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| B A S H C H E A T S H E E T | |
| to page output forward (only): command filename | more | |
| to page output forward & back: command filename | less | |
| to print a dataset: lp datasetname (-d printerid) (-o landscape) | |
| USE OF QUOTATION MARKS | |
| echo "$varname" = echo The value of \$varname is \"$varname\" | |
| = echo "The value of \$varname is \"$varname\"." | |
| $fred='Four spaces between these words.' |
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| let regex; | |
| /* matching a specific string */ | |
| regex = /hello/; // looks for the string between the forward slashes (case-sensitive)... matches "hello", "hello123", "123hello123", "123hello"; doesn't match for "hell0", "Hello" | |
| regex = /hello/i; // looks for the string between the forward slashes (case-insensitive)... matches "hello", "HelLo", "123HelLO" | |
| regex = /hello/g; // looks for multiple occurrences of string between the forward slashes... | |
| /* wildcards */ | |
| regex = /h.llo/; // the "." matches any one character other than a new line character... matches "hello", "hallo" but not "h\nllo" | |
| regex = /h.*llo/; // the "*" matches any character(s) zero or more times... matches "hello", "heeeeeello", "hllo", "hwarwareallo" |