1
vote
3answers
92 views

How to get a response from any URL?

I have been asked to write a shell script To check if a URL is UP/Working or not for my Project. I tried to find some hints over the internet, but whatever I got is about checking whether the URL ...
0
votes
1answer
96 views

Copy a file from a remote server to windows home using scp

Is there a way to copy a file from a server to a local folder (i.e. My Documents)? can it be done by scp? I have this script that generate some list. I want this script to automatically copy the ...
0
votes
0answers
30 views

How to capture INFORMIX DB errors in shell script?

I need to capture the informix DB errors like Update failed, Insert failed using the shell script. I am using ksh shell.
3
votes
1answer
71 views

How do I use sudo to run multiple commands as another user within a portion of a script?

I'm trying to run the following: if [! -f .owner ]; then creator=$(whoami) sudo -u appuser ksh echo "$creator" >> .owner mkdir test1 test2 test3 exit fi However, the ...
3
votes
5answers
129 views

Get values block by block in same file

I have a file say "SAMPLE.txt" with following content, P1 10,9:6/123456 P2 blah blah P1 10,9:5/98765 P2 blah blah P1 blah blah P2 I want a output file say "RESULT.txt" as, Value1:123456 ...
1
vote
1answer
1k views

-ksh: revenue_ext.ksh: not found [No such file or directory]

I am getting the same not found [No such file or directory] error when trying to execute a ksh script. Read tips about the PATH and running the script with a ./ in the posts here and here and tried ...
1
vote
1answer
69 views

Using kornshell or Perl to circumvent permissions needed by root

I have a problem where I need to change the ownership and permissions of one file that exists on more than 200 servers. I belong to 2 different groups and need to change the ownership from one group ...
0
votes
1answer
630 views

is there a “goto” like command in ksh

Here is my script: #!/bin/ksh #this is where I want to go again if user enter #an answer other than "yes or no" echo "yes or no?" read ans case $ans in [yY]*) echo "yes" ;; ...
1
vote
1answer
32 views

Problematic quotations

#!/bin/ksh typeset FILE_SIZE1=$(stat -f '%z' test.txt); typeset -r BK_STATARGS="-f '%z'" typeset FILE_SIZE2=$(stat ${BK_STATARGS} test.txt); echo without arg var ${FILE_SIZE1} echo with arg var... ...
2
votes
2answers
87 views

Help with 64-bit integers in scripts?

Maybe I'm overthinking this (although I don't think I am)....or maybe there's a neater way of solving my problem ? I have a requirement that if a file is larger than 1GB, it gets split into smaller ...
0
votes
3answers
2k views

Convert Month Number to Month Name

is there a way to convert month number to name? example: 2013-10-22 will become Oct 22 I don't have the GNU date and my OS is AIX.
0
votes
2answers
112 views

Shell script to find what package provides a file on OpenBSD

# for i in `pkg_info -q`; do pkg_info -L "$i" | grep ^/ | sed "s/^/$i/g" | perl -pe 's/\//\t\//'; done | grep tasklist.desktop xfce4-panel-4.10.0p2 ...
0
votes
0answers
26 views

Variable Substitution in sed [duplicate]

I have this script and I need to count the lines inside a file, then pass the number of lines counted to a for loop so that I can get the contents of each line and put it in a variable. My question ...
4
votes
1answer
147 views

returncode of command in a pipline [duplicate]

The following script runs on Solaris using /bin/ksh and on Linux using /bin/sh cmd | tee -a cmd.log | tail exit $? The output of cmd is saved in a file cmd.log and the last lines are displayed on ...
6
votes
5answers
7k views

Delete First line of a file

How can I delete the first line of a file and keep the changes? I tried this but it erases the whole content of the file. $sed 1d file.txt > file.txt
2
votes
2answers
112 views

Awk not rendering any result

My goal is to get the file created in the current month in a directory. It seems that the command is correct but not rendering any result: Date=`date '+%b'` echo $Date Oct ls -l | awk -v d="$Date" ...
1
vote
4answers
264 views

Reusing a variable

I was breaking my head for a day still not successful. I have this script: #!/bin/ksh fname=$1 for batchname in $(grep -i "Processing batch" $fname | cut -d "'" -f2) do Batch_state=`grep -c -i ...
3
votes
2answers
164 views

Getting the complete command line that caused an ERR , while trap

How do I make trap to return the command that caused an ERR? $function err_handler() { echo "$0 caused the error"; } $ trap err_handler ERR $ grep -ci "failed" test4 &>/dev/null -bash caused ...
1
vote
1answer
476 views

Error out shell script if plsql program fails

In the shell script, I am calling a PLSQL stored procedure sqlplus -s <<EOF $v_fcp_login set head off feed off serverout on size 1000000 exec ...
4
votes
1answer
374 views

Scoping variables in ksh

In ksh, I have two variables with the same name , one global , other one is local to a function #!/bin/ksh LOG_FILE=lf function exec_script { local LOG_FILE=f print $LOG_FILE } exec_script ...
7
votes
2answers
442 views

What does this ${@:2} mean in shell scripting

I see this in a shell script. variable=${@:2} What is it doing?
1
vote
2answers
3k views

How can i run a part of a script as a different user?

#!/bin/ksh (some code) Log=~/my.log chown USER1 filename su - USER1 -c " date | tee -a ${Log} 2>&1; cd /blah/blah if [ SOMECONDITION ] then sh ./somescript.ksh > logfile fi exit" | tee -a ...
1
vote
1answer
138 views

why csv is consuming more file size in my unix script?

I'm using this unix script which it is fetching records in the form of csv. I have a SQL query used for this purpose. It contains below information SET PAGESIZE 5000 SET COLSEP "," SET LINESIZE 2000 ...
2
votes
2answers
251 views

Writing scripts that use different commands in different shells [duplicate]

How can I write a script that is shell independent? I want to be able to run one script which will run in ksh, sh and bash. For example: If I have a line in my script like whence ls which will run in ...
2
votes
1answer
246 views

how to replace IP address on remote host using expect

I wrote the following expect script in order to replace the IP address on remote Linux machine I use a perl one-liner for this task I get errors about can't read "HOME": no such variable , Please ...
4
votes
3answers
1k views

Preventing propagation of SIGINT to Parent Process

Considering a scenario where a Parent program (could be a C++ program or a Shell Script) executes a Child shell script, when we hit Control+C (or whatever character is configured to be the INTR ...
2
votes
2answers
143 views

ksh + delete number from string

the string IP include some IP address numbers as the following example echo ${IP[*]} 192.9.200.1 192.9.200.2 192.9.200.3 is it possible to remove some IP address number from the list ( using ksh ...
1
vote
2answers
270 views

perl one liner + how to match IP address that located in the first/sec field of file

the following perl one liner syntax verify if IP address in "$IP" match the IP ADDRESS in file perl -ne 'BEGIN{$IP=shift} print if /(^|\s)\Q$IP\E(\s|$)/;' $IP file file have two fields as the ...
1
vote
1answer
2k views

Comparing file times in ksh

I have developed a script which will compare two dates. #!/bin/ksh #################################################################### # #DECLARING ALL THE VALUES AND PATHS # ...
4
votes
2answers
4k views

How do I capture the return status and use tee at the same time in korn shell? [duplicate]

Consider Source code: 1. Parent.sh #!/usr/bin/ksh # No tee ksh Child.sh; exit_status=$?; echo "Exit status: ${exit_status}" # Using tee ksh Child.sh | tee -a log.txt; exit_status=$?; echo "Exit ...
4
votes
4answers
373 views

linux + how to ignore (filter) file with space

Sometimes a file name is created from a couple of names and space between each name as the following: $ touch "A B C" $ ls A B C <-- one file but has three words ! ...
0
votes
2answers
102 views

perl one liner + print VALUE in the end of the line

The following perl one liner checks if $CURRENT_VERSION matches $NEW_VERSION exactly, and prints it if it does. Example: CURRENT_VERSION=223.3.12.4.5.3 NEW_VERSION=223.3.12.4.5.3 DATE=17.3.2013 ...
0
votes
1answer
230 views

Solaris 10, Shell Script, Cursor movement [closed]

#include <signal.h> #include <unistd.h> #include <stdio.h> #include <sys/types.h> #include <time.h> void prtime() { time_t rawtime; struct tm * ...
1
vote
2answers
1k views

case + how to implement equal or less or greater in case syntax

My target is to verify a range of number with (only with case + esac), and print the range. So for example: If the number is between 0 and 80, print >=0<=80 If the number is between 81 and 100 ...
2
votes
1answer
2k views

Bash vs ksh pipes

I am stuck with some problems with my scripts in ksh. FWIW the problem which I am unable to overcome is that when I use a structure such as this command | while read VAR1 do many.commands using ...
1
vote
1answer
766 views

Reading the contents of the file and splitting using ksh

We're using a ksh script for installing one product. I've another config file, I'd need to read this configuration file from my main script Content of the Configuration file: ...
1
vote
3answers
550 views

linux/solaris + verify duplicate valid IP address from file

what the best way to find duplicate IP from file ( I have ksh script in this script I need to write function that check for duplicate IP ) for example if IP - 192.1926.23.52 exists twice in file - ...
3
votes
1answer
976 views

Capture screen content for error parsing

I am a database administrator working with DB2 on AIX. (Please continue to read as this is related more to ksh than DB2, otherwise I would have posted this over on dba.stackexchange.com.) I am ...
3
votes
2answers
747 views

Error when subtracting two negative numbers in ksh: “assignment requires lvalue”

I am trying to debug someone else's script: The code line is: y=$((${oldvalue[$x]}-${newvalue[$x]})) y gets calculated fine as long as both sides are positive numbers. However, I have a ...
1
vote
1answer
583 views

Linux + replace STRING/WORD in file according to rule

My target is to replace any word/string/Any characters in file with new word/string according to the following rules: If numeric characters on the left side of word/string then we not replace the ...
0
votes
1answer
384 views

linux + perl + replace any WORD in file with special characters with condition

Example1 work fine when I want to replace OLD_TEXT with NEW_TEXT ( its replace also all special characters as $@^%)(_+`:; etc ..) example1 export OLD_TEXT='$$OLD_WORD$$' export ...
2
votes
2answers
896 views

Regex for phrase matching with case statement in ksh

I am trying to start or stop a service on AIX in ksh. I am trying to start to build in fool proofing for checking things like if the services is already down, etc. Here is my script #!/bin/ksh ...
3
votes
3answers
998 views

What does exit do in an if block in a shell script?

I have a question regarding unix shell script. Say if you do exit 1 in inner if: will it exit or will it still execute the outer if? The following is a dummy example. if [ "$PASSWORD" == ...
10
votes
4answers
3k views

Executing user defined function in a find -exec call

I'm on Solaris 10 and I have tested the following with ksh (88), bash (3.00) and zsh (4.2.1). The following code doesn't yield any result: function foo { echo "Hello World" } find somedir -exec ...
2
votes
3answers
985 views

Timeout `idql` command in ksh

I probably read all the threads in almost all the forums for a solution to my need. I am a beginner in shell scripting and I dont have a perfect solution yet. Below is my code snippet. idql -n ...
1
vote
1answer
1k views

Do shells support recursion?

I'm trying to write recursive functions in my shell scripts. Consider the following code: function printA { if [[ "$1" = 0 ]]; then return else echo "a$(printA $(("$1" - 1)))" ...
5
votes
4answers
4k views

Use a variable reference “inside” another variable

I'm sure it is relatively simple, I just don't know how to do it. #!/usr/bin/ksh set `iostat` myvar=6 I want to something like echo ${$myvar} which i want interpreted as ${$myvar} -> ${6} -> value ...
2
votes
1answer
424 views

KSH styling text based menu using STDERR

Is it possible to format the STDERR in order to have a better looking menu using the select command? I have a simple select select oChoice in $(<tempMenu.menu) ; do case "$oChoice" in ...
20
votes
2answers
748 views

Why escape trivial characters in shell script?

I just opened a legacy shell script (written in old ksh88 on Solaris) and found the following repeated all throughout the code: [ -f $myfile ] && \rm -f $myfile The escaping backslash ...
4
votes
3answers
4k views

How to get subshell's PID in Korn Shell (equivalent of $BASHPID)

In bash you have this handy variable: $BASHPID wich always returns the currently running subshell's PID. How can I get a subshell's PID in ksh? For example see the code below: #!/usr/bin/ksh93 echo ...