All Questions
5 questions
1
vote
2
answers
239
views
bash, pass an argument to the 'history' command
I do the following to make history more sensible (i.e. seeing when a command is run can be fairly critical when troubleshooting)
shopt -s histappend; # Append commands to the bash history (~/....
- 651
0
votes
1
answer
176
views
Access last command of history within a function [duplicate]
I'm trying to create a function that will echo the previous to last command from the current terminal. This is the expected output (here I call the desired function f):
$ history 1
history 1
$ f
...
- 232
1
vote
2
answers
68
views
How to improve function for simplifying history command
I came up with this snippet to simplify use of history and prevent flooding of the scroll buffer:
h() {
if [ $# -eq 1 ]; then
history | grep $1 | tail -n $(expr $(tput lines) - 1)
...
- 2,449
0
votes
2
answers
125
views
Why must you be careful when using Bash's built in command history function to re-run previous commands that contain variables?
I know !! re-runs commands but what exactly would occur if I re-ran a command that had a variable in the command?
- 205
3
votes
2
answers
348
views
How to show last command with expanding function in bash
I'm using function like this.
$ find-grep () { find . -type f -name "$1" -print0 | xargs -0 grep "$2" ; }
After I type:
$ find-grep *.c foo
I want to get expanded last command string. In this case:
...
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