You can use rsync with the -n flag to find out if the files are in sync, without actually doing a sync. For example, from server1: rsync -n -avrc /abc/home/sample1/* server2:/abc/home/sample2/ This will print the names of all files (recursive, with the -r flag) that differ between server1:/abc/home/sample1/ and server2:/abc/home/sample2/ rsync used parameters explanation -n, … Read more
dt=$(date –date yesterday “+%a %d/%m/%Y”) echo $dt
You can use the “-r” option to set the sender address: mailx -r me@example.com -s …
I think trap 0 is executed just prior to script termination in all cases, so is useful for cleanup functionality (like removing temporary files, etc). The other signals can have specialized error handling but should terminate the script (that is, call exit). What you have described, I believe, would actually execute cmd twice. Once for … Read more
In bash, read can do it: read -n1 ans
If you want test.log, test2.log, and file2 then: find . -type f If you do not want file2 then: find . -maxdepth 1 -type f
If you’re using GNU find, then find path -printf “%f\n” will just print the file name and exclude the path.
ipcs -mb | tail +4 | awk ‘{ sum += $7 } END { print sum }’ Or without tail: ipcs -mb | awk ‘NR > 3 { sum += $7 } END { print sum }’ Using awk with bc to have arbitrary long results (credits to Jouni K.): ipcs -mb | awk ‘NR … Read more
Below is the fixed code: #!/bin/ksh safeRunCommand() { typeset cmnd=”$*” typeset ret_code echo cmnd=$cmnd eval $cmnd ret_code=$? if [ $ret_code != 0 ]; then printf “Error: [%d] when executing command: ‘$cmnd'” $ret_code exit $ret_code fi } command=”ls -l | grep p” safeRunCommand “$command” Now if you look into this code, the few things that I … Read more
In bash: path=/this/is/could/be/any/path/abc.txt If your path has spaces in it, wrap it in ” path=”/this/is/could/be/any/path/a b c.txt” Then to extract the path, use the basename function file=$(basename “$path”) or file=${path##*/}