Revision as of 23:50, 27 August 2009 (view source) rosettacode>Aks m (→‎{{header\|Ruby}}: remove surrounding blanks) ← Older edit		Revision as of 05:18, 28 August 2009 (view source) Tikkanz (talk \| contribs) (→‎{{header\|J}}: Array handling is built in) Newer edit →
Line 256: <lang J> mkdir =: 1!:5&<@boxopen NB. define verb to make a directory fwrite =: 1!:2 boxopen NB. define verb to write a file NB. create two directories: /docs and docs: mkdir ~~each~~ '/docs' ; 'docs' NB. create two empty files named /output.txt and output.txt '' & fwrite~~@< each~~ '/output.txt' ; 'output.txt' </lang>

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