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string_operations

27 Treffer, Zuletzt geändert: vor 17 Jahren

the beginning It's important to understand that these use shell "globbing" rather than "regular expressions" to match these patterns. Naturally a simple string like "txt" wi... card in your pattern. A simple example of using these operators comes in the common question of copying... ectory. Another interesting thing we can do with these "parameter expansion" features is to iterate over... ) Here we see the parentheses used to isolate the contents in a subshell -- su

test

5 Treffer, Zuletzt geändert: vor 16 Jahren

]</code> ---- < is less than (within double parentheses) <code>(("$a" < "$b"))</code> ---- //<=// is less than or equal to (within double parentheses) <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> ==== string com