{"id":1718,"date":"2020-01-07T01:00:04","date_gmt":"2020-01-07T00:00:04","guid":{"rendered":"https:\/\/www.linuxboxen.dk\/?p=1718"},"modified":"2020-01-07T01:00:04","modified_gmt":"2020-01-07T00:00:04","slug":"for-kommanden-hvad-er-det","status":"publish","type":"post","link":"https:\/\/www.linuxboxen.dk\/?p=1718","title":{"rendered":"for kommanden hvad er det."},"content":{"rendered":"

for kommandoen er en bash kommando og ikke en os kommando.<\/p>\n

Jeg vil her pr\u00f8ve at forklare hvordan den virker.<\/p>\n

Men f\u00f8rst et eksempel.<\/p>\n

$ for file in *.h ; do echo $file; done<\/pre>\n
F\u00f8rst og fremmest bruges den p\u00e5 filer. Her viser den alle filer som er header c filer *.h. alle filer som har efternavnet .h bliver vist.<\/p>\n
$ for file in * ; do cp $file $file.bak; done<\/pre>\n
Her tager vi backup at alle filerne i det bibliotek vi st\u00e5r i, med samme navn+.bak.<\/p>\n
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for kommandoen er en bash kommando og ikke en os kommando. Jeg vil her pr\u00f8ve at forklare hvordan den virker. Men f\u00f8rst et eksempel. $ for file in *.h ; do echo $file; done F\u00f8rst og fremmest bruges den p\u00e5 filer. Her viser den alle filer som er header c filer *.h. alle filer som […]<\/p>\n
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