append a text to a file every month

depakjan · #1 (**permalink**) 06-30-2009

i have something like below in my SAS code and every month i need to append a text say 'ext.hlc_sum0906' near ext.hlc_sum0905 and next month after ext.hlc_sum0906 i need to append this 'ext.hlc_sum0907' and so on like that.. is it possible using SED or some other command in unix?

Code:

 
%let h2009  = ext.hlc_sum0901 ext.hlc_sum0902 ext.hlc_sum0903 ext.hlc_sum0904 ext.hlc_sum0905

lowbyte · #2 (**permalink**) 06-30-2009

hey,

perhaps cat will help you?
cat file1 file2 file3 >> filex
cat filex file4 >> filex
cat filex file5 >> filex

cu
lowbyte

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