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10-15-2007
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ksh - test if string contains alphanumeric...
Okay I will let users input spaces as well
 I am having a mental block. I have done a couple of searches but havent found anything that I understand (the likes of :alpha: and awk). Basically I want to give the user an option to enter some text which will go down as a field within a flat file ( which is delimeted by : ). I want to limit this to 50 characters (I believe I can use typeset -z50 for this) I also just want a-z,A-Z,(spaces) and numbers. Whats the best way to validate the input? |
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