c shell 測試檔案/逐行讀取

測試檔案讀取 exist時$?==0
--
test -r 123.log
echo $? "yes"
endif


從檔案中逐行讀取 (檔案中是以空白作為分隔變數)
--
foreach line ( "`cat inv_wrf.txt`" )
echo $line
end