Rosetta Code

Execute a system command: Difference between revisions

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Execute a system command (view source)

Revision as of 23:24, 4 November 2010

37 bytes added ,  13 years ago
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→‎{{header|Tcl}}: reword explanatory text
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Line 746:
<lang tcl>set io [open "|ls" r]</lang>
 
would execute "ls" and pipe the result into the unitchannel whose name is put in the "io" variable. From there one could receive it either line by line like this:
 
<lang tcl>set nextline [gets $io]</lang>
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