Smalltalk fileout conversion to simple text (fileout2txt)

Smalltalk fileout conversion to simple text (fileout2txt)

Working on some Smalltalk piece of code, the Pharo flavor, needed to put it into some report. Tried a code Fileout but on report insertion all sort o marks and signals show an ugly result. Because the code was several kilobytes long doing a HAND crafted reformat was not a choice then a file inspection gave me some clues. The most annoying part was that between classes a new page was inserted then inspecting the file with hexdump show me that a simple 0x0c character was the cause of this behaviour

# hd Fileout.st  
...
00004f10 6d 65 6e 74 53 74 61 6d 70 3a 20 27 3c 68 69 73 |mentStamp: ‘<his|
00004f20 74 6f 72 69 63 61 6c 3e 27 20 70 72 69 6f 72 3a |torical>’ prior:|
00004f30 20 30 21 0d 21 0d 0d 0c 0d 46 6f 74 6f 59 6f 70 | 0!.!….FotoYop|
00004f40 45 78 63 65 70 74 69 6f 6e 20 73 75 62 63 6c 61 |Exception subcla|
...

To get rid of it a simple cat Fileout.st | tr -d \014 was enough. We also get some exclamation marks that are annoying too but they were discarded by using sed

sed -i ‘s/!//gm’ Fileout.st  

Now is the comments turn. They are internal comments and timestamps to wipe them out. grep and sed came to the rescue cat Fileout.st | grep -v commentStamp: | sed ‘s/stamp: .*//’ Finally some dashed lines that seems to be used as separators arre also deleted

grep -v “\-\- \\ — “ Fileout.st  

The basic bits were exposed here but here is a fully functional script

#!/bin/bash
## ToDo perform conversion from inside Smalltalk ?


[[ -z $1 ]] && echo "File name missing" && exit -1

__fileIn=$1
__tmp=/tmp/$$
__fileWork=${__tmp}/`basename $1`
__fileOut=${__fileIn}.txt

mkdir -p ${__tmp}


cp $1  ${__fileWork}

## Mac to Unix conversion
mac2unix  ${__fileWork} 

##  Exclamtions signs out
sed -i 's/!//gm' ${__fileWork} 

## New pages and comments wiped out 
cat ${__fileWork} | tr -d \\014 | grep -v commentStamp: | sed 's/stamp: .*//' >  ${__tmp}/tmp1

## dashed lines  too, and left final result with same name, in same folder, as original
##  plus txt ending (old DOS name inheritance)
grep -v "\-\- \\--" ${__tmp}/tmp1 > ${__fileOut}

## Final cleanup
rm  -rf ${__tmp}

echo "Converted file located at " ${__fileOut}

Enjoy !