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add 3 lectures for SFedU

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This commit is contained in:
Edward Emelianov
2021-11-11 20:44:40 +03:00
parent 5d6974b950
commit 0d8fbff1dd
238 changed files with 2746 additions and 0 deletions
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7
Komp_obr_SFedU/Materials4Pract/01/ex1 Executable file
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@@ -0,0 +1,7 @@
#!/bin/sh
if [ $# -ne 1 ]; then
echo "Usage: $0 LEN - get random number with length LEN"
exit 1
fi
cat /dev/urandom | tr -dc '0-9' | fold -w $1 | head -n 1