Jan Kończak

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~~Zadanie.#~~
<html><pre>
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> myFunction(){ echo &quot;Hello world!&quot;; }
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> myFunction
Hello world!
</pre></html>

~~Zadanie.#~~
<html><pre>
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> repeatText(){ for I in $(seq $1); do echo &quot;$2&quot;; done; }
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> repeatText 3 &quot;Example text.&quot;
Example text.
Example text.
Example text.
</pre></html>

~~Zadanie.#~~
<html><pre>
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> makeAPrivateFile()(umask 077; [ -e &quot;$1&quot; ] || touch &quot;$1&quot;)
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ls -la file file2
ls: nie ma dostępu do &apos;file2&apos;: Nie ma takiego pliku ani katalogu
-rw-r--r-- 1 so users 0 05-14 13:45 file
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> makeAPrivateFile file
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> makeAPrivateFile file2
<span style="font-weight:bold;color:#00ff00;">user&#64;host</span><span style="font-weight:bold;color:#5c5cff;"> ~ $</span> ls -la file file2
-rw-r--r-- 1 so users 0 05-14 13:45 file
-rw------- 1 so users 0 06-04 12:24 file2
</pre></html>

~~Zadanie.#~~
<code bash>
myTree(){
    [ -e "$1" ] || return
    echo "$2${1##*/}"
    [ -L "$1" ] && return
    for S in "$1"/*
    do
        myTree "$S" "$2  "
    done
}
</code>

<code bash>
myTree(){
  ls -A "$1" 2>/dev/null | while read F
    do
      echo "$2$F"
      [ ! -L "$1/$F" -a -d "$1/$F" ] && myTree "$1/$F" "  $2"
    done
}
</code>

~~Zadanie.#~~
<code bash>
factorial(){
  if [ "$1" -eq 1 ]
  then
    echo 1;
  else
    echo $(( "$1" * $(factorial $(("$1" - 1)) ) ))
  fi
}
</code>


~~Zadanie.#~~
<code bash>
#!/bin/sh
trap "echo \"Otrzymano sygnał INT\"" INT
sleep 10s
echo "Gotowe"
</code>

~~Zadanie.#~~
<code bash>
#!/bin/sh
TMPFILE="$(mktemp)"
echo "Plik tymczasowy: $TMPFILE"
trap "echo \"Usuwam plik tymczasowy\"; rm \"$TMPFILE\"" EXIT
sleep 10s
echo "Gotowe"
</code>

~~Zadanie.#11~~
<code bash>
yes | rm -i plik_?
</code>

~~Zadanie.#14~~
<code bash>
seq -w 999 | xargs mkdir
</code>

~~Zadanie.#~~
<code bash>
locate '/usr/share/*.pdf' | xargs md5sum
</code>
<code bash>
locate '/usr/share/*.pdf' | while read F; do md5sum "$F"; done
</code>

~~Zadanie.#~~
<code bash>
grep -lR 'typedef signed char' /usr/include | xargs -I SRC cp -v SRC /tmp
</code>


~~META:
language = pl
~~
Jan Kończak

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