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20 wrz 2018 · for: for NAME [in WORDS ... ] ; do COMMANDS; done. Execute commands for each member in a list. The 'for' loop executes a sequence of commands for each member in a. list of items. If 'in WORDS ...;' is not present, then 'in "$@"' is. assumed.
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The 3>&1 in your command line will create a new file descriptor and redirect it to 1 which is STDOUT. Now 1>&2 will redirect the file descriptor 1 to STDERR and 2>&3 will redirect file descriptor 2 to 3 which is STDOUT .
14 cze 2013 · You can use POSIX arithmetic expansion for integer arithmetic echo "$((...))": only ksh93 (directly) and zsh loading library mathfunc here: (zsh need to load zmodload zsh/mathfunc to get functions like atan ). Interactively with zsh:
$@ is the array of positional parameters ($1, $2...). But when used with : , $0 is also included. So ${@:1} is the same as $@ , not ${@:0} like for other arrays.
bluff - tłumaczenie na polski oraz definicja. Co znaczy i jak powiedzieć "bluff" po polsku? - zwieść, wprowadzić w błąd, zmylić; blaga, blef; skarpa, urwisko; bezpośredni (osoba, sposób bycia)
Here are some simple examples of logical operations. The first instance sets the variable $X to 1, then tests to see if $X is equal to 1. In the second instance, X is set to 0, so the comparison is not true. pbmac@pbmac-server $ X=1 ; if [ $X -eq 1 ] ; then echo "X equals 1" ; else echo "X does not equal 1" ; fi.
