path to the directory containing the running script

There are plenty of answers in SO to address this question: Can a Bash script tell what directory it's stored in? Unix shell script to find out which directory the script resides? And there are a ...
3
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3answers
70 views

Search a String in a directory- Get output without filename

I am executing the below command to display the lines which matches the pattern. find ./files/ -name "*.txt" -print0 | xargs -0 grep "5|20150507" And output is ./files/N1.942_0000.txt:78787878|...
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1answer
150 views

Solaris: How to run a system command on top of awk and combine all output in a single line

Have this peculiar requirement to print files in a given directory in the below mentioned format filename1 <type of file> owner group filename2 <type of file> owner ...
4
votes
2answers
256 views

Checking if a command is a built-in in ksh

How can I check if a command is a built-in command for ksh? In tcsh you can use where; in zsh and bash you can use type -a; and in some modern versions of ksh you can use whence -av. What I want to ...
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2answers
183 views

Read the file from one Unix server to the other Unix server

I have a Pro*C program which I run on Unix server a but the input file required for this program is on other Unix server b. Whenever I run I have to copy the file from server b to a. Is there any way ...
0
votes
1answer
142 views

FOR loop not looping

I have the below script that uses 2 for loops. for some reason they loop is not looping #! /bin/ksh CURR_PATH='/main/nedcor/flexcube' cd $CURR_PATH for DIR1 in 'WIP' 'INPUT';do echo $DIR1 ...
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votes
6answers
5k views

How can I safely get the version of ksh?

How can I safely get the version of ksh from within a ksh script? I have seen the following solutions: ksh --version echo ${.sh.version} echo $KSH_VERSION And given the right circumstances, each ...
1
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1answer
128 views

Is it possible to get working history for multi-line commands in mksh, using vi editing mode?

On my Debian systems, I have always used pdksh as my interactive shell. Originally, command-line history behavior was similar to what I grew up with on platforms like AIX and Solaris. Recently, ...
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1answer
171 views

How to avoid executing a command if a process doesn't exist

In a korn shell script, I am running expdp. I have made the script to where it can be reusable so if a later process fails, I can run it again without running the already completed steps. I am running ...
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1answer
93 views

ksh: Not importing prompt settings from /etc/profile

I am using SUSE Linux Enterprise Server 11 SP3 and I am facing an issue related with a user using ksh. I have created a user as follows: testenv:$2y$10$vjUVUejLhMGoTn2CHPqmU....
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1answer
184 views

Retrieving prompt information in ksh?

If there is a prompt being read for a value such as: #!/bin/ksh echo "What is your name?" read name username=$name rcmd machine1 grep $username /path/locnames >> namefile rcmd machine1 cat ...
3
votes
4answers
178 views

Shell usage of “:-” and advantage

I found this line in a korn shell script: var=${var:-/temp} I am able to figure it out what it is doing $ var=/data $ var=${var:-/temp} $ echo $var /data $ var= $ echo $var $ var=${var:-/temp} $ ...
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2answers
106 views

Enabling completion with tab on an old ksh on SystemV

Is it possible to make completion with Tab like in bash? Currently I use Esc twice, can this be changed to a tab?
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1answer
388 views

How to create a script that merges two files to get a specific output in the korn shell? [duplicate]

I'm currently working on trying to merge two files together on unix and I REALLY need help. I'm very new to Unix (and this site) and would appreciate any assistance. first file: Tom 313.455.6786 ...