linux - advanced unix command-line trick -


i want regarding unix command line.

in command line if type command date; konsole should automatically execute ls , execute date. example: if type date interface should ls ; date. can alias want not date every other command also. if don't supply command , press empty enter should execute ls.

i tried confugiring in set prompt variable. didn't got , variable not reloading automatically. need help

and advance thanks,

lakshmi prashanth

are using konsole terminal emulator , tclsh interactive shell? if so, former irrelevant , latter interesting tool choice. more likely, running bash interactive shell, in case can add trap on debug. test behavior type:

trap ls debug

after executing in bash, in shell only, ls executed before every command. if behavior want, set trap in ~/.bashrc.

note bash specific. other shells have different mechanisms getting behavior.


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