Tcl

Set Entry Filepath (in output Zip) when Zipping

Demonstrates how to set the path for the file entry within the .zip to something different than the path in the filesystem. Tcl

load ./chilkat.dll

set success 0

# This requires the Chilkat Zip API to have been previously unlocked.
# See Unlock Chilkat Zip for sample code.

set zip [new_CkZip]

set success [CkZip_NewZip $zip "qa_output/zipA.zip"]

# When an absolute filepath is passed to AddFile, the path within the .zip
# will be one of two values:  (1) just the filename part if saveExtraPath is 0,
# or (2) the full absolute path, but made relative, if saveExtraPath is 1.
# (For example, "c:/ck2000/appData/UnitTest/qa_data/hamlet.xml" made relative is 
# "ck2000/appData/UnitTest/qa_data/hamlet.xml")
set saveExtraPath 0
set success [CkZip_AddFile $zip "c:/ck2000/appData/UnitTest/qa_data/hamlet.xml" $saveExtraPath]
if {$success == 0} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    exit
}

# When a relative path is passed to AddFile, then saveExtraPath does not apply.
# For example, assume our current working directory is "c:/ck2000/appData/UnitTest".  The following
# call to AddFile creates an entry with the filepath "qa_data/hamlet.xml".
set success [CkZip_AddFile $zip "qa_data/hamlet.xml" $saveExtraPath]
if {$success == 0} then {
    puts [CkZip_lastErrorText $zip]
    delete_CkZip $zip
    exit
}

# Examine the entries
set entry [new_CkZipEntry]

set numEntries [CkZip_get_NumEntries $zip]
set i 0
while {$i < $numEntries} {
    CkZip_EntryAt $zip $i $entry
    puts "$i: [CkZipEntry_fileName $entry]"
    set i [expr $i + 1]
}

# The output so far is:

# 	0: hamlet.xml
# 	1: qa_data/hamlet.xml

# If we write the .zip as-is, then the zip will have two entries
# with the filepaths as shown above.

# This writes "qa_output/zipA.zip"
set success [CkZip_WriteZip $zip]

# Now change the entry filepaths to whatever is desired.
set success [CkZip_EntryOf $zip "hamlet.xml" $entry]
if {$success == 0} then {
    puts "entry not found"
    delete_CkZip $zip
    delete_CkZipEntry $entry
    exit
}

CkZipEntry_put_FileName $entry "Shakespeare/Claudius1.xml"

set success [CkZip_EntryOf $zip "qa_data/hamlet.xml" $entry]
if {$success == 0} then {
    puts "entry not found"
    delete_CkZip $zip
    delete_CkZipEntry $entry
    exit
}

CkZipEntry_put_FileName $entry "Shakespeare/Claudius2.xml"

# Change the name of the .zip to be written and write again:
CkZip_put_FileName $zip "qa_output/zipB.zip"
set success [CkZip_WriteZipAndClose $zip]
if {$success != 1} then {
    puts [CkZip_lastErrorText $zip]
} else {
    puts "Zip created!"
}

# Examine both zipA.zip and zipB.zip using 7zip (or another tool) to see the differences.

delete_CkZip $zip
delete_CkZipEntry $entry