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string_operations

847 Treffer, Zuletzt geändert: vor 17 Jahren

t and to play with until the next article. If you're interested in more hints about bash (or other stuff I've written abo... t and to play with until the next article. If you're interested in more hints about bash (or other stuff I've written abo... ming task. If we used #*/ instead of ##*/, the expression would have the incorrect value dave/pete/fred/bob, because the shortest instance of "anything ... 1), does essentially the opposite of basename: it returns the directory prefix only. It is equivalent to the Korn shell expre

test

36 Treffer, Zuletzt geändert: vor 16 Jahren

heses) <code>(("$a" <= "$b"))</code> ---- > is greater than (within double parentheses) <code>(("$a" > "$b"))</code> ---- //>=// is greater than or equal to (within double parentheses) <code>(("$a" >= "$b"))</code> ==== stri... -- -n string is not null. Caution The -n test requires that the string be quoted within the test bracke... omparisons === <code> #!/bin/bash a=4 b=5 # Here "a" and "b" can be treated either as integers or strings. # There is so

monitor

3 Treffer, Zuletzt geändert: vor 17 Jahren

====== Directory/File Monitoring with Bash ====== <code> #!/bin/bash # File Monitor # function list () { #ls -l #sleep 1 # more elegant: watch -n 1 "ls -l" } while true; do list | grep $1 done </code>