1. UNIX for Advanced & Expert Users

Hi all, I have a ascii text file like this : $cat a.txt abc |12343 |xyakdfj | x |323 || kr1 |13434343|234343 | Is it possible to to get the file eleminating blank spaces? output file : abc|12343|xyakdfj| x|323||... (7 Replies)

2. Shell Programming and Scripting

hi, I was trying to write a miniature shell (ie, command line interpreter) to implement the features like 'IO Redirection' and 'Pipe line fileters'. Can anyone help me with sample shell sript to implement the above features. cheers supong (2 Replies)

3. Shell Programming and Scripting

Hi, I have a script called sam.sh which consists of a single echo statement like this #/usr/bin/ksh echo "Mani" I changed the mode for the script by giving chmod a+x sam.sh. If I want to execute the scrpt by just giving the name at the command line "sam.sh", what should I necessarily do?... (3 Replies)

4. Shell Programming and Scripting

Hi, Can anyone please tell me what these lines do? ls >& outfile ls outfile 2>&1 Thanks. (1 Reply)

5. Shell Programming and Scripting

Hi, While reading a shell script ,i have come accross the following statements. script_name_full=$0 ***script_name=${script_name_full##*\} ***script_name_noexst=${script_name%%\.ksh} host_name=`hostname` ***host_name_short=${host_name%%\.*} can anybody tell me what is the purpose of marked... (5 Replies)

6. UNIX for Advanced & Expert Users

hi, i need to clear data off a DOA backup drive. i try this, but just get a file {} in . and no change on the backup drive. bash shell find /mnt/usbbackup -xdev -type f -exec echo `date` > {} \; any ideas? thanks. :) (1 Reply)

7. Shell Programming and Scripting

Hi all, Actually i need to know whether there is any way to redirect the output of shell operations into any file without pipe . Actually my problem is , i run some command & its result is displayed on shell after some calculations on shell, so if i redirect its output to file, it is not... (5 Replies)

8. Shell Programming and Scripting

Hi Guys, I have a script for which the stdout and stderr should be redirected to a log file, they should not be printed on the screen. Could you please let me know the procedure to redirect the output of the script to a log file. Thanks in advance. --- Aditya (5 Replies)

9. Shell Programming and Scripting

Hello All, I am setting up a cron job, where i am calling a shell script to make few builds. I got struck at a point, need some expert inputs to proceed further. The script is categorized in 5 parts and in the last part while building software it asks for few questions like:- 1. Build mode... (4 Replies)

10. Shell Programming and Scripting

OS : AIX 6.1 Shell : Korn in the url https://forums.oracle.com/forums/thread.jspa?threadID=361463&tstart=0 I came across a crontab entry example 00 23 * * 1,3,5 <complete shell script path> 1> <log file> 2>&1 From googling , I gathered that 0 - stdin 1 - stdout 2 - stderr I... (5 Replies)