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string_operations

36 Treffer, Zuletzt geändert: vor 9 Monaten

lue 6. The other operator (${#array[*]}) has to do with array variables. ==== String Length ==== <co... ed from the right. These operators can be used to do a variety of things. For example, the following s... file extensions, not filenames for i in *.html; do if [ -f ${i%l} ]; then echo ${i%l} already ... message. export foo="one" for i in foo bar baz; do eval echo \${$foo:?} one bash: bar: parameter nul

monitor

1 Treffer, Zuletzt geändert: vor 9 Monaten

) { #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 9 Monaten

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