Questions tagged [ksh]
The Korn shell (ksh) is a shell with advanced scripting features, commonly found on commercial unices and some BSD systems but rarely used on Linux.
830 questions
8votes
1answer
239views
bash or ksh 'vi' mode - How to jump to end of history (most recent command)?
I am a long time ksh user, and use bash under duress - both in 'vi' editing mode. One thing that has always niggled - after searching back through history for a command (.e.g <Esc>/needle), how ...
- 308
-1votes
1answer
62views
"history -0" works in ksh, why doesn't "history -0" work in zsh?
Why does ksh history -0 (last command which is the history command itself) work, yet zsh it fails (only history -1 avail on my zsh). I tried zsh -f to use default options and it still fails. I'm ...
- 49
0votes
1answer
44views
ksh: how to capture the current invoked command and arguments?
How do I obtain a variable with the current command and arguments? I would like to use escape code to print this in an Xterm title bar. I see Terminal.app on MacOS is determining the name of the ...
- 49
3votes
1answer
202views
zsh: History is skipping commands and integers+, how to correct this?
Does anyone know what's occurring with zsh below and how to get the same behavior I show with ksh and bash? I'm noticing zsh on MacOS v13.7 is skipping even commands numbers in its history output, ...
- 49
0votes
0answers
22views
Shell: redirecting output to /dev/tty and another file in a script? Not having to retype ending?
How do I accomplish this command to redirect command output to multiple files, without retyping the later A=1>&/dev/tty 1>&${TMP}/lastcmdout every time? I want to see output on the ...
- 195
0votes
0answers
33views
Can't use combination of parentheses and variables in scripts [duplicate]
I have problems with replacing parentheses in combination with variables, in ssh. For instance, replacing (hello123blablabla) with (hello). So, it replaces all together, and parentheses as well, at ...
- 101
-4votes
1answer
58views
how to check if a large script is only using full paths for the used cmd inside it?
to make a script more secure, we would need to confirm that used cmds, eg.: "/usr/bin/chown" instead of just "chown".
1vote
1answer
17views
Running a command before running user input in ksh
I'm running Korn 93u+ and I want to echo the current time each time I enter a command. I currently just put the time in my PS1, but that's obviously flawed because if I leave the command line for some ...
- 331
0votes
1answer
34views
xutils.sh in open sourced CDE?
I am reading a book about dtksh. The first "hello world" example begins as follows: #!/usr/local/dt/bin/dtksh . $UTILDIR/xutil.sh XUinitialize TOPLEVEL Hello "$@" XUlabel LABEL $...
- 621
5votes
1answer
303views
How to determine what is opening tmp files when I invoke a subshell with ksh
I'm experiencing extremely sluggishness in opening subshells (by using ` ` or $( ) command substitutions in scripts) while in ksh on some Linux servers. The same problem does not exist in sh or any ...
- 183
3votes
2answers
100views
Simulated Execution of Redirections
My shell is the Korn Shell, but I think the problem (and its eventual remedy) applies to other shells as well. I usually build a "simulation mode" into my scripts to test potentially ...
- 582
1vote
1answer
231views
Unknown file called 1
I regularly have a file created without wanting to do so. It is not traced by git in my project. It's just called 1 and contains only true What should I check to know what causes this file to be ...
- 159
0votes
1answer
88views
Cut command failing
We have a ksh Script that is suppose to give the output as last day of the month but when ever we run it we get the below error: cut: fields are numbered from 1 Try ‘cut —help’ for more information, ...
0votes
3answers
203views
Find command slow when I'm not piping into awk
I have a script I've used for many years for building a list to some directories, with the following lines: ##Find all scenarios for this sector number find /gsgt/source/scenarios/AT_* -name ${...
- 113
1vote
1answer
77views
ksh: How to execute command before user input is executed?
I want to update the window title to the name of the command currently being executed in a terminal running ksh. In bash I could use a special signal trap trap __update_title DEBUG In zsh I could use ...
- 152
