2015年4月8日 · The problem with that style is that the two forms aren't equivalent. When you use: if command; then foo else bar fi

2015年5月2日 · KSH_VERSION was not implemented in ksh93 before version 93t. It will be set in mksh, pdksh, lksh. So for checking the version of ksh, we can try these steps: Checking KSH_VERSION to detect mksh, pdksh, lksh; If first step fails, try a feature that's different between ksh93 and ksh88/86 (Let David Korn show us). With these in mind, I will go with:

2015年6月19日 · @Otheus, the [utility is built in ksh (on some systems, /bin/test is even implemented as a ksh script). [[doesn't invoke the test utility. There are subtle variations between every [/test implementations. Posix is a standard body.

2018年8月21日 · To assign the separate words that a command outputs to an array in ksh, you may do. array=( $( mycommand ) ) This would run mycommand (that awk command in your case), and the output of that command would be split into words on whitespaces (spaces, tabs and newlines by default, which is the contents of the IFS shell variable).

In a log file, I need to print the Elapsed time, in the following format: "Process completed %s - Elapsed %s", <time now in HH:MM:SS format>, <difference from start date to end date in HH...

2016年9月26日 · I have a string: one_two_three_four_five I need to save in a variable A value two and in variable B value fourfrom the above string I am using ksh.

2022年6月2日 · (I tested the above scripts with Bash and the version of ksh93 I had on Debian. I'm not exactly that familiar with ksh, so I may have missed something. But Bash's arrays are copied from ksh, so I expect it should work correctly in both.)

2016年10月25日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Note that there are several implementations (and versions thereof) of ksh: AT&T ksh88 (as found in most commercial Unices), AT&T ksh93 (made open source in 2000, sometimes found as dtksh on commercial Unices and as an optional package on opensource unix-likes), pdksh and its derivatives (MirBSD ksh, OpenBSD ksh) which was the only ksh available ...

2014年7月16日 · ksh: ./ksh_experiment.ksh: not found [No such file or directory] Now, cat -v ksh_experiment.ksh too produced the same output. Also, if I typed vim ksh_experiment.ksh, a new file was getting opened. As discussed in the answer of the link that I provided, I removed the carriage returns using the command, perl -p -i -e "s/\r//g" ksh_experiment.ksh