realeroberto

# the order of the two statements is crucial (of course)

find \( -path ./.git -prune -false -o -executable \) -a -type f -exec git update-index --chmod=-x {} \;

find \( -path ./.git -prune -false -o -executable \) -a -type f -exec chmod -x \{} \;

realeroberto

#!/bin/sh

# Download summaries of all Guardian articles for a given keyword

TAG=${1:-covid}
APIKEY=test
APIROOT=https://content.guardianapis.com


# LOOP 1: get all tags containing $TAG

realeroberto

#!/bin/sh

# pnrr2wordcloud
#
# Generates a wordcloud from the most recent version of the Italian National
# recovery and resilience plan (Piano Nazionale di Ripresa e Resilienza - PNRR)
#
# Author: Roberto Reale <roberto@reale.me>
# Last updated: 2021-02-11

realeroberto

#!/usr/bin/tclsh

#
# approximate PI with the aid of Wallis' product
#

proc wallis {{n 1000000}} {
    set value 1.0
    set i 1

realeroberto

#!/usr/bin/tclsh

# we need Tcl 8.5 for lrepeat to be defined
package require Tcl 8.5

#
# recursively calculate Chebyshev polynomials
#
#   (see http://en.wikipedia.org/wiki/Chebyshev_polynomials)
#

realeroberto

#!/usr/bin/tclsh

#
# approximate e using the power series expansion
#

proc approx_e {{n 20}} {
    set value 1
        set factorial 1
        set i 1

realeroberto

Keybase proof

I hereby claim:

• I am reale on github.
• I am reale (https://keybase.io/reale) on keybase.
• I have a public key ASC7prRw88qck0mao3uzp2TtsM1ZxhzzIMwGA62Z1s7llAo

To claim this, I am signing this object:

realeroberto

BEGIN
   FOR cur_rec IN (SELECT object_name, object_type
                     FROM user_objects
                    WHERE object_type IN
                             ('TABLE',
                              'VIEW',
                              'PACKAGE',
                              'PROCEDURE',
                              'FUNCTION',
                              'SEQUENCE',

realeroberto

#!/bin/sh

# create a tarball from inside a folder
dirname=$(cat PROJECT)-$(cat VERSION)
tarball=${dirname}.tar.gz

# avoid tar's error message ``file changed as we read it''
touch "$tarball"

tar cfz "$tarball"                     \

realeroberto

#!/bin/bash

# Convert a file mode string (e.g., -rw-rw-r--) into the octal value

function perm2octal()
{
  local perm=${1:1} # remove first char (the file type)

  res=$(echo "$perm" | sed 's/[^-]/1/g; s/-/0/g')
  res=$(echo "ibase=2; obase=8; $res" | bc)