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string_operations

9 Treffer, Zuletzt geändert: vor 3 Monaten

rt $foo="this is a test" echo ${foo%%t*is} NOTE While the # and % identifiers may not seem obvious, the... /etc/passwd | ( \ IFS=: ; while read lognam pw id gp fname home sh; \ ... "tab," and "newline. After that we see a typical while read loop -- where we read values from each line ... cript with a return code of one. Oddly enough -- while it is easy to redirect the standard error of proc

monitor

1 Treffer, Zuletzt geändert: vor 3 Monaten

t () { #ls -l #sleep 1 # more elegant: watch -n 1 "ls -l" } while true; do list | grep $1 done </code>

test

1 Treffer, Zuletzt geändert: vor 3 Monaten

(no output) # No, that's not it. # Apparently && and || "short-circuit" while -a and -o do not. </code>