Linker fisico (Prova pratica 20-02-2014) - Revision history

Davide.quadrelli2 at 15:14, 17 May 2015

2015-05-17T15:14:17Z

Davide.quadrelli2: Blanked the page

2015-05-17T15:14:01Z

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Maldus at 20:24, 25 April 2015

2015-04-25T20:24:37Z

Maldus at 20:23, 25 April 2015

2015-04-25T20:23:57Z

Calvin42 at 07:28, 20 April 2015

2015-04-20T07:28:58Z

Calvin42: Created page with "Il comando che dovrete implementare come script shell o programma python e' linkdir. linkdir prende due directory come parametri. linkdir dira dirb e deve creare in dirb un ..."

2015-04-17T09:21:42Z

Created page with "Il comando che dovrete implementare come script shell o programma python e' linkdir. linkdir prende due directory come parametri. linkdir dira dirb e deve creare in dirb un ..."

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Il comando che dovrete implementare come script shell o programma python e' linkdir. linkdir prende due directory come parametri.

linkdir dira dirb

e deve creare in dirb un link fisico (non simbolico) a tutti i file regolari che sono in dira e non in dirb. Se un file regolare e'
presente con lo stesso nome sia in dira sia in dirb, nella directory dirb deve rim

<source lang="bash">
#!/usr/local/bin/bash

if [[ -d $1 ]]; then
if [[ -d $2 ]]; then
dir1=$1
dir2=$2
fi
fi

ris1=`find $dir1 -type f | sort | cut -d "/" -f 2-`
ris2=`find $dir2 -type f | sort | cut -d "/" -f 2-`

indir1=`comm -2 -3 <(echo "$ris1") <(echo "$ris2")`
common=`comm -1 -2 <(echo "$ris1") <(echo "$ris2")`

for nome in $indir1; do
`ln ${dir1}/${nome} $dir2`
done

for file in $common; do
if [[ "${dir1}${file}" -ot "${dir2}${file}" ]]; then
`ln ${dir1}/${file} $dir2`
fi
done

</source>

← Older revision		Revision as of 15:14, 17 May 2015
Line 1:		Line 1:
−	~~Il comando che dovrete implementare come script shell o programma python e' linkdir. linkdir prende due directory come parametri.~~

−	~~linkdir dira dirb~~
−
−	~~e deve creare in dirb un link fisico (non simbolico) a tutti i file regolari che sono in dira e non in dirb. Se un file regolare e'~~
−	~~presente con lo stesso nome sia in dira sia in dirb, nella directory dirb deve rim~~
−
−
−	~~===Soluzione di Claudio Kerov===~~
−	~~<source lang="bash">~~
−	~~#!/usr/local/bin/bash~~
−
−	~~if [[ -d $1 ]]; then~~
−	~~if [[ -d $2 ]]; then~~
−	~~dir1=$1~~
−	~~dir2=$2~~
−	fi
−	fi
−
−	~~ris1=`find $dir1 -type f \| sort \| cut -d "/" -f 2-`~~
−	~~ris2=`find $dir2 -type f \| sort \| cut -d "/" -f 2-`~~
−
−	~~indir1=`comm -2 -3 <(echo "$ris1") <(echo "$ris2")`~~
−	~~common=`comm -1 -2 <(echo "$ris1") <(echo "$ris2")`~~
−
−	~~for nome in $indir1; do~~
−	~~`ln ${dir1}/${nome} $dir2`~~
−	~~done~~
−
−	~~for file in $common; do~~
−	~~if [[ "${dir1}${file}" -ot "${dir2}${file}" ]]; then~~
−	~~`ln ${dir1}/${file} $dir2`~~
−	fi
−	~~done~~
−
−
−	~~</source>~~
−
−
−	~~===Soluzione di Maldus===~~
−	~~<source lang="python">~~
−	~~import os~~
−	~~import argparse~~
−
−	~~def main():~~
−	~~parser = argparse.ArgumentParser(description='linkdir')~~
−	~~parser.add_argument('dira', help='directory aggiornata')~~
−	~~parser.add_argument('dirb', help='directory da aggiornare')~~
−	~~args = parser.parse_args()~~
−
−	~~entrya = os.listdir(args.dira)~~
−	~~entryb = os.listdir(args.dirb)~~
−	~~for f in entrya:~~
−	~~if os.path.isfile(args.dira+'/'+f) and not f in entryb:~~
−	~~os.link( args.dira+'/'+f , args.dirb+'/'+f )~~
−	~~else:~~
−	~~timea = os.path.getmtime(args.dira+'/'+f)~~
−	~~timeb = os.path.getmtime(args.dirb+'/'+f)~~
−	~~if timea > timeb:~~
−	~~os.link( args.dira+'/'+f , args.dirb+'/'+f )~~
−
−
−	~~if __name__ == '__main__':~~
−	~~main()~~
−	~~</source>~~

@@ Line 38: / Line 38: @@
-===Soluzione di Claudio Kerov===
+===Soluzione di Maldus===
 <source lang="python">
 import os
 import argparse

← Older revision		Revision as of 20:23, 25 April 2015
Line 35:		Line 35:


		+	</source>
		+
		+
		+	===Soluzione di Claudio Kerov===
		+	<source lang="python">
		+	import os.path
		+	import os
		+	import argparse
		+
		+	def main():
		+	parser = argparse.ArgumentParser(description='linkdir')
		+	parser.add_argument('dira', help='directory aggiornata')
		+	parser.add_argument('dirb', help='directory da aggiornare')
		+	args = parser.parse_args()
		+
		+	entrya = os.listdir(args.dira)
		+	entryb = os.listdir(args.dirb)
		+	for f in entrya:
		+	if os.path.isfile(args.dira+'/'+f) and not f in entryb:
		+	os.link( args.dira+'/'+f , args.dirb+'/'+f )
		+	else:
		+	timea = os.path.getmtime(args.dira+'/'+f)
		+	timeb = os.path.getmtime(args.dirb+'/'+f)
		+	if timea > timeb:
		+	os.link( args.dira+'/'+f , args.dirb+'/'+f )
		+
		+
		+	if __name__ == '__main__':
		+	main()
	</source>		</source>

@@ Line 6: / Line 6: @@
 presente con lo stesso nome sia in dira sia in dirb, nella directory dirb deve rim
 <source lang="bash">
 #!/usr/local/bin/bash