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In my opinion if-then-else is easier to read for someone who writes in any other language. But my recommendation would be to use the short notation (with && or ||) only for one-liners with only one of the && and ||. Some code like [[ -d mustExist ]] || errorFunction "Dir mustExist is missing" [[ -f toBeSend ]] && sendFile toBeSend if [[ -d sometimes ]]; then writeTrueBlock else writeFalseBlock ...

This works perfectly for bash, but I am using ksh. I tried the above idea with ksh , replacing history 1 with fc -nl -1 inside my ksh script, but it said "fc: history functions not available" , which I ll post as a separate questions.But, this answer is right.

ksh difference between $ and $ {} Ask Question Asked 11 years, 6 months ago Modified 5 years, 4 months ago

So, a child process in bash. From reading the man pages for bash, it is obvious that another process is created for a sub-shell, however it fakes $$, which is sneeky. Is this difference between bash and ksh expected, or am I reading the symptoms incorrectly? Edit: additional information: Running strace -f on bash and ksh on Linux shows that bash calls clone twice for the sample command (it ...

早期的后牙有蛀牙是没有明显的龋洞，大多在咬合面有黑色的勾线，很多患者都以为那是色素沉着，洗牙时总是要求尽力把那洗去，殊不知那其实已经是龋坏。 龋齿发展的三个阶段 龋齿的发展一般分为三个阶段，在这三个阶段吃苹果分别会有什么反应呢？一起来看一下吧。 1、浅龋 沟壑内附着细菌 ...

Yes you are right.There were ^M characters within the file that were not easily visible to the naked eye. Gave dos2unix revenue_ext.ksh and it worked:)

I am not new to *nix, however lately I have been spending a lot of time at the prompt. My question is what are the advantages of using KornShell (ksh) or Bash Shell? Where are the pitfalls of using...

$ bash jimmy-cao@jimmycao-ThinkPad-Edge:~$ ksh $ bash可以使用tab键补全，ksh貌似不能 二、使用上的具体区别 (1) 在ksh是，数组的index只能从0到1023，而bash中没有这样的限制。 (2) ksh与bash初始化数组的语法不同： 如下所示 icymoon# ksh icymoon# set -A array 1 2 3 4 5; echo $ {array [3]}; 4 ...

@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.