All Questions
168 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
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
3votes
1answer
93views
How does my function break `functions`?
I wrote a ksh function for git checkout (I've removed some irrelevant proprietary components for the sake of the public question, if you're wondering why it's useful to me): # Checkout quicker ...
- 331
-2votes
1answer
244views
"for" loop is not executing on the remote server using SSH
The below "for" loop works locally on the same server. But when triggered through "ssh" protocol on remote servers, the output is not received. Please, can anyone suggest how to ...
0votes
2answers
795views
Bash and other shells $(...) remove the ending newline character [duplicate]
Why the shell structure $(...) removes the ending newline character? #!/bin/bash S='a b ' printf '%i [%s]\n' "${#S}" "$S" T=$(printf '%s' "$S") printf '%i [%s]\n' "...
2votes
1answer
465views
if var='value' then in Zsh: Is it really a valid syntax without semicolon?
The following code works on Zsh 5.8 that I tried, despite the missing semicolon. But is it really a valid Zsh syntax? #!/bin/zsh if var='value' then echo 'then' fi Without an assignation that ...
0votes
1answer
492views
Switch user using EOF does not work su - ${instance} <<'EOF'
I am running a ksh script from root where I switch (su) to different users and execute the commands. But, some reason EOF does not. Here is part of my code. This part of the code does not work su - $...
-3votes
1answer
459views
Awk variable passing error
Below works fine: awk '{print $1,$2,$3,$4,$5,$6,$7,$8,$57,$9,$55,$10,$11,$12,$56,$13,$53,$14,$15,$16,$17,$18,$19,$20,$21,$22,$23,$24,$25,$26,$27,$28,$29,$30,$31,$32,$33,$34,$35,$36,$37,$38,$39,$40,$41,...
- 1
0votes
1answer
268views
how to check for specific string in a file named abc.txt and write that missing string to another file (xyz.txt) using a shell script?
For example, generally I need to check for 5 strings. (Note : the strings are in file format .txt) file1.txt file2.txt file3.txt file4.txt file5.txt but there are 3 strings in abc.txt file1.txt ...
1vote
1answer
475views
Read content of file in ksh and split it by ','
My file.txt contains the following content:- ./raw_input/0009/img.raw,./raw_input/0009/calib.raw
-1votes
1answer
577views
One master ksh file to call 2 ksh script files [duplicate]
I have 2 ksh (korn shell script) : file1.ksh and file2.ksh; and I want to have a master file ksh script that will call the 2 files; what's the code I have to put in my master file? Thanks
- 1
0votes
3answers
1kviews
Script to keep the latest 5 files and rest will be moved to other destination
Source path: /var/log/ Here I have 4 folders named ad1nrld,ad2nrld,icp1rmnrl,icp2rmnrl I can move all the files to the other destination named /home/spsy/logs_bkp. But I want to keep latest 5 files in ...
- 2,962
